NOAA logo, National Centers for Environmental Information, National Oceanic and Atmospheric Administration NSF logo, National Science Foundation, Division of Ocean Sciences

Core Data from the Deep Sea Drilling Project


Leg : 63    Top/Bot Interval(mm): 1300/1310  Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):    35.50   Group Abund: ABUNDANT
Core:   3   Depth Top Sample(m) :    41.31
Sect:  4    No. Observed Fossils:    13      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (FEW/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS NODULIFER (RARE/)
  DENTICULOPSIS DIMORPHA (COMMON/)
  DENTICULOPSIS HUSTEDTII (FEW/)
  DENTICULOPSIS LAUTA (FEW/)
  DENTICULOPSIS PRAEDIMORPHA (RARE/)
  HEMIDISCUS CUNEIFORMIS (FEW/)
  RHIZOSOLENIA BARBOI (COMMON/)
  THALASSIOSIRA LEPTOPUS (RARE/)
  THALASSIONEMA HIROSAKIENSIS (FEW/)
  THALASSIONEMA NITZSCHIOIDES (ABUNDANT/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 63    Top/Bot Interval(mm):     /      Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):    35.50   Group Abund: RARE
Core:   3   Depth Top Sample(m) :    42.53
Sect: CC    No. Observed Fossils:     8      Group Presv: POOR

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  DENTICULOPSIS HUSTEDTII (RARE/)
  DENTICULOPSIS PRAEDIMORPHA (RARE/)
  RHIZOSOLENIA BARBOI (RARE/)
  RHIZOSOLENIA PRAEBARBOI (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 63    Top/Bot Interval(mm):  900/ 920  Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):    45.00   Group Abund: FEW
Core:   4   Depth Top Sample(m) :    47.41
Sect:  2    No. Observed Fossils:    11      Group Presv: POOR

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (FEW/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS NODULIFER (RARE/)
  DENTICULOPSIS HUSTEDTII (RARE/)
  DENTICULOPSIS HYALINA (RARE/)
  DENTICULOPSIS LAUTA (RARE/)
  DENTICULOPSIS PRAEDIMORPHA (RARE/)
  MEDIARIA SPLENDIDA (RARE/)
  SYNEDRA JOUSEANA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 63    Top/Bot Interval(mm):     /      Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):    45.00   Group Abund: FEW
Core:   4   Depth Top Sample(m) :    47.75
Sect: CC    No. Observed Fossils:     8      Group Presv: POOR

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (FEW/)
  COSCINODISCUS MARGINATUS (RARE/)
  DENTICULOPSIS HUSTEDTII (RARE/)
  DENTICULOPSIS LAUTA (RARE/)
  DENTICULOPSIS PRAEDIMORPHA (RARE/)
  MEDIARIA SPLENDIDA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 63    Top/Bot Interval(mm):     /      Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):    54.50   Group Abund: COMMON
Core:   5   Depth Top Sample(m) :    54.60
Sect: CC    No. Observed Fossils:    13      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (COMMON/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS SALISBURYANUS (RARE/)
  COSCINODISCUS YABEI (RARE/)
  CRASPEDODISCUS COSCINODISCUS (RARE/)
  DELPHINEIS PENELLIPTICA (RARE/)
  DENTICULOPSIS HUSTEDTII (FEW/)
  DENTICULOPSIS LAUTA (RARE/)
  DENTICULOPSIS NICOBARICA (RARE/)
  DENTICULOPSIS PRAEDIMORPHA (FEW/)
  RHIZOSOLENIA PRAEBARBOI (RARE/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIOTHRIX LONGISSIMA (FEW/)



Leg : 63    Top/Bot Interval(mm):  900/ 920  Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):    64.00   Group Abund: ABUNDANT
Core:   6   Depth Top Sample(m) :    67.91
Sect:  3    No. Observed Fossils:    10      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (ABUNDANT/)
  COSCINODISCUS MARGINATUS (ABUNDANT/)
  COSCINODISCUS SALISBURYANUS (RARE/)
  DENTICULOPSIS HUSTEDTII (FEW/)
  DENTICULOPSIS HYALINA (RARE/)
  DENTICULOPSIS LAUTA (RARE/)
  RHIZOSOLENIA PRAEBARBOI (FEW/)
  SYNEDRA JOUSEANA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (ABUNDANT/)



Leg : 63    Top/Bot Interval(mm):  900/ 920  Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):    64.00   Group Abund: COMMON
Core:   6   Depth Top Sample(m) :    70.91
Sect:  5    No. Observed Fossils:    13      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (COMMON/)
  COSCINODISCUS SP. (RARE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  CRASPEDODISCUS COSCINODISCUS (RARE/)
  DELPHINEIS ANGUSTATA (RARE/)
  DENTICULOPSIS HUSTEDTII (RARE/)
  DENTICULOPSIS HYALINA (RARE/)
  DENTICULOPSIS LAUTA (RARE/)
  RHIZOSOLENIA PRAEBARBOI (FEW/)
  ROUXIA NAVICULOIDES (RARE/)
  SYNEDRA JOUSEANA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIOTHRIX LONGISSIMA (COMMON/)



Leg : 63    Top/Bot Interval(mm):     /      Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):    73.50   Group Abund: COMMON
Core:   7   Depth Top Sample(m) :    73.60
Sect: CC    No. Observed Fossils:    11      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (COMMON/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS SALISBURYANUS (RARE/)
  DENTICULOPSIS HUSTEDTII (FEW/)
  DENTICULOPSIS HYALINA (RARE/)
  DENTICULOPSIS LAUTA (RARE/)
  DENTICULOPSIS NICOBARICA (RARE/)
  RHIZOSOLENIA PRAEBARBOI (RARE/)
  SYNEDRA JOUSEANA (FEW/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIOTHRIX LONGISSIMA (COMMON/)



Leg : 63    Top/Bot Interval(mm):  600/ 620  Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):    83.00   Group Abund: COMMON
Core:   8   Depth Top Sample(m) :    83.61
Sect:  1    No. Observed Fossils:    13      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (COMMON/)
  ACTINOCYCLUS INGENS (RARE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS SALISBURYANUS (RARE/)
  CRASPEDODISCUS COSCINODISCUS (RARE/)
  DENTICULOPSIS HUSTEDTII (FEW/)
  DENTICULOPSIS HYALINA (RARE/)
  DENTICULOPSIS LAUTA (RARE/)
  DENTICULOPSIS NICOBARICA (RARE/)
  MEDIARIA SPLENDIDA (RARE/)
  SYNEDRA JOUSEANA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (FEW/)



Leg : 63    Top/Bot Interval(mm):  600/ 620  Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):    83.00   Group Abund: COMMON
Core:   8   Depth Top Sample(m) :    86.61
Sect:  3    No. Observed Fossils:    12      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (COMMON/)
  COSCINODISCUS LEWISIANUS (RARE/)
  COSCINODISCUS MARGINATUS (FEW/)
  DENTICULOPSIS HUSTEDTII (FEW/)
  DENTICULOPSIS HYALINA (RARE/)
  DENTICULOPSIS LAUTA (RARE/)
  DENTICULOPSIS NICOBARICA (RARE/)
  MEDIARIA SPLENDIDA (RARE/)
  RHAPHIDODISCUS MARYLANDICUS (RARE/)
  SYNEDRA JOUSEANA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIOTHRIX LONGISSIMA (FEW/)



Leg : 63    Top/Bot Interval(mm):  510/ 530  Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):    92.50   Group Abund: COMMON
Core:   9   Depth Top Sample(m) :    93.02
Sect:  1    No. Observed Fossils:    12      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (COMMON/)
  ACTINOCYCLUS INGENS (FEW/)
  COSCINODISCUS LEWISIANUS (RARE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  CRASPEDODISCUS COSCINODISCUS (RARE/)
  DENTICULOPSIS HUSTEDTII (RARE/)
  DENTICULOPSIS HYALINA (COMMON/)
  DENTICULOPSIS LAUTA (FEW/)
  DENTICULOPSIS NICOBARICA (RARE/)
  SYNEDRA JOUSEANA (FEW/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIOTHRIX LONGISSIMA (FEW/)



Leg : 63    Top/Bot Interval(mm):  510/ 530  Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):    92.50   Group Abund: COMMON
Core:   9   Depth Top Sample(m) :    96.02
Sect:  3    No. Observed Fossils:    16      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (COMMON/)
  ACTINOCYCLUS INGENS (FEW/)
  ANNELLUS CALIFORNICUS (RARE/)
  COSCINODISCUS LEWISIANUS (FEW/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS SALISBURYANUS (RARE/)
  CRASPEDODISCUS COSCINODISCUS (RARE/)
  DENTICULOPSIS HUSTEDTII (RARE/)
  DENTICULOPSIS HYALINA (COMMON/)
  DENTICULOPSIS LAUTA (FEW/)
  DENTICULOPSIS NICOBARICA (RARE/)
  DENTICULOPSIS SP. (RARE/)
  MEDIARIA SPLENDIDA (RARE/)
  SYNEDRA JOUSEANA (FEW/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 63    Top/Bot Interval(mm):  560/ 580  Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):   102.00   Group Abund: COMMON
Core:  10   Depth Top Sample(m) :   102.57
Sect:  1    No. Observed Fossils:    11      Group Presv: POOR

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (COMMON/)
  ACTINOCYCLUS INGENS (RARE/)
  COSCINODISCUS LEWISIANUS (RARE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS SALISBURYANUS (RARE/)
  DENTICULOPSIS DIMORPHA (RARE/)
  DENTICULOPSIS HUSTEDTII (COMMON/)
  DENTICULOPSIS HYALINA (RARE/)
  SYNEDRA JOUSEANA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 63    Top/Bot Interval(mm):     /      Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):   102.00   Group Abund: FEW
Core:  10   Depth Top Sample(m) :   104.46
Sect: CC    No. Observed Fossils:     7      Group Presv: POOR

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (FEW/)
  COSCINODISCUS MARGINATUS (RARE/)
  DENTICULOPSIS HYALINA (RARE/)
  DENTICULOPSIS LAUTA (RARE/)
  SYNEDRA JOUSEANA (FEW/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 63    Top/Bot Interval(mm):     /      Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):   121.00   Group Abund: FEW
Core:  11   Depth Top Sample(m) :   121.10
Sect: CC    No. Observed Fossils:    12      Group Presv: POOR

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (FEW/)
  ACTINOCYCLUS INGENS (RARE/)
  COSCINODISCUS SP. (RARE/)
  COSCINODISCUS LEWISIANUS (RARE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS SALISBURYANUS (RARE/)
  CRASPEDODISCUS COSCINODISCUS (RARE/)
  DENTICULOPSIS HYALINA (RARE/)
  DENTICULOPSIS LAUTA (RARE/)
  SYNEDRA JOUSEANA (FEW/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 63    Top/Bot Interval(mm):     /      Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):   140.00   Group Abund: ABUNDANT
Core:  12   Depth Top Sample(m) :   144.06
Sect: CC    No. Observed Fossils:    15      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (ABUNDANT/)
  ACTINOCYCLUS INGENS (FEW/)
  ACTINOCYCLUS INGENS (FEW/)
  COSCINODISCUS SP. (RARE/)
  COSCINODISCUS ENDOI (RARE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS SALISBURYANUS (FEW/)
  CRASPEDODISCUS COSCINODISCUS (RARE/)
  DENTICULOPSIS HYALINA (ABUNDANT/)
  DENTICULOPSIS LAUTA (RARE/)
  DENTICULOPSIS NICOBARICA (RARE/)
  MEDIARIA SPLENDIDA (FEW/)
  SYNEDRA JOUSEANA (FEW/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIOTHRIX LONGISSIMA (FEW/)



Leg : 63    Top/Bot Interval(mm):  510/ 530  Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):   159.00   Group Abund: ABUNDANT
Core:  13   Depth Top Sample(m) :   159.52
Sect:  1    No. Observed Fossils:    15      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (ABUNDANT/)
  ACTINOCYCLUS INGENS (FEW/)
  ACTINOCYCLUS INGENS (FEW/)
  COSCINODISCUS ENDOI (RARE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS SALISBURYANUS (RARE/)
  CRASPEDODISCUS COSCINODISCUS (RARE/)
  DENTICULOPSIS HYALINA (COMMON/)
  DENTICULOPSIS LAUTA (FEW/)
  DENTICULOPSIS NICOBARICA (RARE/)
  MEDIARIA SPLENDIDA (RARE/)
  RHAPHIDODISCUS MARYLANDICUS (RARE/)
  SYNEDRA JOUSEANA (FEW/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIOTHRIX LONGISSIMA (COMMON/)



Leg : 63    Top/Bot Interval(mm):  540/ 560  Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):   159.00   Group Abund: COMMON
Core:  13   Depth Top Sample(m) :   162.55
Sect:  3    No. Observed Fossils:    14      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (COMMON/)
  ACTINOCYCLUS INGENS (FEW/)
  ACTINOCYCLUS INGENS (FEW/)
  COSCINODISCUS LEWISIANUS (RARE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS SALISBURYANUS (RARE/)
  CRASPEDODISCUS COSCINODISCUS (RARE/)
  DENTICULOPSIS HYALINA (FEW/)
  DENTICULOPSIS LAUTA (FEW/)
  MEDIARIA SPLENDIDA (RARE/)
  SYNEDRA JOUSEANA (FEW/)
  SYNEDRA JOUSEANA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 63    Top/Bot Interval(mm):  840/ 860  Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):   178.00   Group Abund: COMMON
Core:  14   Depth Top Sample(m) :   178.85
Sect:  1    No. Observed Fossils:    14      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (COMMON/)
  ACTINOCYCLUS INGENS (RARE/)
  ACTINOCYCLUS INGENS (FEW/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS SALISBURYANUS (RARE/)
  CRASPEDODISCUS COSCINODISCUS (RARE/)
  DELPHINEIS PENELLIPTICA (RARE/)
  DENTICULOPSIS HYALINA (RARE/)
  DENTICULOPSIS LAUTA (FEW/)
  DENTICULOPSIS NICOBARICA (RARE/)
  MEDIARIA SPLENDIDA (RARE/)
  SYNEDRA JOUSEANA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 63    Top/Bot Interval(mm):  840/ 860  Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):   178.00   Group Abund: COMMON
Core:  14   Depth Top Sample(m) :   181.85
Sect:  3    No. Observed Fossils:    11      Group Presv: POOR

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (COMMON/)
  ACTINOCYCLUS INGENS (RARE/)
  ACTINOCYCLUS INGENS (RARE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS SALISBURYANUS (RARE/)
  DENTICULOPSIS LAUTA (FEW/)
  MEDIARIA SPLENDIDA (RARE/)
  RHAPHONEIS MIOCENICA (RARE/)
  SYNEDRA JOUSEANA (FEW/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 63    Top/Bot Interval(mm):  450/ 470  Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):   197.00   Group Abund: ABUNDANT
Core:  15   Depth Top Sample(m) :   197.46
Sect:  1    No. Observed Fossils:    16      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (ABUNDANT/)
  ACTINOCYCLUS INGENS (RARE/)
  ACTINOCYCLUS INGENS (RARE/)
  ANNELLUS CALIFORNICUS (RARE/)
  COSCINODISCUS LEWISIANUS (RARE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS SALISBURYANUS (FEW/)
  CRASPEDODISCUS COSCINODISCUS (RARE/)
  DELPHINEIS PENELLIPTICA (RARE/)
  DENTICULOPSIS LAUTA (FEW/)
  MEDIARIA SPLENDIDA (RARE/)
  RHAPHONEIS MIOCENICA (RARE/)
  ROUXIA DIPLONEIDES (RARE/)
  SYNEDRA JOUSEANA (FEW/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 63    Top/Bot Interval(mm):     /      Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):   197.00   Group Abund: COMMON
Core:  15   Depth Top Sample(m) :   199.00
Sect: CC    No. Observed Fossils:    14      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (COMMON/)
  ACTINOCYCLUS INGENS (RARE/)
  ACTINOCYCLUS INGENS (RARE/)
  COSCINODISCUS LEWISIANUS (RARE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS SALISBURYANUS (RARE/)
  CRASPEDODISCUS COSCINODISCUS (RARE/)
  DELPHINEIS PENELLIPTICA (RARE/)
  DENTICULOPSIS LAUTA (FEW/)
  DENTICULOPSIS NICOBARICA (RARE/)
  MEDIARIA SPLENDIDA (FEW/)
  SYNEDRA JOUSEANA (FEW/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 63    Top/Bot Interval(mm):  310/ 330  Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):   206.50   Group Abund: ABUNDANT
Core:  16   Depth Top Sample(m) :   206.82
Sect:  1    No. Observed Fossils:    12      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (ABUNDANT/)
  ACTINOCYCLUS INGENS (FEW/)
  ACTINOCYCLUS INGENS (RARE/)
  COSCINODISCUS LEWISIANUS (RARE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS SALISBURYANUS (RARE/)
  DENTICULOPSIS LAUTA (FEW/)
  MEDIARIA SPLENDIDA (RARE/)
  RHAPHONEIS MIOCENICA (RARE/)
  SYNEDRA JOUSEANA (FEW/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 63    Top/Bot Interval(mm):  510/ 530  Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):   216.00   Group Abund: COMMON
Core:  17   Depth Top Sample(m) :   216.52
Sect:  1    No. Observed Fossils:    15      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (COMMON/)
  ACTINOCYCLUS INGENS (RARE/)
  ACTINOCYCLUS INGENS (RARE/)
  ANNELLUS CALIFORNICUS (RARE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS SALISBURYANUS (RARE/)
  CRASPEDODISCUS COSCINODISCUS (RARE/)
  DENTICULOPSIS LAUTA (FEW/)
  DENTICULOPSIS NORWEGICA (RARE/)
  MEDIARIA SPLENDIDA (RARE/)
  NITZSCHIA CHALLENGERI (RARE/)
  SYNEDRA JOUSEANA (FEW/)
  SYNEDRA JOUSEANA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 63    Top/Bot Interval(mm):  510/ 530  Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):   216.00   Group Abund: COMMON
Core:  17   Depth Top Sample(m) :   219.52
Sect:  3    No. Observed Fossils:     9      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (COMMON/)
  ACTINOCYCLUS INGENS (RARE/)
  ACTINOCYCLUS INGENS (RARE/)
  COSCINODISCUS LEWISIANUS (RARE/)
  COSCINODISCUS MARGINATUS (FEW/)
  DENTICULOPSIS LAUTA (FEW/)
  SYNEDRA JOUSEANA (FEW/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 63    Top/Bot Interval(mm):  510/ 530  Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):   225.50   Group Abund: COMMON
Core:  18   Depth Top Sample(m) :   226.02
Sect:  1    No. Observed Fossils:    10      Group Presv: MODERATE

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (COMMON/)
  ACTINOCYCLUS INGENS (RARE/)
  ANNELLUS CALIFORNICUS (RARE/)
  COSCINODISCUS LEWISIANUS (RARE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS SALISBURYANUS (RARE/)
  DENTICULOPSIS LAUTA (FEW/)
  SYNEDRA JOUSEANA (FEW/)
  THALASSIONEMA NITZSCHIOIDES (COMMON/)
  THALASSIOTHRIX LONGISSIMA (FEW/)



Leg : 63    Top/Bot Interval(mm):     /      Sample Age : MIDDLE MIOCENE
Hole: 468B  Depth Top of Core(m):   254.00   Group Abund: COMMON
Core:  21   Depth Top Sample(m) :   258.27
Sect: CC    No. Observed Fossils:     8      Group Presv: POOR

Date:  9/81 Investigator(s): BARRON
Join:       IR Volume/Page : 63/ 511

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (COMMON/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS SALISBURYANUS (RARE/)
  DENTICULOPSIS LAUTA (RARE/)
  MEDIARIA SPLENDIDA (RARE/)
  SYNEDRA JOUSEANA (FEW/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIOTHRIX LONGISSIMA (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