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 : 31    Top Int Depth(mm):     0       Sand: 050%   Sect: CC
Hole: 298   Top Core Depth(m):     0.00    Silt: 040%
Core:   1   Sample Depth (m) :     1.60    Clay: 010%

Age : QUATERNARY
Name: SILTY SAND

Components:  (Dominant lithology)
======================================================================
QUARTZ (20%);  FELDSPAR (05%);  MICA (05%);
HEAVY MINERAL (18%);  CLAY MINERAL (10%);  ROCK FRAGMENT (25%);
GLASS (05%);



Leg : 31    Top Int Depth(mm):     0       Sand: 010%   Sect: CC
Hole: 298   Top Core Depth(m):     0.00    Silt: 085%
Core:   1   Sample Depth (m) :     1.60    Clay: 005%

Age : QUATERNARY
Name: LIMESTONE

Components:  (Minor lithology)
======================================================================
FELDSPAR (10%);  MICA (01%);  CLAY MINERAL (10%);
CARBONATE (79%);



Leg : 31    Top Int Depth(mm):     0       Sand: 070%   Sect: CC
Hole: 298   Top Core Depth(m):     0.00    Silt: 015%
Core:   1   Sample Depth (m) :     1.60    Clay: 015%

Age : QUATERNARY
Name: CALCAREOUS SILT RICH SANDSTONE

Components:  (Minor lithology)
======================================================================
QUARTZ (45%);  FELDSPAR (25%);  MICA (08%);
HEAVY MINERAL (02%);  CLAY MINERAL (05%);  CARBONATE (15%);
FORAMINIFERA (00%);



Leg : 31    Top Int Depth(mm):   150       Sand: 070%   Sect:  2
Hole: 298   Top Core Depth(m):   126.50    Silt: 010%
Core:   2   Sample Depth (m) :   128.15    Clay: 030%

Age : QUATERNARY
Name: CLAYEY SAND

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (29%);  FELDSPAR (15%);  MICA (01%);
HEAVY MINERAL (03%);  CLAY MINERAL (25%);  ROCK FRAGMENT (20%);
GLAUCONITE (01%);  CARBONATE (02%);  NANNOFOSSIL (01%);
DIATOM (01%);  PLANT DEBRIS (03%);



Leg : 31    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 298   Top Core Depth(m):   126.50    Silt: 015%
Core:   2   Sample Depth (m) :   132.60    Clay: 085%

Age : QUATERNARY
Name: SILTY RICH CLAYSTONE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (07%);  FELDSPAR (02%);  CLAY MINERAL (85%);
GLASS (05%);  BASALT (02%);  NANNOFOSSIL (02%);
SPICULE (02%);



Leg : 31    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 298   Top Core Depth(m):   126.50    Silt: 025%
Core:   2   Sample Depth (m) :   132.60    Clay: 075%

Age : QUATERNARY
Name: SILTY CLAY

Components:  (Dominant lithology)
======================================================================
QUARTZ (15%);  FELDSPAR (05%);  CLAY MINERAL (60%);
GLASS (10%);  GLAUCONITE (01%);  ZEOLITE (01%);
FORAMINIFERA (01%);  DIATOM (03%);  RADIOLARIA (01%);
SPICULE (01%);



Leg : 31    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 298   Top Core Depth(m):   126.50    Silt: 020%
Core:   2   Sample Depth (m) :   132.60    Clay: 080%

Age : QUATERNARY
Name: SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (06%);  FELDSPAR (06%);  HEAVY MINERAL (02%);
CLAY MINERAL (59%);  GLASS (05%);  GLAUCONITE (02%);
CARBONATE (01%);  FORAMINIFERA (01%);  NANNOFOSSIL (08%);
DIATOM (05%);  RADIOLARIA (01%);  SPICULE (02%);
Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
PLANT DEBRIS (06%);



Leg : 31    Top Int Depth(mm):     0       Sand: 015%   Sect: CC
Hole: 298   Top Core Depth(m):   174.00    Silt: 020%
Core:   3   Sample Depth (m) :   175.60    Clay: 065%

Age : QUATERNARY
Name: CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
MICA (05%);  CLAY MINERAL (56%);  GLASS (07%);
ROCK FRAGMENT (03%);  GLAUCONITE (02%);  FORAMINIFERA (02%);
NANNOFOSSIL (01%);  RADIOLARIA (02%);  SPICULE (01%);



Leg : 31    Top Int Depth(mm):   200       Sand:        Sect:  1
Hole: 298   Top Core Depth(m):   183.50    Silt:
Core:   4   Sample Depth (m) :   183.70    Clay: 100%

Age : UPPER PLEISTOCENE
Name: CLAYEY LIMESTONE

Components:  (Minor lithology, % converted from relative abundance)
======================================================================
QUARTZ (02%);  CLAY MINERAL (25%);  CARBONATE (75%);



Leg : 31    Top Int Depth(mm):   800       Sand: 005%   Sect:  3
Hole: 298   Top Core Depth(m):   183.50    Silt: 030%
Core:   4   Sample Depth (m) :   187.30    Clay: 065%

Age : UPPER PLEISTOCENE
Name: SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (25%);  FELDSPAR (05%);  MICA (01%);
HEAVY MINERAL (03%);  CLAY MINERAL (40%);  GLASS (05%);
GLAUCONITE (02%);  ZEOLITE (01%);  CARBONATE (01%);
FORAMINIFERA (02%);  NANNOFOSSIL (15%);  DIATOM (02%);
Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
RADIOLARIA (03%);  SPICULE (01%);



Leg : 31    Top Int Depth(mm):  1470       Sand: 075%   Sect:  3
Hole: 298   Top Core Depth(m):   183.50    Silt: 020%
Core:   4   Sample Depth (m) :   187.97    Clay: 005%

Age : UPPER PLEISTOCENE
Name: SILT RICH SAND

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (10%);  FELDSPAR (01%);  HEAVY MINERAL (05%);
CLAY MINERAL (10%);  GLASS (02%);  ROCK FRAGMENT (68%);
GLAUCONITE (02%);  CARBONATE (02%);  FORAMINIFERA (02%);
SILICOFLAGELLATE (02%);



Leg : 31    Top Int Depth(mm):     0       Sand: 010%   Sect: CC
Hole: 298   Top Core Depth(m):   183.50    Silt: 025%
Core:   4   Sample Depth (m) :   189.60    Clay: 065%

Age : UPPER PLEISTOCENE
Name: SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (20%);  FELDSPAR (05%);  MICA (03%);
CLAY MINERAL (32%);  GLASS (05%);  ROCK FRAGMENT (10%);
GLAUCONITE (02%);  CARBONATE (05%);  NANNOFOSSIL (10%);
DIATOM (02%);  RADIOLARIA (02%);  SPICULE (02%);
Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
PLANT DEBRIS (03%);



Leg : 31    Top Int Depth(mm):   900       Sand: 075%   Sect:  2
Hole: 298   Top Core Depth(m):   193.00    Silt: 020%
Core:   5   Sample Depth (m) :   195.40    Clay: 005%

Age : UPPER PLEISTOCENE
Name: VOLCANIC ASH

Components:  (Minor lithology, % converted from relative abundance)
======================================================================
QUARTZ (07%);  HEAVY MINERAL (01%);  CLAY MINERAL (02%);
GLASS (86%);  ROCK FRAGMENT (03%);  GLAUCONITE (01%);
CARBONATE (01%);  NANNOFOSSIL (02%);



Leg : 31    Top Int Depth(mm):   930       Sand: 045%   Sect:  2
Hole: 298   Top Core Depth(m):   193.00    Silt: 020%
Core:   5   Sample Depth (m) :   195.43    Clay: 035%

Age : UPPER PLEISTOCENE
Name: CLAYEY SAND

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (35%);  FELDSPAR (05%);  MICA (01%);
ROCK FRAGMENT (20%);  CLAY MINERAL (40%);  ZEOLITE (01%);
CARBONATE (02%);  SPICULE (00%);



Leg : 31    Top Int Depth(mm):     0       Sand: 005%   Sect: CC
Hole: 298   Top Core Depth(m):   193.00    Silt: 030%
Core:   5   Sample Depth (m) :   196.10    Clay: 065%

Age : UPPER PLEISTOCENE
Name: SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
MICA (02%);  CLAY MINERAL (60%);  GLASS (01%);
GLAUCONITE (02%);  CARBONATE (01%);  FORAMINIFERA (02%);
NANNOFOSSIL (10%);  RADIOLARIA (01%);



Leg : 31    Top Int Depth(mm):   960       Sand: 002%   Sect:  1
Hole: 298   Top Core Depth(m):   278.50    Silt: 020%
Core:   6   Sample Depth (m) :   279.46    Clay: 078%

Age : UPPER PLEISTOCENE
Name: SILT-RICH CLAY

Components:  (Dominant lithology)
======================================================================
QUARTZ (15%);  FELDSPAR (05%);  HEAVY MINERAL (10%);
CLAY MINERAL (62%);  NANNOFOSSIL (04%);  DIATOM (01%);
RADIOLARIA (02%);  SPICULE (01%);



Leg : 31    Top Int Depth(mm):     0       Sand: 010%   Sect: CC
Hole: 298   Top Core Depth(m):   278.50    Silt: 025%
Core:   6   Sample Depth (m) :   281.60    Clay: 065%

Age : UPPER PLEISTOCENE
Name: SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (20%);  FELDSPAR (03%);  MICA (01%);
CLAY MINERAL (59%);  GLASS (03%);  ROCK FRAGMENT (02%);
GLAUCONITE (01%);  ZEOLITE (02%);  CARBONATE (02%);
NANNOFOSSIL (02%);  DIATOM (01%);  RADIOLARIA (02%);
Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
SPICULE (01%);



Leg : 31    Top Int Depth(mm):   670       Sand:        Sect:  1
Hole: 298   Top Core Depth(m):   297.50    Silt: 010%
Core:   7   Sample Depth (m) :   298.17    Clay: 090%

Age : MIDDLE PLEISTOCENE
Name: CLAYSTONE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (02%);  FELDSPAR (08%);  HEAVY MINERAL (01%);
CLAY MINERAL (86%);  GLASS (03%);  CARBONATE (02%);
DIATOM (02%);  RADIOLARIA (02%);  SPICULE (02%);



Leg : 31    Top Int Depth(mm):  1350       Sand:        Sect:  1
Hole: 298   Top Core Depth(m):   316.50    Silt: 020%
Core:   8   Sample Depth (m) :   317.85    Clay: 075%

Age : LOWER PLEISTOCENE
Name: CLAYSTONE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (10%);  FELDSPAR (05%);  MICA (05%);
CLAY MINERAL (68%);  GLASS (02%);  NANNOFOSSIL (04%);
RADIOLARIA (02%);  SPICULE (05%);



Leg : 31    Top Int Depth(mm):   730       Sand:        Sect:  1
Hole: 298   Top Core Depth(m):   335.50    Silt: 080%
Core:   9   Sample Depth (m) :   336.23    Clay: 020%

Age : LOWER PLEISTOCENE
Name: CLAY NANNO RICH FINE VITRIC ASH TUFF

Components:  (Minor lithology, % converted from relative abundance)
======================================================================
FELDSPAR (06%);  HEAVY MINERAL (01%);  CLAY MINERAL (20%);
GLASS (55%);  CARBONATE (02%);  FORAMINIFERA (01%);
NANNOFOSSIL (15%);  DIATOM (02%);  RADIOLARIA (02%);
SPICULE (02%);



Leg : 31    Top Int Depth(mm):   750       Sand:        Sect:  2
Hole: 298   Top Core Depth(m):   335.50    Silt: 060%
Core:   9   Sample Depth (m) :   337.75    Clay: 040%

Age : LOWER PLEISTOCENE
Name: ASH-RICH CLAY SHALE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (08%);  FELDSPAR (20%);  HEAVY MINERAL (02%);
CLAY MINERAL (40%);  GLASS (26%);  OPAQUE MINERAL (03%);
GLAUCONITE (02%);  CARBONATE (01%);  NANNOFOSSIL (02%);
SPICULE (02%);



Leg : 31    Top Int Depth(mm):   400       Sand: 005%   Sect:  3
Hole: 298   Top Core Depth(m):   364.00    Silt: 090%
Core:  10   Sample Depth (m) :   367.40    Clay: 005%

Age : LOWER PLEISTOCENE
Name: VOLCANIC ASH

Components:  (Minor lithology)
======================================================================
FELDSPAR (58%);  AMPHIBOLE (12%);  IRON (10%);
GLASS (20%);



Leg : 31    Top Int Depth(mm):  1450       Sand: 085%   Sect:  3
Hole: 298   Top Core Depth(m):   364.00    Silt: 010%
Core:  10   Sample Depth (m) :   368.45    Clay: 005%

Age : LOWER PLEISTOCENE
Name: SAND

Components:  (Minor lithology, % converted from relative abundance)
======================================================================
QUARTZ (10%);  FELDSPAR (30%);  HEAVY MINERAL (34%);
ROCK FRAGMENT (05%);  GLASS (10%);  CLAY MINERAL (10%);
FORAMINIFERA (01%);  RADIOLARIA (02%);  SPICULE (02%);



Leg : 31    Top Int Depth(mm):   400       Sand:        Sect:  4
Hole: 298   Top Core Depth(m):   364.00    Silt: 010%
Core:  10   Sample Depth (m) :   368.90    Clay: 090%

Age : LOWER PLEISTOCENE
Name: CLAY

Components:  (Dominant lithology)
======================================================================
FELDSPAR (15%);  HEAVY MINERAL (15%);  GLASS (25%);
CLAY MINERAL (40%);  NANNOFOSSIL (01%);  DIATOM (02%);
SPICULE (03%);



Leg : 31    Top Int Depth(mm):   500       Sand: 065%   Sect:  5
Hole: 298   Top Core Depth(m):   421.00    Silt: 025%
Core:  12   Sample Depth (m) :   427.50    Clay: 010%

Age : LOWER PLEISTOCENE
Name: SILTY SAND

Components:  (Minor lithology, % converted from relative abundance)
======================================================================
QUARTZ (35%);  FELDSPAR (05%);  HEAVY MINERAL (15%);
ROCK FRAGMENT (25%);  GLASS (10%);  CLAY MINERAL (18%);
GLAUCONITE (02%);  CARBONATE (01%);  FORAMINIFERA (02%);
DIATOM (02%);  RADIOLARIA (02%);  SPICULE (01%);



Leg : 31    Top Int Depth(mm):     0       Sand: 005%   Sect: CC
Hole: 298   Top Core Depth(m):   421.00    Silt: 010%
Core:  12   Sample Depth (m) :   428.60    Clay: 085%

Age : LOWER PLEISTOCENE
Name: CLAYSTONE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (15%);  FELDSPAR (05%);  MICA (03%);
HEAVY MINERAL (02%);  CLAY MINERAL (65%);  GLASS (03%);
GLAUCONITE (02%);  PYRITE (02%);  ZEOLITE (02%);
NANNOFOSSIL (03%);  DIATOM (02%);  RADIOLARIA (01%);
Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
SPICULE (01%);



Leg : 31    Top Int Depth(mm):   750       Sand: 045%   Sect:  4
Hole: 298   Top Core Depth(m):   468.50    Silt: 025%
Core:  13   Sample Depth (m) :   473.75    Clay: 030%

Age : LOWER PLEISTOCENE
Name: SAND SILT CLAY

Components:  (Minor lithology, % converted from relative abundance)
======================================================================
QUARTZ (25%);  FELDSPAR (10%);  MICA (02%);
HEAVY MINERAL (04%);  ROCK FRAGMENT (20%);  CLAY MINERAL (32%);
GLAUCONITE (02%);  CARBONATE (03%);  FORAMINIFERA (01%);
RADIOLARIA (02%);  SPICULE (01%);



Leg : 31    Top Int Depth(mm):   550       Sand: 005%   Sect:  5
Hole: 298   Top Core Depth(m):   468.50    Silt: 025%
Core:  13   Sample Depth (m) :   475.05    Clay: 070%

Age : LOWER PLEISTOCENE
Name: SILT RICH CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (25%);  FELDSPAR (05%);  MICA (02%);
HEAVY MINERAL (03%);  CLAY MINERAL (45%);  ZEOLITE (02%);
CARBONATE (05%);  FORAMINIFERA (01%);  NANNOFOSSIL (10%);
RADIOLARIA (02%);  SPICULE (01%);



Leg : 31    Top Int Depth(mm):     0       Sand: 005%   Sect: CC
Hole: 298   Top Core Depth(m):   468.50    Silt: 010%
Core:  13   Sample Depth (m) :   476.10    Clay: 085%

Age : LOWER PLEISTOCENE
Name: CLAYSTONE (SHALE)

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (10%);  MICA (07%);  HEAVY MINERAL (05%);
CLAY MINERAL (67%);  GLASS (02%);  ROCK FRAGMENT (01%);
ZEOLITE (02%);  CARBONATE (05%);  DIATOM (02%);
RADIOLARIA (02%);  SPICULE (01%);



Leg : 31    Top Int Depth(mm):  1070       Sand:        Sect:  2
Hole: 298   Top Core Depth(m):   516.00    Silt: 015%
Core:  14   Sample Depth (m) :   518.57    Clay: 085%

Age : LOWER PLEISTOCENE
Name: SILT RICH CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (15%);  FELDSPAR (03%);  MICA (01%);
HEAVY MINERAL (02%);  CLAY MINERAL (64%);  GLAUCONITE (02%);
CARBONATE (10%);  FORAMINIFERA (02%);  NANNOFOSSIL (05%);
RADIOLARIA (02%);  SPICULE (02%);



Leg : 31    Top Int Depth(mm):     0       Sand: 007%   Sect: CC
Hole: 298   Top Core Depth(m):   516.00    Silt: 020%
Core:  14   Sample Depth (m) :   522.10    Clay: 073%

Age : LOWER PLEISTOCENE
Name: SILT RICH CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (15%);  FELDSPAR (05%);  MICA (02%);
HEAVY MINERAL (02%);  CLAY MINERAL (63%);  GLAUCONITE (02%);
ZEOLITE (01%);  CARBONATE (05%);  FORAMINIFERA (02%);
NANNOFOSSIL (05%);  DIATOM (02%);  RADIOLARIA (01%);
Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
SPICULE (01%);



Leg : 31    Top Int Depth(mm):  1300       Sand:        Sect:  2
Hole: 298   Top Core Depth(m):   601.50    Silt: 020%
Core:  16   Sample Depth (m) :   604.30    Clay: 080%

Age : LOWER PLEISTOCENE
Name: MUDSTONE

Components:  (Dominant lithology)
======================================================================
QUARTZ (05%);  FELDSPAR (30%);  HEAVY MINERAL (20%);
CLAY MINERAL (15%);  ROCK FRAGMENT (10%);  GLASS (15%);
CARBONATE (02%);  NANNOFOSSIL (03%);



Leg : 31    Top Int Depth(mm):   800       Sand:        Sect:  5
Hole: 298   Top Core Depth(m):   601.50    Silt: 010%
Core:  16   Sample Depth (m) :   608.30    Clay: 090%

Age : LOWER PLEISTOCENE
Name: CLAYSTONE

Components:  (Dominant lithology)
======================================================================
QUARTZ (05%);  FELDSPAR (20%);  HEAVY MINERAL (00%);
CLAY MINERAL (47%);  GLASS (15%);  NANNOFOSSIL (03%);

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