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Core Data from the Deep Sea Drilling Project


Leg : 29    Top Int Depth(mm):  1320       Sand: 010%   Sect:  1
Hole: 280A  Top Core Depth(m):    38.00    Silt: 075%
Core:   1   Sample Depth (m) :    39.32    Clay: 015%

Age : OLIGOCENE
Name: DET SILT RICH DIAT OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
TERRIGENOUS DETRITUS (20%);  QUARTZ (20%);  FELDSPAR (02%);
HEAVY MINERAL (02%);  GLASS (02%);  NANNOFOSSIL (02%);
DIATOM (80%);  SPICULE (02%);  SILICOFLAGELLATE (02%);



Leg : 29    Top Int Depth(mm):   200       Sand: 020%   Sect:  2
Hole: 280A  Top Core Depth(m):    38.00    Silt: 065%
Core:   1   Sample Depth (m) :    39.70    Clay: 015%

Age : OLIGOCENE
Name: DET SILT RICH DIAT OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
TERRIGENOUS DETRITUS (37%);  QUARTZ (35%);  FELDSPAR (02%);
MICA (02%);  HEAVY MINERAL (02%);  CLAY MINERAL (02%);
GLASS (02%);  MICRONODULE (02%);  CARBONATE (02%);
DIATOM (58%);  RADIOLARIA (02%);  SPICULE (02%);
Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
SILICOFLAGELLATE (03%);



Leg : 29    Top Int Depth(mm):   720       Sand: 001%   Sect:  3
Hole: 280A  Top Core Depth(m):    38.00    Silt: 080%
Core:   1   Sample Depth (m) :    41.72    Clay: 009%

Age : OLIGOCENE
Name: DET SILT DIAT OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
TERRIGENOUS DETRITUS (50%);  HEAVY MINERAL (02%);  DIATOM (50%);
RADIOLARIA (02%);



Leg : 29    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 280A  Top Core Depth(m):    38.00    Silt:
Core:   1   Sample Depth (m) :    44.10    Clay:

Age : OLIGOCENE
Name: DET CLAY QTZ SILT RICH DIAT OOZE




Leg : 29    Top Int Depth(mm):     0       Sand: 010%   Sect: CC
Hole: 280A  Top Core Depth(m):    38.00    Silt: 040%
Core:   1   Sample Depth (m) :    44.10    Clay: 050%

Age : OLIGOCENE
Name: DET CLAY QTZ SILT RICH DIAT OOZE

Components:  (, % converted from relative abundance)
======================================================================
TERRIGENOUS DETRITUS (50%);  QUARTZ (25%);  FELDSPAR (05%);
MICA (02%);  HEAVY MINERAL (02%);  CLAY MINERAL (20%);
DIATOM (45%);  RADIOLARIA (02%);  SPICULE (02%);
SILICOFLAGELLATE (02%);



Leg : 29    Top Int Depth(mm):   950       Sand: 002%   Sect:  1
Hole: 280A  Top Core Depth(m):    53.50    Silt: 090%
Core:   2   Sample Depth (m) :    54.45    Clay: 008%

Age : OLIGOCENE
Name: MANGANESE NODULE BEARING DET SILT DIAT OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
TERRIGENOUS DETRITUS (47%);  HEAVY MINERAL (02%);  GLAUCONITE (02%);
MICRONODULE (03%);  DIATOM (50%);  SPICULE (02%);



Leg : 29    Top Int Depth(mm):  1070       Sand: 002%   Sect:  1
Hole: 280A  Top Core Depth(m):    53.50    Silt: 060%
Core:   2   Sample Depth (m) :    54.57    Clay: 038%

Age : OLIGOCENE
Name: DET QTZ SILT RICH DIAT OOZE

Components:  (Minor lithology, % converted from relative abundance)
======================================================================
TERRIGENOUS DETRITUS (45%);  QUARTZ (35%);  MICA (05%);
CLAY MINERAL (05%);  GLASS (02%);  DIATOM (50%);
RADIOLARIA (02%);  SPICULE (03%);



Leg : 29    Top Int Depth(mm):   380       Sand: 015%   Sect:  4
Hole: 280A  Top Core Depth(m):    53.50    Silt: 055%
Core:   2   Sample Depth (m) :    58.38    Clay: 030%

Age : OLIGOCENE
Name: GLAUC DET QTZ SILT RICH DIAT OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
TERRIGENOUS DETRITUS (43%);  QUARTZ (35%);  FELDSPAR (02%);
MICA (01%);  HEAVY MINERAL (02%);  CLAY MINERAL (05%);
GLAUCONITE (15%);  DIATOM (38%);  RADIOLARIA (02%);
SPICULE (01%);  SILICOFLAGELLATE (01%);



Leg : 29    Top Int Depth(mm):     0       Sand: 015%   Sect: CC
Hole: 280A  Top Core Depth(m):    53.50    Silt: 065%
Core:   2   Sample Depth (m) :    62.60    Clay: 020%

Age : OLIGOCENE
Name: DIAT DET SILT

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
TERRIGENOUS DETRITUS (40%);  QUARTZ (40%);  FELDSPAR (02%);
MICA (02%);  HEAVY MINERAL (03%);  CLAY MINERAL (05%);
GLASS (02%);  GLAUCONITE (02%);  MICRONODULE (03%);
DIATOM (40%);  SILICOFLAGELLATE (02%);



Leg : 29    Top Int Depth(mm):  1060       Sand: 005%   Sect:  1
Hole: 280A  Top Core Depth(m):    72.50    Silt: 075%
Core:   3   Sample Depth (m) :    73.56    Clay: 020%

Age : OLIGOCENE
Name: DET CLAY SILT DIAT OOZE

Components:  (Dominant lithology)
======================================================================
TERRIGENOUS DETRITUS (36%);  QUARTZ (20%);  FELDSPAR (02%);
MICA (01%);  CLAY MINERAL (13%);  GLAUCONITE (02%);
DIATOM (55%);  RADIOLARIA (04%);  SPICULE (02%);
SILICOFLAGELLATE (01%);



Leg : 29    Top Int Depth(mm):  1110       Sand: 010%   Sect:  5
Hole: 280A  Top Core Depth(m):    72.50    Silt: 060%
Core:   3   Sample Depth (m) :    79.61    Clay: 030%

Age : OLIGOCENE
Name: DET QTZ SILT RICH DIAT OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
TERRIGENOUS DETRITUS (35%);  QUARTZ (30%);  FELDSPAR (02%);
MICA (02%);  HEAVY MINERAL (02%);  CLAY MINERAL (05%);
GLASS (02%);  GLAUCONITE (04%);  MICRONODULE (05%);
DIATOM (50%);  RADIOLARIA (01%);  SPICULE (03%);
Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
SILICOFLAGELLATE (02%);



Leg : 29    Top Int Depth(mm):  1130       Sand: 005%   Sect:  5
Hole: 280A  Top Core Depth(m):    72.50    Silt: 065%
Core:   3   Sample Depth (m) :    79.63    Clay: 030%

Age : OLIGOCENE
Name: DET QTZ SILT RICH DIAT OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
TERRIGENOUS DETRITUS (30%);  QUARTZ (25%);  FELDSPAR (01%);
HEAVY MINERAL (01%);  CLAY MINERAL (05%);  GLAUCONITE (02%);
MICRONODULE (02%);  DIATOM (60%);  RADIOLARIA (02%);
SPICULE (02%);  SILICOFLAGELLATE (02%);



Leg : 29    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 280A  Top Core Depth(m):    72.50    Silt:
Core:   3   Sample Depth (m) :    80.10    Clay:

Age : OLIGOCENE
Name: DET CLAY SILT DIAT OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
GLAUCONITE (60%);  QUARTZ (35%);  ROCK FRAGMENT (04%);
GLASS (02%);  BIOTITE (02%);  GARNET (02%);



Leg : 29    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 280A  Top Core Depth(m):    72.50    Silt:
Core:   3   Sample Depth (m) :    80.10    Clay:

Age : OLIGOCENE
Name: DET CLAY SILT DIAT OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
GLAUCONITE (60%);  QUARTZ (35%);  ROCK FRAGMENT (04%);
GLASS (02%);  BIOTITE (02%);  GARNET (02%);



Leg : 29    Top Int Depth(mm):     0       Sand: 010%   Sect: CC
Hole: 280A  Top Core Depth(m):    72.50    Silt: 060%
Core:   3   Sample Depth (m) :    80.10    Clay: 030%

Age : OLIGOCENE
Name: DET CLAY SILT DIAT OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (35%);  FELDSPAR (02%);  CLAY MINERAL (15%);
GLAUCONITE (02%);  MICRONODULE (02%);  DIATOM (50%);
RADIOLARIA (02%);  SPICULE (02%);  SILICOFLAGELLATE (02%);



Leg : 29    Top Int Depth(mm):  1440       Sand: 020%   Sect:  3
Hole: 280A  Top Core Depth(m):    82.00    Silt: 050%
Core:   4   Sample Depth (m) :    86.44    Clay: 030%

Age : OLIGOCENE
Name: GLAUC BEARING DET QTZ SILT RICH DIAT OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (30%);  FELDSPAR (02%);  MICA (02%);
CLAY MINERAL (05%);  GLAUCONITE (10%);  MICRONODULE (03%);
DIATOM (50%);  RADIOLARIA (01%);  SPICULE (01%);



Leg : 29    Top Int Depth(mm):     0       Sand: 002%   Sect: CC
Hole: 280A  Top Core Depth(m):    82.00    Silt: 090%
Core:   4   Sample Depth (m) :    89.60    Clay: 008%

Age : OLIGOCENE
Name: MANGANESE NODULE RAD BEARING DET SILT DIAT OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
HEAVY MINERAL (02%);  MICRONODULE (02%);  DIATOM (50%);
RADIOLARIA (03%);  SPICULE (02%);



Leg : 29    Top Int Depth(mm):  1400       Sand: 002%   Sect:  1
Hole: 280A  Top Core Depth(m):    91.50    Silt: 090%
Core:   5   Sample Depth (m) :    92.90    Clay: 008%

Age : OLIGOCENE
Name: RAD BEARING DET SILT DIAT OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
TERRIGENOUS DETRITUS (44%);  HEAVY MINERAL (02%);  GLAUCONITE (02%);
MICRONODULE (01%);  DIATOM (50%);  RADIOLARIA (05%);



Leg : 29    Top Int Depth(mm):     0       Sand: 002%   Sect: CC
Hole: 280A  Top Core Depth(m):    91.50    Silt: 090%
Core:   5   Sample Depth (m) :    94.60    Clay: 008%

Age : OLIGOCENE
Name: MANGANESE NODULE RAD BEARING DIAT DET SILT

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
GLAUCONITE (02%);  MICRONODULE (02%);  DIATOM (43%);
RADIOLARIA (05%);  SPICULE (02%);



Leg : 29    Top Int Depth(mm):     0       Sand: 002%   Sect: CC
Hole: 280A  Top Core Depth(m):    91.50    Silt: 090%
Core:   5   Sample Depth (m) :    94.60    Clay: 008%

Age : OLIGOCENE
Name: MANGANESE NODULE RAD BEARING DIAT DET SILT

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
GLAUCONITE (40%);  QUARTZ (15%);  FELDSPAR (02%);
MICA (01%);  HORNBLENDE (02%);  ZIRCON (02%);
FORAMINIFERA (02%);  SPICULE (02%);



Leg : 29    Top Int Depth(mm):  1000       Sand: 002%   Sect:  2
Hole: 280A  Top Core Depth(m):   101.00    Silt: 090%
Core:   6   Sample Depth (m) :   103.50    Clay: 008%

Age : LOWER TERTIARY
Name: RAD BEARING DIAT DET SILT

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
MICA (02%);  HEAVY MINERAL (02%);  TERRIGENOUS DETRITUS (50%);
GLAUCONITE (02%);  MICRONODULE (01%);  DIATOM (46%);
RADIOLARIA (03%);  SPICULE (02%);



Leg : 29    Top Int Depth(mm):     0       Sand: 002%   Sect: CC
Hole: 280A  Top Core Depth(m):   101.00    Silt: 090%
Core:   6   Sample Depth (m) :   105.60    Clay: 008%

Age : LOWER TERTIARY
Name: RAD BEARING DIAT DET SILT

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
MICA (02%);  HEAVY MINERAL (02%);  MICRONODULE (01%);
DIATOM (47%);  RADIOLARIA (02%);  SPICULE (02%);
SILICOFLAGELLATE (02%);



Leg : 29    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 280A  Top Core Depth(m):   101.00    Silt:
Core:   6   Sample Depth (m) :   105.60    Clay:

Age : LOWER TERTIARY

Components:  (Minor lithology, % converted from relative abundance)
======================================================================
MANGANESE (01%);  QUARTZ (01%);  GLAUCONITE (01%);
PYRITE (01%);



Leg : 29    Top Int Depth(mm):     0       Sand: 002%   Sect: CC
Hole: 280A  Top Core Depth(m):   120.00    Silt: 090%
Core:   7   Sample Depth (m) :   126.10    Clay: 008%

Age : LOWER TERTIARY
Name: DIAT DET SILT

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
MICA (02%);  HEAVY MINERAL (02%);  MICRONODULE (01%);
DIATOM (47%);  RADIOLARIA (01%);  SPICULE (01%);
SILICOFLAGELLATE (02%);



Leg : 29    Top Int Depth(mm):  1420       Sand: 005%   Sect:  2
Hole: 280A  Top Core Depth(m):   139.00    Silt: 055%
Core:   8   Sample Depth (m) :   141.92    Clay: 040%

Age : LOWER TERTIARY
Name: DET CLAYEY SILT

Components:  (Dominant lithology)
======================================================================
QUARTZ (53%);  FELDSPAR (05%);  HEAVY MINERAL (02%);
TERRIGENOUS DETRITUS (95%);  GLAUCONITE (05%);



Leg : 29    Top Int Depth(mm):     0       Sand: 002%   Sect: CC
Hole: 280A  Top Core Depth(m):   139.00    Silt: 048%
Core:   8   Sample Depth (m) :   142.10    Clay: 050%

Age : LOWER TERTIARY
Name: SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
TERRIGENOUS DETRITUS (99%);  ZEOLITE (02%);  OPAQUE MINERAL (03%);
GLASS (02%);  GLAUCONITE (02%);  ZIRCON (02%);
HORNBLENDE (02%);  FELDSPAR (01%);



Leg : 29    Top Int Depth(mm):     0       Sand: 002%   Sect: CC
Hole: 280A  Top Core Depth(m):   139.00    Silt: 090%
Core:   8   Sample Depth (m) :   142.10    Clay: 008%

Age : LOWER TERTIARY

Components:  (Minor lithology, % converted from relative abundance)
======================================================================
FELDSPAR (02%);  MICA (02%);  GLASS (02%);
GLAUCONITE (02%);  MICRONODULE (05%);  NANNOFOSSIL (02%);
DIATOM (02%);



Leg : 29    Top Int Depth(mm):     0       Sand: 003%   Sect: CC
Hole: 280A  Top Core Depth(m):   167.50    Silt: 050%
Core:   9   Sample Depth (m) :   169.10    Clay: 047%

Age : LOWER TERTIARY
Name: CLAYEY SILT

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
GLAUCONITE (01%);  OPAQUE MINERAL (03%);  HORNBLENDE (02%);
EPIDOTE (02%);  DIATOM (02%);  NANNOFOSSIL (02%);



Leg : 29    Top Int Depth(mm):     0       Sand: 001%   Sect: CC
Hole: 280A  Top Core Depth(m):   196.00    Silt: 065%
Core:  10   Sample Depth (m) :   205.10    Clay: 035%

Age : UPPER EOCENE
Name: SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
HORNBLENDE (01%);  TOURMALINE (01%);  AUGITE (01%);
GLAUCONITE (02%);  QUARTZ (01%);  FELDSPAR (01%);
MICRONODULE (02%);  PHOSPHATE (07%);  DIATOM (02%);



Leg : 29    Top Int Depth(mm):     0       Sand: 005%   Sect: CC
Hole: 280A  Top Core Depth(m):   215.00    Silt: 060%
Core:  11   Sample Depth (m) :   219.60    Clay: 035%

Age : UPPER EOCENE
Name: CLAY RICH DET QTZ SILT (CLAYEY SILT)

Components:  (Dominant lithology)
======================================================================
QUARTZ (48%);  FELDSPAR (02%);  MICA (10%);
CLAY MINERAL (35%);  GLAUCONITE (05%);



Leg : 29    Top Int Depth(mm):   950       Sand: 040%   Sect:  1
Hole: 280A  Top Core Depth(m):   234.00    Silt: 010%
Core:  12   Sample Depth (m) :   234.95    Clay: 050%

Age : EOCENE
Name: GLAUC SANDY CLAY

Components:  (Minor lithology, % converted from relative abundance)
======================================================================
QUARTZ (02%);  HEAVY MINERAL (02%);  CLAY MINERAL (50%);
GLAUCONITE (45%);  MICRONODULE (03%);



Leg : 29    Top Int Depth(mm):     0       Sand: 050%   Sect: CC
Hole: 280A  Top Core Depth(m):   234.00    Silt: 025%
Core:  12   Sample Depth (m) :   235.60    Clay: 025%

Age : EOCENE
Name: QTZ RICH GLAUC SAND

Components:  (Dominant lithology)
======================================================================
OPAQUE MINERAL (01%);  GLAUCONITE (70%);



Leg : 29    Top Int Depth(mm):   800       Sand:        Sect:  3
Hole: 280A  Top Core Depth(m):   262.50    Silt:
Core:  13   Sample Depth (m) :   266.30    Clay:

Age : EOCENE
Name: QTZ SILT




Leg : 29    Top Int Depth(mm):     0       Sand: 005%   Sect: CC
Hole: 280A  Top Core Depth(m):   262.50    Silt: 050%
Core:  13   Sample Depth (m) :   267.10    Clay: 045%

Age : EOCENE
Name: CLAYEY SILT

Components:  (Dominant lithology)
======================================================================
QUARTZ (40%);  FELDSPAR (05%);  MICA (20%);
HEAVY MINERAL (05%);  CLAY MINERAL (20%);  GLAUCONITE (05%);
MICRONODULE (05%);



Leg : 29    Top Int Depth(mm):   750       Sand: 045%   Sect:  1
Hole: 280A  Top Core Depth(m):   291.00    Silt: 030%
Core:  14   Sample Depth (m) :   291.75    Clay: 025%

Age : EOCENE
Name: GLAUC SILT SAND

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (30%);  FELDSPAR (15%);  MICA (10%);
HEAVY MINERAL (05%);  BIOTITE (01%);  TOURMALINE (01%);
HORNBLENDE (01%);  TERRIGENOUS DETRITUS (60%);  GLAUCONITE (15%);
PYRITE (01%);  CLAY MINERAL (24%);



Leg : 29    Top Int Depth(mm):     0       Sand: 015%   Sect: CC
Hole: 280A  Top Core Depth(m):   291.00    Silt: 060%
Core:  14   Sample Depth (m) :   294.10    Clay: 025%

Age : EOCENE
Name: CLAYEY SILT

Components:  (Dominant lithology)
======================================================================
QUARTZ (50%);  FELDSPAR (05%);  MICA (20%);
CLAY MINERAL (15%);  GLAUCONITE (05%);  MICRONODULE (05%);



Leg : 29    Top Int Depth(mm):     0       Sand: 010%   Sect: CC
Hole: 280A  Top Core Depth(m):   319.50    Silt: 060%
Core:  15   Sample Depth (m) :   324.10    Clay: 030%

Age : EOCENE
Name: CLAYEY SILT

Components:  (Dominant lithology)
======================================================================
QUARTZ (45%);  FELDSPAR (05%);  MICA (10%);
HEAVY MINERAL (05%);  CLAY MINERAL (20%);  GLAUCONITE (05%);
MICRONODULE (10%);



Leg : 29    Top Int Depth(mm):     0       Sand: 005%   Sect: CC
Hole: 280A  Top Core Depth(m):   348.00    Silt: 030%
Core:  16   Sample Depth (m) :   349.60    Clay: 065%

Age : EOCENE
Name: SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (28%);  FELDSPAR (02%);  MICA (10%);
HEAVY MINERAL (05%);  CLAY MINERAL (35%);  GLAUCONITE (05%);
MICRONODULE (15%);  NANNOFOSSIL (02%);



Leg : 29    Top Int Depth(mm):   640       Sand: 010%   Sect:  2
Hole: 280A  Top Core Depth(m):   376.50    Silt: 025%
Core:  17   Sample Depth (m) :   379.14    Clay: 065%

Age : EOCENE
Name: MICROMANGANESE NODE RICH SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (24%);  FELDSPAR (02%);  MICA (03%);
HEAVY MINERAL (02%);  TERRIGENOUS DETRITUS (14%);  CLAY MINERAL (42%);
GLAUCONITE (03%);  MICRONODULE (20%);



Leg : 29    Top Int Depth(mm):  1320       Sand: 002%   Sect:  4
Hole: 280A  Top Core Depth(m):   376.50    Silt: 020%
Core:  17   Sample Depth (m) :   382.82    Clay: 078%

Age : EOCENE
Name: GLAUC MICRONODULE BEARING DET CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (10%);  MICA (01%);  HEAVY MINERAL (02%);
CLAY MINERAL (82%);  GLAUCONITE (02%);  MICRONODULE (05%);



Leg : 29    Top Int Depth(mm):     0       Sand: 010%   Sect: CC
Hole: 280A  Top Core Depth(m):   376.50    Silt: 035%
Core:  17   Sample Depth (m) :   386.10    Clay: 055%

Age : MIDDLE EOCENE
Name: MANGANESE MICRONODULE RICH SILTY CLAY

Components:  (Dominant lithology)
======================================================================
QUARTZ (30%);  FELDSPAR (03%);  MICA (10%);
HEAVY MINERAL (05%);  CLAY MINERAL (73%);  GLAUCONITE (02%);
MICRONODULE (25%);



Leg : 29    Top Int Depth(mm):     0       Sand: 005%   Sect: CC
Hole: 280A  Top Core Depth(m):   405.00    Silt: 065%
Core:  18   Sample Depth (m) :   406.60    Clay: 030%

Age : MIDDLE EOCENE
Name: VOLC GLASS BEARING CLAYEY SILT

Components:  (Dominant lithology)
======================================================================
QUARTZ (48%);  FELDSPAR (07%);  MICA (03%);
HEAVY MINERAL (05%);  CLAY MINERAL (20%);  GLASS (10%);
GLAUCONITE (02%);  MICRONODULE (05%);



Leg : 29    Top Int Depth(mm):   640       Sand: 010%   Sect:  2
Hole: 280A  Top Core Depth(m):   443.00    Silt: 065%
Core:  19   Sample Depth (m) :   445.14    Clay: 025%

Age : MIDDLE EOCENE
Name: CLAYEY SILTSTONE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (50%);  FELDSPAR (02%);  HEAVY MINERAL (02%);
CLAY MINERAL (20%);  GLASS (03%);  GLAUCONITE (10%);
MICRONODULE (15%);



Leg : 29    Top Int Depth(mm):   700       Sand: 010%   Sect:  2
Hole: 280A  Top Core Depth(m):   443.00    Silt: 065%
Core:  19   Sample Depth (m) :   445.20    Clay: 025%

Age : MIDDLE EOCENE
Name: CLAYEY SILTSTONE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (50%);  FELDSPAR (02%);  HEAVY MINERAL (02%);
CLAY MINERAL (20%);  GLASS (03%);  GLAUCONITE (10%);
MICRONODULE (15%);



Leg : 29    Top Int Depth(mm):   710       Sand: 010%   Sect:  2
Hole: 280A  Top Core Depth(m):   443.00    Silt: 065%
Core:  19   Sample Depth (m) :   445.21    Clay: 025%

Age : MIDDLE EOCENE
Name: CLAYEY SILTSTONE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (50%);  FELDSPAR (02%);  HEAVY MINERAL (02%);
CLAY MINERAL (20%);  GLASS (03%);  GLAUCONITE (13%);
MICRONODULE (15%);



Leg : 29    Top Int Depth(mm):     0       Sand: 010%   Sect: CC
Hole: 280A  Top Core Depth(m):   443.00    Silt: 030%
Core:  19   Sample Depth (m) :   452.10    Clay: 060%

Age : MIDDLE EOCENE
Name: MICRO NODULE BEARING DET SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (15%);  FELDSPAR (02%);  HEAVY MINERAL (02%);
CLAY MINERAL (75%);  GLAUCONITE (02%);  MICRONODULE (07%);



Leg : 29    Top Int Depth(mm):     0       Sand: 010%   Sect: CC
Hole: 280A  Top Core Depth(m):   481.00    Silt: 040%
Core:  20   Sample Depth (m) :   485.60    Clay: 050%

Age : MIDDLE EOCENE
Name: MICRONODULE BEARING DET SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (40%);  FELDSPAR (02%);  MICA (02%);
HEAVY MINERAL (02%);  CLAY MINERAL (53%);  GLAUCONITE (02%);
MICRONODULE (05%);



Leg : 29    Top Int Depth(mm):     0       Sand: 015%   Sect: CC
Hole: 280A  Top Core Depth(m):   509.50    Silt: 060%
Core:  21   Sample Depth (m) :   512.60    Clay: 025%

Age : MIDDLE EOCENE
Name: SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (50%);  FELDSPAR (05%);  MICA (05%);
HEAVY MINERAL (02%);  CLAY MINERAL (25%);  GLAUCONITE (05%);
MICRONODULE (10%);



Leg : 29    Top Int Depth(mm):   700       Sand: 007%   Sect:  1
Hole: 280A  Top Core Depth(m):   512.50    Silt: 043%
Core:  22   Sample Depth (m) :   513.20    Clay: 050%

Age : MIDDLE EOCENE
Name: CLACITE MICRONODULE BEARING DET SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (50%);  MICA (02%);  HEAVY MINERAL (02%);
CLAY MINERAL (40%);  GLAUCONITE (02%);  MICRONODULE (07%);
CARBONATE (02%);



Leg : 29    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 280A  Top Core Depth(m):   512.50    Silt:
Core:  22   Sample Depth (m) :   514.10    Clay:

Age : MIDDLE EOCENE
Name: SILTY CLAYSTONE

Components:  (, % converted from relative abundance)
======================================================================
QUARTZ (29%);  FELDSPAR (02%);  MICA (02%);
HEAVY MINERAL (02%);  CLAY MINERAL (60%);  PYRITE (01%);
MICRONODULE (10%);  CARBONATE (01%);



Leg : 29    Top Int Depth(mm):     0       Sand: 010%   Sect: CC
Hole: 280A  Top Core Depth(m):   512.50    Silt: 040%
Core:  22   Sample Depth (m) :   514.10    Clay: 050%

Age : MIDDLE EOCENE
Name: CALCITE MICRO NODULE BEARING DET SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (50%);  MICA (02%);  CLAY MINERAL (38%);
MICRONODULE (07%);  CARBONATE (05%);



Leg : 29    Top Int Depth(mm):  1390       Sand:        Sect:  2
Hole: 280A  Top Core Depth(m):   519.00    Silt:
Core:  23   Sample Depth (m) :   521.89    Clay:

Name: ALTERED SILTY CLAYSTONE

Components:  (Minor lithology, % converted from relative abundance)
======================================================================
QUARTZ (35%);  FELDSPAR (20%);  MICA (45%);
CARBONATE (02%);  OPAQUE MINERAL (01%);  MICRONODULE (01%);



Leg : 29    Top Int Depth(mm):   460       Sand:        Sect:  3
Hole: 280A  Top Core Depth(m):   519.00    Silt:
Core:  23   Sample Depth (m) :   522.46    Clay:

Name: MINERALIZED CLAY SILTSTONE ALTERED




Leg : 29    Top Int Depth(mm):  1230       Sand: 001%   Sect:  3
Hole: 280A  Top Core Depth(m):   519.00    Silt: 040%
Core:  23   Sample Depth (m) :   523.23    Clay: 060%

Name: QTZ CLAY MINERAL SILT CLAYSTONE

Components:  (Minor lithology)
======================================================================
QUARTZ (25%);  FELDSPAR (12%);  MICA (10%);
CLAY MINERAL (50%);  MICRONODULE (03%);



Leg : 29    Top Int Depth(mm):  1430       Sand: 020%   Sect:  3
Hole: 280A  Top Core Depth(m):   519.00    Silt: 065%
Core:  23   Sample Depth (m) :   523.43    Clay: 015%

Name: GLAUC MICRO NODULE BEARING CALCITE CEMENTED SANDY SILTSTONE

Components:  (Minor lithology, % converted from relative abundance)
======================================================================
QUARTZ (01%);  FELDSPAR (01%);  MICA (01%);
CLAY MINERAL (01%);  GLAUCONITE (01%);  MICRONODULE (01%);
CARBONATE (40%);



Leg : 29    Top Int Depth(mm):   230       Sand:        Sect:  4
Hole: 280A  Top Core Depth(m):   519.00    Silt:
Core:  23   Sample Depth (m) :   523.73    Clay:

Name: SILTY CLAYSTONE




Leg : 29    Top Int Depth(mm):  1100       Sand:        Sect:  4
Hole: 280A  Top Core Depth(m):   519.00    Silt:
Core:  23   Sample Depth (m) :   524.60    Clay:

Name: WHITE SATIN SPAR CALCITE VEIN

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