Core Data from the Deep Sea Drilling Project

Leg : 86    Top/Bot Interval(mm):  55 / 560  Sample Age : LOWER PLIOCENE
Hole: 581   Depth Top of Core(m):     0.00
Core:   1   Depth Top Sample(m) :     0.56
Sect:  1    No. Observed Fossils:    14      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join:       IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS CURVATULUS (RARE/)
  ACTINOCYCLUS OCHOTENSIS (TRACE/)
  BACTERIOSIRA FRAGILIS (TRACE/)
  CHAETOCEROS FURCELLATUS (TRACE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS OCCULUS-IRIDIS (TRACE/)
  COSCINODISCUS STELLARIS (TRACE/)
  COSCINODISCUS TABULARIS (RARE/)
  CYMBELLA SINUATA (TRACE/)
  DELPHINEIS SURIRELLOIDES (TRACE/)
  DENTICULOPSIS SEMINAE (ABUNDANT/)
  NITZSCHIA BRAARUDII (TRACE/)
  NITZSCHIA GRUNOWII (TRACE/)



Leg : 86    Top/Bot Interval(mm):  550/ 560  Sample Age : LOWER PLIOCENE
Hole: 581   Depth Top of Core(m):     0.00
Core:   1   Depth Top Sample(m) :     0.56
Sect:  1    No. Observed Fossils:     8      Group Presv: GOOD

Date: 11/85 Investigator(s): KOIZUMI
Join:       IR Volume/Page : 86/ 280

Fossils (Abundance/Preservation):
================================
  RHIZOSOLENIA HEBETATA (RARE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  STEPHANOPYXIS TURRIS (TRACE/)
  THALASSIOSIRA EXCENTRICA (TRACE/)
  THALASSIOSIRA GRAVIDA (RARE/)
  THALASSIOSIRA OESTRUPII (FEW/)
  THALASSIOSIRA TRIFULTA (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (TRACE/)



Leg : 86    Top/Bot Interval(mm):     /      Sample Age : LOWER PLIOCENE
Hole: 581   Depth Top of Core(m):     0.00
Core:   1   Depth Top Sample(m) :     0.94
Sect: CC    No. Observed Fossils:    24      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS CURVATULUS (RARE/)
  ACTINOCYCLUS EHRENBERGII (TRACE/)
  ACTINOCYCLUS OCHOTENSIS (TRACE/)
  BACTERIOSIRA FRAGILIS (TRACE/)
  CHAETOCEROS FURCELLATUS (TRACE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS STELLARIS (TRACE/)
  COSCINODISCUS TABULARIS (RARE/)
  DENTICULOPSIS SEMINAE (ABUNDANT/)
  NITZSCHIA CYLINDRICA (TRACE/)
  NITZSCHIA GRUNOWII (RARE/)
  PARALIA SULCATA (TRACE/)
  PSEUDOEUNOTIA DOLIOLUS (TRACE/)
  RHIZOSOLENIA HEBETATA (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS SP. (TRACE/)
  STEPHANOPYXIS TURRIS (TRACE/)
  THALASSIOSIRA GRAVIDA (RARE/)
  THALASSIOSIRA HYALINA (TRACE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIOSIRA NORDENSKIOELDII (TRACE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIOSIRA TRIFULTA (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)



Leg : 86    Top/Bot Interval(mm): 134 /135   Sample Age : LOWER PLIOCENE
Hole: 581   Depth Top of Core(m):   181.50
Core:   2   Depth Top Sample(m) :   182.85
Sect:  1    No. Observed Fossils:    19      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS CURVATULUS (TRACE/)
  BOGOROVIA TATSUNOKUCHIENSIS (Q) (TRACE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS TABULARIS (RARE/)
  COSCINODISCUS VETUSTISSIMUS (TRACE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (ABUNDANT/)
  HEMIDISCUS CUNEIFORMIS (COMMON/)
  NITZSCHIA GRUNOWII (TRACE/)
  NITZSCHIA MARINA (TRACE/)
  NITZSCHIA REINHOLDII (TRACE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  STEPHANOPYXIS TURRIS (TRACE/)
  THALASSIOSIRA EXCENTRICA (TRACE/)
  THALASSIOSIRA JACKSONII (RARE/)
  THALASSIOSIRA LACUSTRIS (TRACE/)
  THALASSIOSIRA LEPTOPUS (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)



Leg : 86    Top/Bot Interval(mm):  54 / 55   Sample Age : LOWER PLEISTOCENE
Hole: 581   Depth Top of Core(m):   181.50
Core:   2   Depth Top Sample(m) :   183.55
Sect:  2    No. Observed Fossils:    19      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS CURVATULUS (TRACE/)
  ASTEROMPHALUS DARWINII (TRACE/)
  BOGOROVIA TATSUNOKUCHIENSIS (Q) (TRACE/)
  COSCINODISCUS MARGINATUS (TRACE/)
  COSCINODISCUS NODULIFER (RARE/)
  COSCINODISCUS STELLARIS (TRACE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (ABUNDANT/)
  HEMIDISCUS CUNEIFORMIS (FEW/)
  NITZSCHIA FOSSILIS (TRACE/)
  RHIZOSOLENIA BARBOI (TRACE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  ROUXIA YABEI (ABUNDANT/)
  STEPHANOPYXIS SP. (RARE/)
  THALASSIOSIRA BURCKLIANA (RARE/)
  THALASSIOSIRA CONVEXA (TRACE/)
  THALASSIOSIRA EXCENTRICA (TRACE/)
  THALASSIOSIRA MIOCENICA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (TRACE/)
  THALASSIONEMA SCHRADERI (TRACE/)



Leg : 86    Top/Bot Interval(mm): 134 /135   Sample Age : LOWER PLEISTOCENE
Hole: 581   Depth Top of Core(m):   181.50
Core:   2   Depth Top Sample(m) :   185.85
Sect:  3    No. Observed Fossils:    19      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS CURVATULUS (TRACE/)
  ACTINOCYCLUS EHRENBERGII (TRACE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ASTEROMPHALUS DARWINII (TRACE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS NODULIFER (RARE/)
  COSMIODISCUS INTERSECTUS (TRACE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (ABUNDANT/)
  HEMIDISCUS CUNEIFORMIS (RARE/)
  RHIZOSOLENIA BARBOI (TRACE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA JACKSONII (TRACE/)
  THALASSIOSIRA LEPTOPUS (TRACE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIOSIRA OESTRUPII (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (ABUNDANT/)
  THALASSIONEMA NITZSCHIOIDES (Q) (TRACE/)



Leg : 86    Top/Bot Interval(mm): 134 /135   Sample Age : LOWER PLEISTOCENE
Hole: 581   Depth Top of Core(m):   181.50
Core:   2   Depth Top Sample(m) :   187.35
Sect:  4    No. Observed Fossils:    29      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS CURVATULUS (RARE/)
  ACTINOCYCLUS EHRENBERGII (RARE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ACTINOCYCLUS OCHOTENSIS (TRACE/)
  BOGOROVIA TATSUNOKUCHIENSIS (Q) (TRACE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS NODULIFER (COMMON/)
  COSCINODISCUS RADIATUS (TRACE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (COMMON/)
  HEMIDISCUS CUNEIFORMIS (TRACE/)
  NITZSCHIA FOSSILIS (RARE/)
  NITZSCHIA GRUNOWII (TRACE/)
  NITZSCHIA JOUSEAE (TRACE/)
  NITZSCHIA MARINA (RARE/)
  NITZSCHIA REINHOLDII (FEW/)
  RHIZOSOLENIA BARBOI (TRACE/)
  STEPHANOPYXIS TURRIS (TRACE/)
  THALASSIOSIRA BOREALIS (TRACE/)
  THALASSIOSIRA EXCENTRICA (RARE/)
  THALASSIOSIRA JACKSONII (RARE/)
  THALASSIOSIRA LEPTOPUS (TRACE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIOSIRA NATIVA (TRACE/)
  THALASSIOSIRA NODULOLINEATA (TRACE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIOSIRA TRIFULTA (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)



Leg : 86    Top/Bot Interval(mm): 134 /135   Sample Age : LOWER PLEISTOCENE
Hole: 581   Depth Top of Core(m):   181.50
Core:   2   Depth Top Sample(m) :   188.85
Sect:  5    No. Observed Fossils:    19      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS EHRENBERGII (TRACE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS NODULIFER (TRACE/)
  COSCINODISCUS SYMBOLOPHORUS (TRACE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (ABUNDANT/)
  HEMIDISCUS CUNEIFORMIS (COMMON/)
  NITZSCHIA FOSSILIS (TRACE/)
  NITZSCHIA JOUSEAE (TRACE/)
  NITZSCHIA MARINA (TRACE/)
  NITZSCHIA REINHOLDII (FEW/)
  THALASSIOSIRA SP. (TRACE/)
  THALASSIOSIRA EXCENTRICA (RARE/)
  THALASSIOSIRA JACKSONII (TRACE/)
  THALASSIOSIRA NATIVA (FEW/)
  THALASSIOSIRA OESTRUPII (FEW/)
  THALASSIOSIRA TRIFULTA (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)



Leg : 86    Top/Bot Interval(mm): 134 /135   Sample Age : LOWER PLEISTOCENE
Hole: 581   Depth Top of Core(m):   181.50
Core:   2   Depth Top Sample(m) :   190.35
Sect:  6    No. Observed Fossils:    22      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS CURVATULUS (TRACE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS NODULIFER (FEW/)
  COSCINODISCUS OCCULUS-IRIDIS (TRACE/)
  COSCINODISCUS STELLARIS (TRACE/)
  COSCINODISCUS SYMBOLOPHORUS (TRACE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (COMMON/)
  HEMIDISCUS CUNEIFORMIS (RARE/)
  NITZSCHIA FOSSILIS (FEW/)
  NITZSCHIA JOUSEAE (TRACE/)
  NITZSCHIA MARINA (TRACE/)
  NITZSCHIA REINHOLDII (FEW/)
  RHIZOSOLENIA BARBOI (TRACE/)
  STEPHANOPYXIS SP. (TRACE/)
  STEPHANOPYXIS TURRIS (TRACE/)
  THALASSIOSIRA SP. (TRACE/)
  THALASSIOSIRA EXCENTRICA (TRACE/)
  THALASSIOSIRA JACKSONII (TRACE/)
  THALASSIOSIRA NATIVA (FEW/)
  THALASSIOSIRA OESTRUPII (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (TRACE/)



Leg : 86    Top/Bot Interval(mm):  25 / 26   Sample Age : LOWER PLEISTOCENE
Hole: 581   Depth Top of Core(m):   181.50
Core:   2   Depth Top Sample(m) :   190.76
Sect:  7    No. Observed Fossils:    25      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS CURVATULUS (FEW/)
  ACTINOCYCLUS EHRENBERGII (TRACE/)
  BOGOROVIA TATSUNOKUCHIENSIS (Q) (TRACE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS NODULIFER (TRACE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (FEW/)
  HEMIDISCUS CUNEIFORMIS (FEW/)
  NITZSCHIA FOSSILIS (RARE/)
  NITZSCHIA GRUNOWII (TRACE/)
  NITZSCHIA JOUSEAE (TRACE/)
  NITZSCHIA REINHOLDII (TRACE/)
  RHIZOSOLENIA BARBOI (TRACE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  STEPHANOPYXIS SP. (TRACE/)
  STEPHANOPYXIS TURRIS (TRACE/)
  THALASSIOSIRA SP. (TRACE/)
  THALASSIOSIRA EXCENTRICA (FEW/)
  THALASSIOSIRA JACKSONII (TRACE/)
  THALASSIOSIRA LEPTOPUS (RARE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIOSIRA NATIVA (FEW/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)



Leg : 86    Top/Bot Interval(mm):  90 / 91   Sample Age : LOWER PLIOCENE
Hole: 581   Depth Top of Core(m):   191.00
Core:   3   Depth Top Sample(m) :   191.91
Sect:  1    No. Observed Fossils:    25      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS CURVATULUS (TRACE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ASTEROMPHALUS ROBUSTUS (TRACE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS NODULIFER (TRACE/)
  COSCINODISCUS OCCULUS-IRIDIS (TRACE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (COMMON/)
  HEMIDISCUS CUNEIFORMIS (RARE/)
  NITZSCHIA GRUNOWII (TRACE/)
  NITZSCHIA MARINA (TRACE/)
  NITZSCHIA REINHOLDII (RARE/)
  RHABDONEMA JAPONICUM (RARE/)
  RHIZOSOLENIA SP. (TRACE/)
  RHIZOSOLENIA BARBOI (TRACE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA SP. (TRACE/)
  THALASSIOSIRA EXCENTRICA (RARE/)
  THALASSIOSIRA JACKSONII (TRACE/)
  THALASSIOSIRA LEPTOPUS (RARE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIOSIRA NATIVA (FEW/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)



Leg : 86    Top/Bot Interval(mm):  90 / 91   Sample Age : LOWER PLIOCENE
Hole: 581   Depth Top of Core(m):   191.00
Core:   3   Depth Top Sample(m) :   193.41
Sect:  2    No. Observed Fossils:    22      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  BOGOROVIA TATSUNOKUCHIENSIS (Q) (TRACE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS NODULIFER (FEW/)
  COSCINODISCUS STELLARIS (TRACE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (FEW/)
  HEMIDISCUS CUNEIFORMIS (COMMON/)
  NITZSCHIA FOSSILIS (TRACE/)
  NITZSCHIA GRUNOWII (TRACE/)
  NITZSCHIA MARINA (TRACE/)
  NITZSCHIA REINHOLDII (FEW/)
  RHIZOSOLENIA SP. (TRACE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (TRACE/)
  THALASSIOSIRA EXCENTRICA (RARE/)
  THALASSIOSIRA GRAVIDA (TRACE/)
  THALASSIOSIRA JACKSONII (TRACE/)
  THALASSIOSIRA LEPTOPUS (FEW/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIOSIRA NATIVA (RARE/)
  THALASSIOSIRA NODULOLINEATA (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)



Leg : 86    Top/Bot Interval(mm):  90 / 91   Sample Age : LOWER PLIOCENE
Hole: 581   Depth Top of Core(m):   191.00
Core:   3   Depth Top Sample(m) :   194.91
Sect:  3    No. Observed Fossils:    18      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS CURVATULUS (TRACE/)
  ASTEROLAMPRA GREVILLEI (TRACE/)
  BOGOROVIA TATSUNOKUCHIENSIS (Q) (TRACE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS NODULIFER (COMMON/)
  DENTICULOPSIS KAMTSCHATICA (Q) (COMMON/)
  HEMIDISCUS CUNEIFORMIS (FEW/)
  NITZSCHIA GRUNOWII (TRACE/)
  NITZSCHIA MARINA (TRACE/)
  NITZSCHIA REINHOLDII (COMMON/)
  RHIZOSOLENIA BARBOI (TRACE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  THALASSIOSIRA EXCENTRICA (RARE/)
  THALASSIOSIRA JACKSONII (TRACE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIOSIRA NATIVA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)



Leg : 86    Top/Bot Interval(mm):  90 / 91   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   191.00
Core:   3   Depth Top Sample(m) :   196.41
Sect:  4    No. Observed Fossils:    24      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS CURVATULUS (TRACE/)
  ACTINOCYCLUS EHRENBERGII (TRACE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS NODULIFER (FEW/)
  DENTICULOPSIS KAMTSCHATICA (Q) (RARE/)
  HEMIDISCUS CUNEIFORMIS (COMMON/)
  NITZSCHIA FOSSILIS (RARE/)
  NITZSCHIA GRUNOWII (RARE/)
  NITZSCHIA REINHOLDII (RARE/)
  NITZSCHIA ROLANDII (RARE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  ROUXIA CALIFORNICA (FEW/)
  ROUXIA NAVICULOIDES (TRACE/)
  STEPHANOPYXIS TURRIS (TRACE/)
  THALASSIOSIRA SP. (TRACE/)
  THALASSIOSIRA EXCENTRICA (RARE/)
  THALASSIOSIRA JACKSONII (TRACE/)
  THALASSIOSIRA LEPTOPUS (RARE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIOSIRA NATIVA (FEW/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (TRACE/)



Leg : 86    Top/Bot Interval(mm):  90 / 91   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   191.00
Core:   3   Depth Top Sample(m) :   197.91
Sect:  5    No. Observed Fossils:    23      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (RARE/)
  ACTINOCYCLUS CURVATULUS (TRACE/)
  ACTINOCYCLUS EHRENBERGII (TRACE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ASTEROLAMPRA ACUTILOBA (RARE/)
  COCCONEIS COSTATA (TRACE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS NODULIFER (RARE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (TRACE/)
  HEMIDISCUS CUNEIFORMIS (FEW/)
  NITZSCHIA FOSSILIS (TRACE/)
  NITZSCHIA GRUNOWII (TRACE/)
  NITZSCHIA REINHOLDII (RARE/)
  NITZSCHIA ROLANDII (RARE/)
  RHIZOSOLENIA HEBETATA (TRACE/)
  ROUXIA CALIFORNICA (FEW/)
  STEPHANOPYXIS TURRIS (TRACE/)
  THALASSIOSIRA SP. (TRACE/)
  THALASSIOSIRA EXCENTRICA (TRACE/)
  THALASSIOSIRA LEPTOPUS (FEW/)
  THALASSIOSIRA NATIVA (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (TRACE/)



Leg : 86    Top/Bot Interval(mm):  75 / 76   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   191.00
Core:   3   Depth Top Sample(m) :   199.26
Sect:  6    No. Observed Fossils:    16      Group Presv: GOOD

Date: 11/85 Investigator(s): KOIZUMI
Join:       IR Volume/Page : 86/ 280

Fossils (Abundance/Preservation):
================================
  NITZSCHIA REINHOLDII (COMMON/)
  NITZSCHIA SUIKOENSIS (RARE/)
  RHIZOSOLENIA HEBETATA (TRACE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  ROUXIA CALIFORNICA (COMMON/)
  ROUXIA NAVICULOIDES (TRACE/)
  ROUXIA YABEI (TRACE/)
  STEPHANOPYXIS TURRIS (TRACE/)
  THALASSIOSIRA EXCENTRICA (RARE/)
  THALASSIOSIRA JACKSONII (RARE/)
  THALASSIOSIRA LEPTOPUS (TRACE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIOSIRA MIOCENICA (TRACE/)
  THALASSIOSIRA NATIVA (FEW/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (TRACE/)



Leg : 86    Top/Bot Interval(mm):     /      Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   191.00
Core:   3   Depth Top Sample(m) :   199.42
Sect: CC    No. Observed Fossils:    28      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (RARE/)
  ACTINOCYCLUS EHRENBERGII (TRACE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ASTEROLAMPRA ACUTILOBA (TRACE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS NODULIFER (RARE/)
  COSCINODISCUS OCCULUS-IRIDIS (TRACE/)
  COSCINODISCUS SYMBOLOPHORUS (TRACE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (FEW/)
  HEMIDISCUS CUNEIFORMIS (FEW/)
  NITZSCHIA GRUNOWII (TRACE/)
  NITZSCHIA REINHOLDII (COMMON/)
  NITZSCHIA ROLANDII (RARE/)
  NITZSCHIA SUIKOENSIS (RARE/)
  RHIZOSOLENIA HEBETATA (RARE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  ROUXIA CALIFORNICA (RARE/)
  ROUXIA YABEI (RARE/)
  STEPHANOPYXIS TURRIS (TRACE/)
  THALASSIOSIRA EXCENTRICA (TRACE/)
  THALASSIOSIRA JACKSONII (TRACE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIOSIRA MIOCENICA (TRACE/)
  THALASSIOSIRA NATIVA (RARE/)
  THALASSIOSIRA NIDULUS (TRACE/)
  THALASSIOSIRA OPPOSITA (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (FEW/)



Leg : 86    Top/Bot Interval(mm):  98 / 99   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   200.50
Core:   4   Depth Top Sample(m) :   201.49
Sect:  1    No. Observed Fossils:    24      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS CURVATULUS (TRACE/)
  ACTINOCYCLUS EHRENBERGII (TRACE/)
  ACTINOCYCLUS ELLIPTICUS (FEW/)
  ASTEROLAMPRA ACUTILOBA (TRACE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS NODULIFER (RARE/)
  COSCINODISCUS OCCULUS-IRIDIS (RARE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (COMMON/)
  HEMIDISCUS CUNEIFORMIS (RARE/)
  NITZSCHIA REINHOLDII (RARE/)
  NITZSCHIA ROLANDII (TRACE/)
  NITZSCHIA SUIKOENSIS (TRACE/)
  RHIZOSOLENIA BARBOI (TRACE/)
  RHIZOSOLENIA HEBETATA (TRACE/)
  ROUXIA CALIFORNICA (FEW/)
  STEPHANOPYXIS SP. (TRACE/)
  STEPHANOPYXIS TURRIS (TRACE/)
  THALASSIOSIRA CONVEXA (TRACE/)
  THALASSIOSIRA EXCENTRICA (TRACE/)
  THALASSIOSIRA JACKSONII (RARE/)
  THALASSIOSIRA LEPTOPUS (TRACE/)
  THALASSIOSIRA MIOCENICA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (FEW/)



Leg : 86    Top/Bot Interval(mm):  98 / 99   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   200.50
Core:   4   Depth Top Sample(m) :   202.99
Sect:  2    No. Observed Fossils:    29      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ASTEROLAMPRA ACUTILOBA (TRACE/)
  ASTEROLAMPRA MARYLANDICA (TRACE/)
  ASTEROMPHALUS ROBUSTUS (TRACE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS NODULIFER (TRACE/)
  COSCINODISCUS OCCULUS-IRIDIS (TRACE/)
  COSCINODISCUS SYMBOLOPHORUS (TRACE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (COMMON/)
  NITZSCHIA MIOCENICA (RARE/)
  NITZSCHIA REINHOLDII (RARE/)
  NITZSCHIA ROLANDII (RARE/)
  NITZSCHIA SUIKOENSIS (RARE/)
  RHIZOSOLENIA BARBOI (TRACE/)
  RHIZOSOLENIA HEBETATA (TRACE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  ROUXIA CALIFORNICA (FEW/)
  ROUXIA YABEI (TRACE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA ANTIQUA (TRACE/)
  THALASSIOSIRA BOREALIS (RARE/)
  THALASSIOSIRA EXCENTRICA (TRACE/)
  THALASSIOSIRA JACKSONII (TRACE/)
  THALASSIOSIRA LEPTOPUS (TRACE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIOSIRA MIOCENICA (TRACE/)
  THALASSIOSIRA OPPOSITA (TRACE/)
  THALASSIOSIRA PRAECONVEXA (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (TRACE/)



Leg : 86    Top/Bot Interval(mm):  98 / 99   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   200.50
Core:   4   Depth Top Sample(m) :   204.49
Sect:  3    No. Observed Fossils:    29      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS CURVATULUS (TRACE/)
  ACTINOCYCLUS ELLIPTICUS (RARE/)
  ASTEROLAMPRA ACUTILOBA (TRACE/)
  ASTEROMPHALUS ROBUSTUS (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS NODULIFER (RARE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (FEW/)
  HEMIDISCUS CUNEIFORMIS (TRACE/)
  MEDIARIA SPLENDIDA (TRACE/)
  NITZSCHIA GRUNOWII (TRACE/)
  NITZSCHIA MARINA (TRACE/)
  NITZSCHIA MIOCENICA (COMMON/)
  NITZSCHIA REINHOLDII (RARE/)
  NITZSCHIA ROLANDII (RARE/)
  NITZSCHIA SUIKOENSIS (COMMON/)
  RHIZOSOLENIA BARBOI (RARE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  ROUXIA CALIFORNICA (RARE/)
  ROUXIA YABEI (TRACE/)
  STEPHANOPYXIS TURRIS (TRACE/)
  THALASSIOSIRA BOREALIS (TRACE/)
  THALASSIOSIRA CONVEXA (TRACE/)
  THALASSIOSIRA EXCENTRICA (TRACE/)
  THALASSIOSIRA LEPTOPUS (TRACE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIOSIRA MIOCENICA (RARE/)
  THALASSIOSIRA PRAECONVEXA (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (FEW/)



Leg : 86    Top/Bot Interval(mm):  98 / 99   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   200.50
Core:   4   Depth Top Sample(m) :   205.99
Sect:  4    No. Observed Fossils:    25      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS CURVATULUS (TRACE/)
  ACTINOCYCLUS ELLIPTICUS (RARE/)
  ASTEROMPHALUS ROBUSTUS (TRACE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS NODULIFER (COMMON/)
  COSCINODISCUS VETUSTISSIMUS (TRACE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (RARE/)
  HEMIDISCUS CUNEIFORMIS (RARE/)
  NITZSCHIA REINHOLDII (TRACE/)
  NITZSCHIA ROLANDII (TRACE/)
  RHIZOSOLENIA HEBETATA (TRACE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  ROUXIA CALIFORNICA (RARE/)
  ROUXIA YABEI (TRACE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA BURCKLIANA (TRACE/)
  THALASSIOSIRA CONVEXA (RARE/)
  THALASSIOSIRA JACKSONII (TRACE/)
  THALASSIOSIRA LEPTOPUS (TRACE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIOSIRA MIOCENICA (TRACE/)
  THALASSIOSIRA PRAECONVEXA (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (TRACE/)



Leg : 86    Top/Bot Interval(mm):  98 / 99   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   200.50
Core:   4   Depth Top Sample(m) :   207.49
Sect:  5    No. Observed Fossils:    26      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (FEW/)
  ACTINOCYCLUS EHRENBERGII (RARE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ASTEROMPHALUS ROBUSTUS (TRACE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS NODULIFER (COMMON/)
  COSCINODISCUS OCCULUS-IRIDIS (TRACE/)
  COSCINODISCUS STELLARIS (TRACE/)
  COSCINODISCUS VETUSTISSIMUS (COMMON/)
  DENTICULOPSIS KAMTSCHATICA (Q) (TRACE/)
  HEMIDISCUS CUNEIFORMIS (FEW/)
  NITZSCHIA MIOCENICA (RARE/)
  NITZSCHIA REINHOLDII (TRACE/)
  NITZSCHIA ROLANDII (TRACE/)
  NITZSCHIA SUIKOENSIS (TRACE/)
  RHIZOSOLENIA HEBETATA (TRACE/)
  ROUXIA CALIFORNICA (TRACE/)
  ROUXIA YABEI (TRACE/)
  STEPHANOPYXIS TURRIS (TRACE/)
  THALASSIOSIRA ANTIQUA (TRACE/)
  THALASSIOSIRA BOREALIS (TRACE/)
  THALASSIOSIRA CONVEXA (TRACE/)
  THALASSIOSIRA LEPTOPUS (TRACE/)
  THALASSIOSIRA MIOCENICA (TRACE/)
  THALASSIOSIRA NODULOLINEATA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)



Leg : 86    Top/Bot Interval(mm):  98 / 99   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   200.50
Core:   4   Depth Top Sample(m) :   208.99
Sect:  6    No. Observed Fossils:    17      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (FEW/)
  ASTEROMPHALUS DARWINII (TRACE/)
  ASTEROMPHALUS ROBUSTUS (TRACE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS NODULIFER (TRACE/)
  COSCINODISCUS STELLARIS (TRACE/)
  COSCINODISCUS VETUSTISSIMUS (RARE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (RARE/)
  HEMIDISCUS CUNEIFORMIS (TRACE/)
  NITZSCHIA REINHOLDII (TRACE/)
  NITZSCHIA SUIKOENSIS (TRACE/)
  RHIZOSOLENIA HEBETATA (TRACE/)
  ROUXIA CALIFORNICA (TRACE/)
  THALASSIOSIRA BURCKLIANA (TRACE/)
  THALASSIOSIRA MIOCENICA (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (DOMINANT/)
  THALASSIONEMA NITZSCHIOIDES (Q) (TRACE/)



Leg : 86    Top/Bot Interval(mm):     /      Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   200.50
Core:   4   Depth Top Sample(m) :   210.00
Sect: CC    No. Observed Fossils:    14      Group Presv: GOOD

Date: 11/85 Investigator(s): KOIZUMI
Join:       IR Volume/Page : 86/ 280

Fossils (Abundance/Preservation):
================================
  NITZSCHIA REINHOLDII (RARE/)
  NITZSCHIA ROLANDII (TRACE/)
  NITZSCHIA SUIKOENSIS (TRACE/)
  RHIZOSOLENIA HEBETATA (TRACE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  ROUXIA CALIFORNICA (FEW/)
  ROUXIA YABEI (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA ANTIQUA (TRACE/)
  THALASSIOSIRA CONVEXA (TRACE/)
  THALASSIOSIRA LEPTOPUS (TRACE/)
  THALASSIOSIRA MIOCENICA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (TRACE/)



Leg : 86    Top/Bot Interval(mm):     /  9   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   200.50
Core:   4   Depth Top Sample(m) :   209.95
Sect: CC    No. Observed Fossils:    14      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join:       IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (COMMON/)
  ACTINOCYCLUS EHRENBERGII (RARE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ASTEROLAMPRA ACUTILOBA (TRACE/)
  ASTEROMPHALUS ROBUSTUS (TRACE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS NODULIFER (FEW/)
  COSCINODISCUS STELLARIS (TRACE/)
  COSCINODISCUS SYMBOLOPHORUS (TRACE/)
  COSCINODISCUS VETUSTISSIMUS (COMMON/)
  DENTICULOPSIS KAMTSCHATICA (Q) (RARE/)
  HEMIDISCUS CUNEIFORMIS (FEW/)
  NITZSCHIA HETEROPOLICA (TRACE/)
  NITZSCHIA MARINA (TRACE/)



Leg : 86    Top/Bot Interval(mm): 100 /101   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   210.00
Core:   5   Depth Top Sample(m) :   211.01
Sect:  1    No. Observed Fossils:    24      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS EHRENBERGII (TRACE/)
  ASTEROLAMPRA ACUTILOBA (TRACE/)
  ASTEROMPHALUS ROBUSTUS (TRACE/)
  COSCINODISCUS MARGINATUS (TRACE/)
  COSCINODISCUS NODULIFER (ABUNDANT/)
  COSCINODISCUS STELLARIS (TRACE/)
  COSCINODISCUS SYMBOLOPHORUS (TRACE/)
  COSCINODISCUS VETUSTISSIMUS (COMMON/)
  DENTICULOPSIS KAMTSCHATICA (Q) (TRACE/)
  HEMIDISCUS CUNEIFORMIS (RARE/)
  NITZSCHIA MARINA (TRACE/)
  NITZSCHIA PRAEREINHOLDII (TRACE/)
  NITZSCHIA REINHOLDII (RARE/)
  NITZSCHIA ROLANDII (TRACE/)
  ROUXIA CALIFORNICA (TRACE/)
  ROUXIA YABEI (TRACE/)
  STEPHANOPYXIS TURRIS (TRACE/)
  SYNEDRA JOUSEANA (TRACE/)
  THALASSIOSIRA CONVEXA (TRACE/)
  THALASSIOSIRA LEPTOPUS (TRACE/)
  THALASSIOSIRA MIOCENICA (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (TRACE/)



Leg : 86    Top/Bot Interval(mm): 100 /101   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   210.00
Core:   5   Depth Top Sample(m) :   212.51
Sect:  2    No. Observed Fossils:    16      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS EHRENBERGII (TRACE/)
  COSCINODISCUS MARGINATUS (TRACE/)
  COSCINODISCUS NODULIFER (FEW/)
  COSCINODISCUS STELLARIS (TRACE/)
  COSCINODISCUS VETUSTISSIMUS (FEW/)
  NITZSCHIA MARINA (TRACE/)
  NITZSCHIA PRAEREINHOLDII (TRACE/)
  NITZSCHIA ROLANDII (TRACE/)
  RHIZOSOLENIA BARBOI (TRACE/)
  RHIZOSOLENIA HEBETATA (TRACE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  ROUXIA CALIFORNICA (TRACE/)
  ROUXIA YABEI (TRACE/)
  THALASSIOSIRA LEPTOPUS (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (DOMINANT/)



Leg : 86    Top/Bot Interval(mm): 100 /101   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   210.00
Core:   5   Depth Top Sample(m) :   214.01
Sect:  3    No. Observed Fossils:    26      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (RARE/)
  ACTINOCYCLUS CURVATULUS (TRACE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS NODULIFER (TRACE/)
  COSCINODISCUS TABULARIS (FEW/)
  COSCINODISCUS VETUSTISSIMUS (TRACE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (TRACE/)
  HEMIDISCUS CUNEIFORMIS (RARE/)
  NITZSCHIA MARINA (TRACE/)
  NITZSCHIA PRAEREINHOLDII (TRACE/)
  NITZSCHIA REINHOLDII (FEW/)
  NITZSCHIA ROLANDII (FEW/)
  RHIZOSOLENIA BARBOI (TRACE/)
  RHIZOSOLENIA HEBETATA (TRACE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  ROUXIA CALIFORNICA (TRACE/)
  STEPHANOPYXIS SP. (TRACE/)
  THALASSIOSIRA BOREALIS (TRACE/)
  THALASSIOSIRA BURCKLIANA (COMMON/)
  THALASSIOSIRA CONVEXA (TRACE/)
  THALASSIOSIRA EXCENTRICA (RARE/)
  THALASSIOSIRA LEPTOPUS (RARE/)
  THALASSIOSIRA MIOCENICA (TRACE/)
  THALASSIOSIRA PRAECONVEXA (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (ABUNDANT/)
  THALASSIONEMA NITZSCHIOIDES PARVA (RARE/)



Leg : 86    Top/Bot Interval(mm):  64 / 65   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   210.00
Core:   5   Depth Top Sample(m) :   215.14
Sect:  4    No. Observed Fossils:    13      Group Presv: GOOD

Date: 11/85 Investigator(s): KOIZUMI
Join:       IR Volume/Page : 86/ 280

Fossils (Abundance/Preservation):
================================
  NITZSCHIA PRAEREINHOLDII (TRACE/)
  NITZSCHIA REINHOLDII (RARE/)
  NITZSCHIA ROLANDII (FEW/)
  NITZSCHIA SUIKOENSIS (TRACE/)
  RHIZOSOLENIA BARBOI (TRACE/)
  ROUXIA CALIFORNICA (TRACE/)
  ROUXIA YABEI (TRACE/)
  STEPHANOPYXIS TURRIS (TRACE/)
  THALASSIOSIRA BURCKLIANA (RARE/)
  THALASSIOSIRA CONVEXA (TRACE/)
  THALASSIOSIRA EXCENTRICA (RARE/)
  THALASSIOSIRA LEPTOPUS (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (ABUNDANT/)



Leg : 86    Top/Bot Interval(mm):  64 / 655  Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   210.00
Core:   5   Depth Top Sample(m) :   215.15
Sect:  4    No. Observed Fossils:    10      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join:       IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS EHRENBERGII (TRACE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS NODULIFER (TRACE/)
  COSCINODISCUS OCCULUS-IRIDIS (TRACE/)
  COSCINODISCUS TABULARIS (RARE/)
  COSCINODISCUS VETUSTISSIMUS (TRACE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (TRACE/)
  HEMIDISCUS CUNEIFORMIS (RARE/)
  NITZSCHIA FOSSILIS (TRACE/)



Leg : 86    Top/Bot Interval(mm):     /      Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   210.00
Core:   5   Depth Top Sample(m) :   215.26
Sect: CC    No. Observed Fossils:    18      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (RARE/)
  ASTEROLAMPRA ACUTILOBA (TRACE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS TABULARIS (COMMON/)
  COSCINODISCUS VETUSTISSIMUS (TRACE/)
  HEMIDISCUS CUNEIFORMIS (RARE/)
  NITZSCHIA REINHOLDII (COMMON/)
  NITZSCHIA ROLANDII (FEW/)
  RHIZOSOLENIA BARBOI (TRACE/)
  RHIZOSOLENIA HEBETATA (TRACE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  ROUXIA CALIFORNICA (TRACE/)
  ROUXIA YABEI (TRACE/)
  SYNEDRA JOUSEANA (TRACE/)
  THALASSIOSIRA ANTIQUA (TRACE/)
  THALASSIOSIRA BURCKLIANA (FEW/)
  THALASSIOSIRA EXCENTRICA (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (ABUNDANT/)



Leg : 86    Top/Bot Interval(mm): 100 /101   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   219.50
Core:   6   Depth Top Sample(m) :   220.51
Sect:  1    No. Observed Fossils:    25      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (RARE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ASTEROLAMPRA ACUTILOBA (TRACE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS NODULIFER (TRACE/)
  COSCINODISCUS SYMBOLOPHORUS (TRACE/)
  COSCINODISCUS TABULARIS (COMMON/)
  COSCINODISCUS VETUSTISSIMUS (TRACE/)
  HEMIDISCUS CUNEIFORMIS (FEW/)
  MEDIARIA SPLENDIDA (TRACE/)
  NITZSCHIA PRAEREINHOLDII (TRACE/)
  NITZSCHIA REINHOLDII (RARE/)
  NITZSCHIA ROLANDII (FEW/)
  RHIZOSOLENIA BARBOI (RARE/)
  RHIZOSOLENIA HEBETATA (TRACE/)
  ROUXIA CALIFORNICA (RARE/)
  ROUXIA YABEI (TRACE/)
  SYNEDRA JOUSEANA (TRACE/)
  THALASSIOSIRA ANTIQUA (TRACE/)
  THALASSIOSIRA BURCKLIANA (TRACE/)
  THALASSIOSIRA CONVEXA (TRACE/)
  THALASSIOSIRA EXCENTRICA (TRACE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (ABUNDANT/)
  THALASSIONEMA NITZSCHIOIDES PARVA (TRACE/)



Leg : 86    Top/Bot Interval(mm): 100 /101   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   219.50
Core:   6   Depth Top Sample(m) :   222.01
Sect:  2    No. Observed Fossils:    25      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (RARE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ASTEROLAMPRA GREVILLEI (TRACE/)
  ASTEROLAMPRA MARYLANDICA (TRACE/)
  ASTEROMPHALUS ROBUSTUS (TRACE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS NODULIFER (TRACE/)
  HEMIDISCUS CUNEIFORMIS (FEW/)
  HEMIAULUS POLYMORPHUS (RARE/)
  NITZSCHIA MARINA (TRACE/)
  NITZSCHIA PORTERI (COMMON/)
  NITZSCHIA PRAEREINHOLDII (TRACE/)
  NITZSCHIA REINHOLDII (RARE/)
  NITZSCHIA ROLANDII (RARE/)
  NITZSCHIA SUIKOENSIS (TRACE/)
  RHIZOSOLENIA BARBOI (TRACE/)
  RHIZOSOLENIA HEBETATA (TRACE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  ROUXIA CALIFORNICA (TRACE/)
  STEPHANOPYXIS SP. (TRACE/)
  SYNEDRA JOUSEANA (TRACE/)
  THALASSIOSIRA BURCKLIANA (TRACE/)
  THALASSIOSIRA EXCENTRICA (TRACE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (ABUNDANT/)



Leg : 86    Top/Bot Interval(mm): 100 /101   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   219.50
Core:   6   Depth Top Sample(m) :   223.51
Sect:  3    No. Observed Fossils:    18      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ASTEROLAMPRA MARYLANDICA (TRACE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS NODULIFER (RARE/)
  DENTICULOPSIS KAMTSCHATICA (Q) (TRACE/)
  HEMIDISCUS CUNEIFORMIS (FEW/)
  HEMIAULUS POLYMORPHUS (TRACE/)
  NITZSCHIA PORTERI (FEW/)
  NITZSCHIA REINHOLDII (TRACE/)
  RHIZOSOLENIA BARBOI (TRACE/)
  ROUXIA CALIFORNICA (TRACE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIOSIRA MIOCENICA (TRACE/)
  THALASSIONEMA HIROSAKIENSIS (FEW/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES PARVA (RARE/)
  THALASSIONEMA SCHRADERI (COMMON/)



Leg : 86    Top/Bot Interval(mm): 100 /101   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   219.50
Core:   6   Depth Top Sample(m) :   225.01
Sect:  4    No. Observed Fossils:    21      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (RARE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ASTEROLAMPRA MARYLANDICA (TRACE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS NODULIFER (TRACE/)
  HEMIDISCUS CUNEIFORMIS (FEW/)
  NITZSCHIA FOSSILIS (TRACE/)
  NITZSCHIA PORTERI (FEW/)
  NITZSCHIA PRAEREINHOLDII (TRACE/)
  NITZSCHIA REINHOLDII (TRACE/)
  RHIZOSOLENIA BARBOI (RARE/)
  ROUXIA CALIFORNICA (RARE/)
  ROUXIA YABEI (TRACE/)
  SYNEDRA JOUSEANA (TRACE/)
  THALASSIOSIRA SP. (TRACE/)
  THALASSIOSIRA BURCKLIANA (RARE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIONEMA HIROSAKIENSIS (FEW/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES PARVA (TRACE/)
  THALASSIONEMA SCHRADERI (COMMON/)



Leg : 86    Top/Bot Interval(mm): 100 /101   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   219.50
Core:   6   Depth Top Sample(m) :   226.51
Sect:  5    No. Observed Fossils:    24      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (FEW/)
  ACTINOCYCLUS INGENS (RARE/)
  ASTEROLAMPRA MARYLANDICA (TRACE/)
  ASTEROMPHALUS ROBUSTUS (TRACE/)
  COSCINODISCUS MARGINATUS (ABUNDANT/)
  COSCINODISCUS NODULIFER (TRACE/)
  COSCINODISCUS STELLARIS (TRACE/)
  COSCINODISCUS TABULARIS (TRACE/)
  HEMIDISCUS CUNEIFORMIS (FEW/)
  HEMIAULUS POLYMORPHUS (TRACE/)
  NITZSCHIA PORTERI (RARE/)
  NITZSCHIA REINHOLDII (TRACE/)
  RHIZOSOLENIA BARBOI (RARE/)
  ROUXIA CALIFORNICA (TRACE/)
  ROUXIA YABEI (TRACE/)
  THALASSIOSIRA BURCKLIANA (TRACE/)
  THALASSIOSIRA EXCENTRICA (TRACE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIOSIRA PRAECONVEXA (TRACE/)
  THALASSIONEMA HIROSAKIENSIS (RARE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)
  THALASSIONEMA NITZSCHIOIDES PARVA (RARE/)
  THALASSIONEMA SCHRADERI (FEW/)



Leg : 86    Top/Bot Interval(mm): 100 /101   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   219.50
Core:   6   Depth Top Sample(m) :   228.01
Sect:  6    No. Observed Fossils:    22      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (FEW/)
  ACTINOCYCLUS EHRENBERGII (TRACE/)
  ASTEROLAMPRA MARYLANDICA (TRACE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS NODULIFER (RARE/)
  COSCINODISCUS OCCULUS-IRIDIS (TRACE/)
  COSCINODISCUS TEMPEREI DELICATA (TRACE/)
  COSCINODISCUS VETUSTISSIMUS (TRACE/)
  DENTICULOPSIS HUSTEDTII (RARE/)
  DENTICULOPSIS KANAYAE (FEW/)
  HEMIDISCUS CUNEIFORMIS (TRACE/)
  NITZSCHIA PORTERI (FEW/)
  NITZSCHIA PRAEREINHOLDII (TRACE/)
  RHIZOSOLENIA BARBOI (RARE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  ROUXIA CALIFORNICA (TRACE/)
  ROUXIA NAVICULOIDES (TRACE/)
  ROUXIA YABEI (TRACE/)
  THALASSIOSIRA SP. (ABUNDANT/)
  THALASSIOSIRA BURCKLIANA (TRACE/)
  THALASSIONEMA HIROSAKIENSIS (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)



Leg : 86    Top/Bot Interval(mm):  10 / 11   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   219.50
Core:   6   Depth Top Sample(m) :   228.61
Sect:  7    No. Observed Fossils:    20      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (RARE/)
  ACTINOCYCLUS INGENS (RARE/)
  ASTEROLAMPRA MARYLANDICA (TRACE/)
  COSCINODISCUS ENDOI (TRACE/)
  COSCINODISCUS MARGINATUS (TRACE/)
  COSCINODISCUS NODULIFER (RARE/)
  COSCINODISCUS OCCULUS-IRIDIS (TRACE/)
  COSCINODISCUS SYMBOLOPHORUS (TRACE/)
  DENTICULOPSIS KANAYAE (RARE/)
  HEMIDISCUS CUNEIFORMIS (RARE/)
  HEMIAULUS POLYMORPHUS (TRACE/)
  NITZSCHIA PORTERI (TRACE/)
  NITZSCHIA PRAEREINHOLDII (TRACE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  ROUXIA YABEI (TRACE/)
  STEPHANOPYXIS TURRIS (TRACE/)
  THALASSIOSIRA SP. (COMMON/)
  THALASSIONEMA HIROSAKIENSIS (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (ABUNDANT/)
  THALASSIONEMA NITZSCHIOIDES (Q) (FEW/)



Leg : 86    Top/Bot Interval(mm): 100 /101   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   229.00
Core:   7   Depth Top Sample(m) :   230.01
Sect:  1    No. Observed Fossils:    26      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (FEW/)
  ACTINOCYCLUS EHRENBERGII (TRACE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ACTINOCYCLUS INGENS (COMMON/)
  ASTEROLAMPRA MARYLANDICA (TRACE/)
  COSCINODISCUS ENDOI (RARE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS NODULIFER (RARE/)
  COSCINODISCUS OBSCURUS (TRACE/)
  COSCINODISCUS OCCULUS-IRIDIS (TRACE/)
  COSCINODISCUS TEMPEREI DELICATA (TRACE/)
  COSCINODISCUS VETUSTISSIMUS (TRACE/)
  DENTICULOPSIS HUSTEDTII (TRACE/)
  DENTICULOPSIS KANAYAE (FEW/)
  HEMIDISCUS CUNEIFORMIS (TRACE/)
  HEMIAULUS POLYMORPHUS (TRACE/)
  NITZSCHIA PORTERI (TRACE/)
  NITZSCHIA PRAEREINHOLDII (TRACE/)
  RHIZOSOLENIA BARBOI (RARE/)
  ROUXIA YABEI (TRACE/)
  THALASSIOSIRA SP. (COMMON/)
  THALASSIOSIRA LINEATA (RARE/)
  THALASSIOSIRA MIOCENICA (TRACE/)
  THALASSIONEMA HIROSAKIENSIS (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (FEW/)



Leg : 86    Top/Bot Interval(mm): 100 /101   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   229.00
Core:   7   Depth Top Sample(m) :   231.51
Sect:  2    No. Observed Fossils:    19      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ACTINOCYCLUS INGENS (TRACE/)
  COSCINODISCUS ENDOI (RARE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS TEMPEREI DELICATA (TRACE/)
  COSCINODISCUS YABEI (TRACE/)
  DENTICULOPSIS DIMORPHA (COMMON/)
  DENTICULOPSIS KANAYAE (RARE/)
  DENTICULOPSIS LAUTA (FEW/)
  HEMIDISCUS CUNEIFORMIS (TRACE/)
  HEMIAULUS POLYMORPHUS (TRACE/)
  NITZSCHIA PORTERI (TRACE/)
  RHIZOSOLENIA BARBOI (TRACE/)
  ROUXIA YABEI (TRACE/)
  THALASSIOSIRA SP. (TRACE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIONEMA HIROSAKIENSIS (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES PARVA (COMMON/)



Leg : 86    Top/Bot Interval(mm): 100 /101   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   229.00
Core:   7   Depth Top Sample(m) :   233.01
Sect:  3    No. Observed Fossils:    25      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ACTINOCYCLUS INGENS (RARE/)
  COSCINODISCUS ENDOI (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS NODULIFER (TRACE/)
  COSCINODISCUS PLICATUS (TRACE/)
  COSCINODISCUS TEMPEREI DELICATA (TRACE/)
  COSCINODISCUS VETUSTISSIMUS (TRACE/)
  CYMATOSIRA LORENZIANA (TRACE/)
  DENTICULOPSIS DIMORPHA (FEW/)
  DENTICULOPSIS HUSTEDTII (RARE/)
  DENTICULOPSIS KANAYAE (RARE/)
  DENTICULOPSIS LAUTA (RARE/)
  HEMIDISCUS CUNEIFORMIS (TRACE/)
  HEMIAULUS POLYMORPHUS (TRACE/)
  RHIZOSOLENIA BARBOI (RARE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  ROUXIA YABEI (TRACE/)
  THALASSIOSIRA SP. (TRACE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIONEMA HIROSAKIENSIS (RARE/)
  THALASSIONEMA NITZSCHIOIDES (ABUNDANT/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)
  THALASSIONEMA NITZSCHIOIDES PARVA (FEW/)



Leg : 86    Top/Bot Interval(mm): 100 /101   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   229.00
Core:   7   Depth Top Sample(m) :   234.51
Sect:  4    No. Observed Fossils:    21      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ACTINOCYCLUS INGENS (TRACE/)
  COSCINODISCUS ENDOI (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS NODULIFER (TRACE/)
  COSCINODISCUS PLICATUS (TRACE/)
  COSCINODISCUS TEMPEREI DELICATA (TRACE/)
  DENTICULOPSIS DIMORPHA (FEW/)
  DENTICULOPSIS HUSTEDTII (TRACE/)
  DENTICULOPSIS KANAYAE (COMMON/)
  DENTICULOPSIS LAUTA (RARE/)
  HEMIDISCUS CUNEIFORMIS (RARE/)
  RHIZOSOLENIA BARBOI (TRACE/)
  ROUXIA CALIFORNICA (TRACE/)
  ROUXIA NAVICULOIDES (RARE/)
  ROUXIA YABEI (FEW/)
  THALASSIOSIRA SP. (TRACE/)
  THALASSIONEMA HIROSAKIENSIS (FEW/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (COMMON/)
  THALASSIONEMA NITZSCHIOIDES PARVA (FEW/)



Leg : 86    Top/Bot Interval(mm): 100 /101   Sample Age : UPPER MIOCENE
Hole: 581   Depth Top of Core(m):   229.00
Core:   7   Depth Top Sample(m) :   236.01
Sect:  5    No. Observed Fossils:    20      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ACTINOCYCLUS INGENS (TRACE/)
  ASTEROMPHALUS DARWINII (TRACE/)
  COSCINODISCUS ENDOI (FEW/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS NODULIFER (RARE/)
  COSCINODISCUS STELLARIS (TRACE/)
  COSCINODISCUS SYMBOLOPHORUS (TRACE/)
  DENTICULOPSIS DIMORPHA (FEW/)
  DENTICULOPSIS HUSTEDTII (TRACE/)
  DENTICULOPSIS KANAYAE (COMMON/)
  DENTICULOPSIS LAUTA (COMMON/)
  HEMIDISCUS CUNEIFORMIS (TRACE/)
  RHIZOSOLENIA BARBOI (RARE/)
  ROUXIA NAVICULOIDES (TRACE/)
  ROUXIA YABEI (COMMON/)
  STEPHANOPYXIS SP. (FEW/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA SP. (TRACE/)



Leg : 86    Top/Bot Interval(mm): 100 /101   Sample Age : MIDDLE MIOCENE
Hole: 581   Depth Top of Core(m):   229.00
Core:   7   Depth Top Sample(m) :   237.51
Sect:  6    No. Observed Fossils:    24      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ACTINOCYCLUS INGENS (FEW/)
  COSCINODISCUS ENDOI (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS NODULIFER (RARE/)
  COSCINODISCUS OCCULUS-IRIDIS (TRACE/)
  COSCINODISCUS PLICATUS (TRACE/)
  COSCINODISCUS STELLARIS (TRACE/)
  COSCINODISCUS VETUSTISSIMUS (TRACE/)
  DENTICULOPSIS KANAYAE (COMMON/)
  DENTICULOPSIS LAUTA (TRACE/)
  HEMIAULUS POLYMORPHUS (TRACE/)
  NITZSCHIA PRAEREINHOLDII (TRACE/)
  RHIZOSOLENIA BARBOI (RARE/)
  ROUXIA CALIFORNICA (RARE/)
  ROUXIA NAVICULOIDES (RARE/)
  ROUXIA YABEI (TRACE/)
  THALASSIOSIRA SP. (TRACE/)
  THALASSIOSIRA SP. (RARE/)
  THALASSIONEMA HIROSAKIENSIS (FEW/)
  THALASSIONEMA NITZSCHIOIDES (ABUNDANT/)
  THALASSIONEMA NITZSCHIOIDES (Q) (FEW/)
  THALASSIONEMA NITZSCHIOIDES PARVA (RARE/)



Leg : 86    Top/Bot Interval(mm):     /      Sample Age : MIDDLE MIOCENE
Hole: 581   Depth Top of Core(m):   229.00
Core:   7   Depth Top Sample(m) :   238.00
Sect: CC    No. Observed Fossils:    15      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join:       IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS ELLIPTICUS (RARE/)
  ACTINOCYCLUS INGENS (FEW/)
  COSCINODISCUS ENDOI (FEW/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS NODULIFER (TRACE/)
  COSCINODISCUS OCCULUS-IRIDIS (TRACE/)
  COSCINODISCUS PLICATUS (TRACE/)
  COSCINODISCUS TEMPEREI DELICATA (TRACE/)
  COSCINODISCUS VETUSTISSIMUS (TRACE/)
  DENTICULOPSIS DIMORPHA (TRACE/)
  DENTICULOPSIS HUSTEDTII (FEW/)
  DENTICULOPSIS KANAYAE (FEW/)
  DENTICULOPSIS LAUTA (TRACE/)
  HEMIDISCUS CUNEIFORMIS (TRACE/)



Leg : 86    Top/Bot Interval(mm): 100 /101   Sample Age : MIDDLE MIOCENE
Hole: 581   Depth Top of Core(m):   229.00
Core:   7   Depth Top Sample(m) :   238.91
Sect: CC    No. Observed Fossils:    11      Group Presv: GOOD

Date: 11/85 Investigator(s): KOIZUMI
Join:       IR Volume/Page : 86/ 280

Fossils (Abundance/Preservation):
================================
  PARALIA SULCATA (RARE/)
  RHIZOSOLENIA BARBOI (TRACE/)
  RHIZOSOLENIA HEBETATA (TRACE/)
  ROUXIA CALIFORNICA (TRACE/)
  ROUXIA YABEI (TRACE/)
  THALASSIOSIRA SP. (RARE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIONEMA HIROSAKIENSIS (FEW/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (FEW/)
  THALASSIONEMA NITZSCHIOIDES PARVA (RARE/)



Leg : 86    Top/Bot Interval(mm): 110 /111   Sample Age : MIDDLE MIOCENE
Hole: 581   Depth Top of Core(m):   238.50
Core:   8   Depth Top Sample(m) :   239.61
Sect:  1    No. Observed Fossils:    23      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS EHRENBERGII (TRACE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ACTINOCYCLUS INGENS (FEW/)
  ASTEROLAMPRA ACUTILOBA (TRACE/)
  BOGOROVIA PRAEPALEACEA (RARE/)
  COSCINODISCUS ENDOI (FEW/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS NODULIFER (TRACE/)
  COSCINODISCUS PLICATUS (TRACE/)
  COSCINODISCUS YABEI (TRACE/)
  DENTICULOPSIS HUSTEDTII (FEW/)
  DENTICULOPSIS KANAYAE (FEW/)
  HEMIDISCUS CUNEIFORMIS (TRACE/)
  RHIZOSOLENIA BARBOI (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  ROUXIA CALIFORNICA (TRACE/)
  ROUXIA NAVICULOIDES (TRACE/)
  STEPHANOPYXIS TURRIS (TRACE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIONEMA HIROSAKIENSIS (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (ABUNDANT/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)
  THALASSIONEMA NITZSCHIOIDES PARVA (FEW/)



Leg : 86    Top/Bot Interval(mm): 110 /111   Sample Age : MIDDLE MIOCENE
Hole: 581   Depth Top of Core(m):   238.50
Core:   8   Depth Top Sample(m) :   241.11
Sect:  2    No. Observed Fossils:    21      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS INGENS (COMMON/)
  ASTEROLAMPRA MARYLANDICA (RARE/)
  BOGOROVIA PRAEPALEACEA (RARE/)
  COSCINODISCUS ENDOI (COMMON/)
  COSCINODISCUS MARGINATUS (TRACE/)
  COSCINODISCUS PLICATUS (TRACE/)
  COSCINODISCUS STELLARIS (TRACE/)
  COSCINODISCUS SYMBOLOPHORUS (TRACE/)
  DENTICULOPSIS HUSTEDTII (COMMON/)
  DENTICULOPSIS KANAYAE (RARE/)
  DENTICULOPSIS PUNCTATA HUSTEDTII (TRACE/)
  HEMIDISCUS CUNEIFORMIS (TRACE/)
  HEMIAULUS POLYMORPHUS (TRACE/)
  RHIZOSOLENIA BARBOI (TRACE/)
  ROUXIA CALIFORNICA (TRACE/)
  ROUXIA YABEI (TRACE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIONEMA HIROSAKIENSIS (RARE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)



Leg : 86    Top/Bot Interval(mm): 110 /111   Sample Age : MIDDLE MIOCENE
Hole: 581   Depth Top of Core(m):   238.50
Core:   8   Depth Top Sample(m) :   242.61
Sect:  3    No. Observed Fossils:    24      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ACTINOCYCLUS INGENS (FEW/)
  ASTEROLAMPRA GREVILLEI (TRACE/)
  ASTEROMPHALUS BROOKEI (TRACE/)
  BOGOROVIA PRAEPALEACEA (RARE/)
  COSCINODISCUS ENDOI (FEW/)
  COSCINODISCUS MARGINATUS (TRACE/)
  COSCINODISCUS NODULIFER (FEW/)
  COSCINODISCUS PLICATUS (TRACE/)
  COSCINODISCUS VETUSTISSIMUS (RARE/)
  DENTICULOPSIS HUSTEDTII (COMMON/)
  DENTICULOPSIS PUNCTATA (TRACE/)
  DENTICULOPSIS PUNCTATA HUSTEDTII (RARE/)
  HEMIDISCUS CUNEIFORMIS (FEW/)
  NITZSCHIA HETEROPOLICA (TRACE/)
  PARALIA SULCATA (TRACE/)
  RHIZOSOLENIA BARBOI (TRACE/)
  ROUXIA CALIFORNICA (TRACE/)
  ROUXIA NAVICULOIDES (TRACE/)
  THALASSIONEMA HIROSAKIENSIS (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (ABUNDANT/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)
  THALASSIONEMA NITZSCHIOIDES PARVA (TRACE/)



Leg : 86    Top/Bot Interval(mm): 110 /111   Sample Age : MIDDLE MIOCENE
Hole: 581   Depth Top of Core(m):   238.50
Core:   8   Depth Top Sample(m) :   244.11
Sect:  4    No. Observed Fossils:    18      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ACTINOCYCLUS INGENS (FEW/)
  COSCINODISCUS ELEGANS (TRACE/)
  COSCINODISCUS ENDOI (FEW/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS NODULIFER (TRACE/)
  COSCINODISCUS TEMPEREI DELICATA (TRACE/)
  DENTICULOPSIS HUSTEDTII (FEW/)
  DENTICULOPSIS HYALINA (TRACE/)
  DENTICULOPSIS KANAYAE (TRACE/)
  DENTICULOPSIS LAUTA (TRACE/)
  DENTICULOPSIS PRAEDIMORPHA (ABUNDANT/)
  DENTICULOPSIS PUNCTATA HUSTEDTII (TRACE/)
  RHIZOSOLENIA BARBOI (TRACE/)
  THALASSIONEMA HIROSAKIENSIS (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)



Leg : 86    Top/Bot Interval(mm): 110 /111   Sample Age : MIDDLE MIOCENE
Hole: 581   Depth Top of Core(m):   238.50
Core:   8   Depth Top Sample(m) :   245.61
Sect:  5    No. Observed Fossils:     9      Group Presv: MODERATE

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (FEW/)
  BOGOROVIA PRAEPALEACEA (FEW/)
  COSCINODISCUS ENDOI (COMMON/)
  COSCINODISCUS MARGINATUS (FEW/)
  DENTICULOPSIS HUSTEDTII (COMMON/)
  DENTICULOPSIS PRAEDIMORPHA (FEW/)
  THALASSIONEMA HIROSAKIENSIS (TRACE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIONEMA NITZSCHIOIDES (Q) (TRACE/)



Leg : 86    Top/Bot Interval(mm):     /      Sample Age : MIDDLE MIOCENE
Hole: 581   Depth Top of Core(m):   238.50
Core:   8   Depth Top Sample(m) :   246.10
Sect: CC    No. Observed Fossils:    24      Group Presv: GOOD

Date: 11/86 Investigator(s): KOIZUMI
Join: P     IR Volume/Page : 86/ 278

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS SENARIUS (TRACE/)
  ACTINOCYCLUS ELLIPTICUS (TRACE/)
  ACTINOCYCLUS INGENS (FEW/)
  ASTEROLAMPRA MARYLANDICA (TRACE/)
  BOGOROVIA PRAEPALEACEA (TRACE/)
  COSCINODISCUS ENDOI (FEW/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS NODULIFER (TRACE/)
  COSCINODISCUS PLICATUS (RARE/)
  COSCINODISCUS VETUSTISSIMUS (TRACE/)
  DENTICULOPSIS HUSTEDTII (COMMON/)
  DENTICULOPSIS KANAYAE (TRACE/)
  DENTICULOPSIS LAUTA (TRACE/)
  DENTICULOPSIS PRAEDIMORPHA (FEW/)
  DENTICULOPSIS PUNCTATA HUSTEDTII (TRACE/)
  HEMIDISCUS CUNEIFORMIS (TRACE/)
  PARALIA SULCATA (TRACE/)
  RHIZOSOLENIA STYLIFORMIS (TRACE/)
  ROUXIA NAVICULOIDES (TRACE/)
  THALASSIOSIRA LINEATA (TRACE/)
  THALASSIONEMA HIROSAKIENSIS (FEW/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIONEMA NITZSCHIOIDES (Q) (TRACE/)
  THALASSIONEMA NITZSCHIOIDES PARVA (RARE/)
Introduction
Cite as: Deep Sea Drilling Project (1989): Archive of Core and Site/Hole Data and Photographs from the Deep Sea Drilling Project (DSDP). National Geophysical Data Center, NOAA. doi:10.7289/V54M92G2 [access date]
These Web pages are from the Core Data from the Deep Sea Drilling Project Legs 1-96 CD-ROM produced in 1989 and modified in 2000 by the U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service, National Geophysical Data Center (now part of the National Centers for Environmental Information), and collocated World Data Center for Marine Geology and Geophysics, Boulder (now part of the World Data Service for Geophysics). Data were compiled in cooperation with the U.S. Science Support Program, of the Joint Oceanographic Institutions, Inc. (now the Consortium for Ocean Leadership), and the U.S. National Science Foundation.
Please see NOAA's privacy and disclaimer information. Send questions or comments to mgg.info@noaa.gov.

Department of Commerce > NOAA > NESDIS > NCEI > doi:10.7289/V54M92G2