skip navigation link
 NOAA > NESDIS > NGDC > marine geology & geophysics > geology > ocean drilling
privacy policy 

NOAA/NGDC
WDC MGG Seafloor Series Vol I

Core Data from the Deep Sea Drilling Project


Leg : 70    Depth to Top of Core(m):    29.50    Piece: 1
Hole: 506G  Top/Bottom Interval(mm):   30/  50
Core:   2   Sample Depth:    29.54
Sect:  1    Analyst Name: Schrader, E.L.

Analytical Method(s):
  Atomic absorption  Atomic absorption  Atomic absorption

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC TO PLAG-CPX SPARSELY PHYRIC BASALT

SiO2    :   50.8    Al2O3:  13.67    Fe2O3(tot):
FeO(tot):           Fe2O3:   3.28    FeO       :  10.65
MgO     :   6.76    CaO  :  10.76    Na2O      :   2.41
K2O     :   0.15    TiO2 :   1.89    MnO       :  0.235
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.64    Magnesium#:

Comments: CORE
Analysis NOT normalized to 100 1n source.
Total water not directly determined.
H2O not partitioned.
H2O is loss on ignition.
Essential oxides quoted to .01
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Initial Reports.
Results are averages for multiple analyses of the specimen.
ship and at one or more shore laboratories or by different techniques.



Leg : 70    Depth to Top of Core(m):    29.50    Piece: 1
Hole: 506G  Top/Bottom Interval(mm):   30/  50
Core:   2   Sample Depth:    29.54
Sect:  1    Analyst Name: Schrader, E.L.

Analytical Method(s):
  Atomic absorption  Atomic absorption  Atomic absorption

Alteration    Rock type    Rock name
              IGNEOUS      APHYRIC TO PLAG-CPX SPARSELY PHYRIC BASALT

SiO2    :  50.54    Al2O3:  13.21    Fe2O3(tot):
FeO(tot):           Fe2O3:   4.00    FeO       :  10.00
MgO     :   6.69    CaO  :  10.23    Na2O      :   2.41
K2O     :   0.21    TiO2 :   1.92    MnO       :  0.228
P2O5    :           LOI  :   0.34    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.78    Magnesium#:

Comments: ALTERATION RIM
Analysis NOT normalized to 100 1n source.
Total water not directly determined.
H2O not partitioned.
H2O is loss on ignition.
Essential oxides quoted to .01
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Initial Reports.
Results are averages for multiple analyses of the specimen.
ship and at one or more shore laboratories or by different techniques.



Leg : 70    Depth to Top of Core(m):    29.50    Piece: 2
Hole: 506G  Top/Bottom Interval(mm):  100/ 140
Core:   2   Sample Depth:    29.62
Sect:  1    Analyst Name: Laverne, C.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC BASALT

SiO2    :  49.83    Al2O3:  13.56    Fe2O3(tot):
FeO(tot):  11.75    Fe2O3:   2.06    FeO       :   9.90
MgO     :   7.23    CaO  :  11.10    Na2O      :   2.26
K2O     :   0.13    TiO2 :   1.78    MnO       :   0.22
P2O5    :   0.07    LOI  :           H2O+      :   1.66
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.80    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
H2O not partitioned.
Essential oxides quoted to .01
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.



Leg : 70    Depth to Top of Core(m):    29.50    Piece: 5
Hole: 506G  Top/Bottom Interval(mm):  420/ 450
Core:   2   Sample Depth:    29.94
Sect:  1    Analyst Name: Schrader, E.L.

Analytical Method(s):
  Atomic absorption  Atomic absorption  Atomic absorption

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC TO PLAG SPARSELY PHYRIC BASALT

SiO2    :  50.46    Al2O3:  13.55    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.31    FeO       :  10.28
MgO     :   7.11    CaO  :  11.13    Na2O      :   2.37
K2O     :   0.14    TiO2 :   1.59    MnO       :  0.226
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.17    Magnesium#:

Comments: CORE
Analysis NOT normalized to 100 1n source.
Total water not directly determined.
H2O not partitioned.
H2O is loss on ignition.
Essential oxides quoted to .01
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Initial Reports.
Results are averages for multiple analyses of the specimen.
ship and at one or more shore laboratories or by different techniques.



Leg : 70    Depth to Top of Core(m):    29.50    Piece: 5
Hole: 506G  Top/Bottom Interval(mm):  420/ 450
Core:   2   Sample Depth:    29.94
Sect:  1    Analyst Name: Schrader, E.L.

Analytical Method(s):
  Atomic absorption  Atomic absorption  Atomic absorption

Alteration    Rock type    Rock name
              IGNEOUS      APHYRIC TO PLAG SPARSELY PHYRIC BASALT

SiO2    :  50.77    Al2O3:  13.64    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.61    FeO       :  10.07
MgO     :   7.10    CaO  :  10.74    Na2O      :   2.36
K2O     :   0.15    TiO2 :   1.65    MnO       :  0.226
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.32    Magnesium#:

Comments: ALTERATION RIM
Analysis NOT normalized to 100 1n source.
Total water not directly determined.
H2O not partitioned.
H2O is loss on ignition.
Essential oxides quoted to .01
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Initial Reports.
Results are averages for multiple analyses of the specimen.
ship and at one or more shore laboratories or by different techniques.



Leg : 70    Depth to Top of Core(m):    29.50    Piece: 6
Hole: 506G  Top/Bottom Interval(mm):  490/ 520
Core:   2   Sample Depth:    30.01
Sect:  1    Analyst Name: Laverne, C.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC TO PLAG SPARSELY PHYRIC BASALT

SiO2    :  49.66    Al2O3:  13.60    Fe2O3(tot):
FeO(tot):  11.91    Fe2O3:   2.22    FeO       :   9.91
MgO     :   7.17    CaO  :  11.14    Na2O      :   2.28
K2O     :   0.10    TiO2 :   1.65    MnO       :   0.21
P2O5    :   0.08    LOI  :           H2O+      :   1.15
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.17    Magnesium#:

Comments: ALTERATION RIND PRESENT, SAMPLE TAKEN FROM RIND
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
H2O not partitioned.
Essential oxides quoted to .01
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.



Leg : 70    Depth to Top of Core(m):    29.50    Piece: 6
Hole: 506G  Top/Bottom Interval(mm):  490/ 520
Core:   2   Sample Depth:    30.01
Sect:  1    Analyst Name: Laverne, C.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC TO PLAG SPARSELY PHYRIC BASALT

SiO2    :  50.29    Al2O3:  13.55    Fe2O3(tot):
FeO(tot):  11.77    Fe2O3:   1.85    FeO       :  10.10
MgO     :   7.12    CaO  :  11.16    Na2O      :   2.24
K2O     :   0.15    TiO2 :   1.56    MnO       :   0.18
P2O5    :   0.11    LOI  :           H2O+      :   1.46
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.77    Magnesium#:

Comments: ALTERATION RIND PRESENT SAMPLE TAKEN FROM INTERIOR
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
H2O not partitioned.
Essential oxides quoted to .01
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.



Leg : 70    Depth to Top of Core(m):    29.50    Piece: 7
Hole: 506G  Top/Bottom Interval(mm):  560/ 620
Core:   2   Sample Depth:    30.09
Sect:  1    Analyst Name: Schrader, E.L.

Analytical Method(s):
  Atomic absorption  Atomic absorption  Atomic absorption

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC TO PLAG SPARSELY PHYRIC BASALT

SiO2    :  51.20    Al2O3:  13.41    Fe2O3(tot):
FeO(tot):           Fe2O3:   1.39    FeO       :  12.19
MgO     :   6.76    CaO  :  10.20    Na2O      :   2.43
K2O     :   0.09    TiO2 :   1.93    MnO       :  0.239
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.86    Magnesium#:

Comments: CORE
Analysis NOT normalized to 100 1n source.
Total water not directly determined.
H2O not partitioned.
H2O is loss on ignition.
Essential oxides quoted to .01
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Initial Reports.
Results are averages for multiple analyses of the specimen.
ship and at one or more shore laboratories or by different techniques.



Leg : 70    Depth to Top of Core(m):    29.50    Piece: 7
Hole: 506G  Top/Bottom Interval(mm):  560/ 620
Core:   2   Sample Depth:    30.09
Sect:  1    Analyst Name: Schrader, E.L.

Analytical Method(s):
  Atomic absorption  Atomic absorption  Atomic absorption

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC TO PLAG SPARSELY PHYRIC BASALT

SiO2    :  51.13    Al2O3:  13.57    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.97    FeO       :  10.56
MgO     :   6.70    CaO  :  10.09    Na2O      :   2.50
K2O     :   0.11    TiO2 :   1.92    MnO       :  0.222
P2O5    :           LOI  :   0.11    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.89    Magnesium#:

Comments: ALTERATION RIM
Analysis NOT normalized to 100 1n source.
Total water not directly determined.
H2O not partitioned.
H2O is loss on ignition.
Essential oxides quoted to .01
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Initial Reports.
Results are averages for multiple analyses of the specimen.
ship and at one or more shore laboratories or by different techniques.



Leg : 70    Depth to Top of Core(m):    29.50    Piece: 8
Hole: 506G  Top/Bottom Interval(mm):  650/ 690
Core:   2   Sample Depth:    30.17
Sect:  1    Analyst Name: Emmermann, R.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC TO PLAG SPARSELY PHYRIC BASALT

SiO2    :   50.6    Al2O3:   13.8    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.21    FeO       :   9.84
MgO     :   7.16    CaO  :   11.6    Na2O      :   2.37
K2O     :   0.08    TiO2 :   1.45    MnO       :   0.21
P2O5    :   0.12    LOI  :           H2O+      :   0.34
H2O-    :           CO2  :   0.11    SO3       :
S       :  0.136    Total:  99.89    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
H2O not partitioned.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.



Leg : 70    Depth to Top of Core(m):    29.50    Piece: 8
Hole: 506G  Top/Bottom Interval(mm):  690/ 720
Core:   2   Sample Depth:    30.20
Sect:  1    Analyst Name: Emmermann, R.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC TO PLAG SPARSELY PHYRIC BASALT

SiO2    :   50.5    Al2O3:   13.7    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.00    FeO       :   10.2
MgO     :   7.12    CaO  :   11.6    Na2O      :   2.51
K2O     :   0.07    TiO2 :   1.46    MnO       :   0.20
P2O5    :   0.11    LOI  :           H2O+      :   0.27
H2O-    :           CO2  :   0.07    SO3       :
S       :  0.108    Total:  99.81    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
H2O not partitioned.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.



Leg : 70    Depth to Top of Core(m):    29.50    Piece: 13
Hole: 506G  Top/Bottom Interval(mm): 1070/1100
Core:   2   Sample Depth:    30.59
Sect:  1    Analyst Name: Schrader, E.L.

Analytical Method(s):
  Atomic absorption  Atomic absorption  Atomic absorption

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC TO PLAG SPARSELY PHYRIC BASALT

SiO2    :  50.22    Al2O3:  13.97    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.96    FeO       :  10.06
MgO     :   7.07    CaO  :  11.40    Na2O      :   2.38
K2O     :   0.12    TiO2 :   1.60    MnO       :  0.219
P2O5    :           LOI  :   0.35    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.35    Magnesium#:

Comments: CORE
Analysis NOT normalized to 100 1n source.
Total water not directly determined.
H2O not partitioned.
H2O is loss on ignition.
Essential oxides quoted to .01
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Initial Reports.
Results are averages for multiple analyses of the specimen.
ship and at one or more shore laboratories or by different techniques.



Leg : 70    Depth to Top of Core(m):    29.50    Piece: 13
Hole: 506G  Top/Bottom Interval(mm): 1070/1100
Core:   2   Sample Depth:    30.59
Sect:  1    Analyst Name: Schrader, E.L.

Analytical Method(s):
  Atomic absorption  Atomic absorption  Atomic absorption

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC TO PLAG SPARSELY PHYRIC BASALT

SiO2    :  50.41    Al2O3:  14.04    Fe2O3(tot):
FeO(tot):           Fe2O3:   3.22    FeO       :   9.79
MgO     :   7.21    CaO  :  11.36    Na2O      :   2.41
K2O     :   0.12    TiO2 :   1.59    MnO       :  0.218
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.44    Magnesium#:

Comments: ALTERATION RIM
Analysis NOT normalized to 100 1n source.
Total water not directly determined.
H2O not partitioned.
H2O is loss on ignition.
Essential oxides quoted to .01
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Initial Reports.
Results are averages for multiple analyses of the specimen.
ship and at one or more shore laboratories or by different techniques.



Leg : 70    Depth to Top of Core(m):    29.50    Piece: 15
Hole: 506G  Top/Bottom Interval(mm): 1210/1230
Core:   2   Sample Depth:    30.72
Sect:  1    Analyst Name: Laverne, C.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC TO PLAG SPARSELY PHYRIC BASALT

SiO2    :  50.71    Al2O3:  13.80    Fe2O3(tot):
FeO(tot):  11.48    Fe2O3:   1.86    FeO       :   9.81
MgO     :   7.28    CaO  :  11.24    Na2O      :   2.27
K2O     :   0.13    TiO2 :   1.58    MnO       :   0.19
P2O5    :   0.09    LOI  :           H2O+      :   1.10
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.06    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
H2O not partitioned.
Essential oxides quoted to .01
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.



Leg : 70    Depth to Top of Core(m):    29.50    Piece: 15
Hole: 506G  Top/Bottom Interval(mm): 1230/1240
Core:   2   Sample Depth:    30.74
Sect:  1    Analyst Name: Emmermann, R.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC TO PLAG SPARSELY PHYRIC BASALT

SiO2    :   50.6    Al2O3:   13.8    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.68    FeO       :   9.24
MgO     :   7.20    CaO  :   11.6    Na2O      :   2.31
K2O     :   0.12    TiO2 :   1.44    MnO       :   0.20
P2O5    :   0.12    LOI  :           H2O+      :   0.38
H2O-    :           CO2  :   0.15    SO3       :
S       :  0.110    Total:  99.84    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
H2O not partitioned.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.

intro   areas   data types   legs   holes   documentation   codes


These Web pages are from the Core Data from the Deep Sea Drilling Project Legs 1-96 CD-ROM produced 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, and collocated World Data Center for Marine Geology and Geophysics, Boulder. Data were compiled in cooperation with the U.S. Science Support Program, the Joint Oceanographic Institutions, Inc., and the U.S. National Science Foundation. Please see the NGDC privacy, disclaimer, and copyright notices.