Core Data from the Deep Sea Drilling Project

Leg : 25    Top Int Depth(mm):   800       Sand:        Sect:  1
Hole: 245A  Top Core Depth(m):    26.00    Silt: 010%
Core:   1   Sample Depth (m) :    27.10    Clay: 090%

Name: BROWN SILT BEARING CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (01%);  HEAVY MINERAL (02%);  CLAY MINERAL (98%);
OPAQUE MINERAL (02%);  IRON (01%);  SPICULE (00%);



Leg : 25    Top Int Depth(mm):  1350       Sand:        Sect:  3
Hole: 245A  Top Core Depth(m):    26.00    Silt: 010%
Core:   1   Sample Depth (m) :    30.65    Clay: 090%

Name: BROWN SILT BEARING CLAY

Components:  (Dominant lithology)
======================================================================
QUARTZ (03%);  CLAY MINERAL (95%);  OPAQUE MINERAL (00%);
IRON (03%);  NANNOFOSSIL (01%);



Leg : 25    Top Int Depth(mm):   420       Sand:        Sect:  4
Hole: 245A  Top Core Depth(m):    26.00    Silt: 030%
Core:   1   Sample Depth (m) :    31.22    Clay: 070%

Name: FORAM NANNO BROWN SILT RICH CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (15%);  MICA (05%);  CLAY MINERAL (67%);
CARBONATE (04%);  FORAMINIFERA (05%);  NANNOFOSSIL (03%);



Leg : 25    Top Int Depth(mm):   900       Sand:        Sect:  4
Hole: 245A  Top Core Depth(m):    26.00    Silt: 030%
Core:   1   Sample Depth (m) :    31.70    Clay: 070%

Name: SILT-RICH TO SILTY CLAY

Components:  (Minor lithology, % converted from relative abundance)
======================================================================
MICA (05%);  HEAVY MINERAL (01%);  CLAY MINERAL (78%);
OPAQUE MINERAL (01%);  IRON (00%);  LIMONITE (00%);
NANNOFOSSIL (02%);



Leg : 25    Top Int Depth(mm):  1470       Sand:        Sect:  4
Hole: 245A  Top Core Depth(m):    26.00    Silt: 030%
Core:   1   Sample Depth (m) :    32.27    Clay: 070%

Name: SILTY CLAY

Components:  (Dominant lithology)
======================================================================
QUARTZ (25%);  MICA (15%);  ZEOLITE (00%);



Leg : 25    Top Int Depth(mm):   730       Sand:        Sect:  5
Hole: 245A  Top Core Depth(m):    26.00    Silt: 035%
Core:   1   Sample Depth (m) :    33.03    Clay: 065%

Name: SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (15%);  FELDSPAR (02%);  MICA (20%);
OPAQUE MINERAL (03%);  IRON (02%);  CLAY MINERAL (62%);
NANNOFOSSIL (02%);



Leg : 25    Top Int Depth(mm):   800       Sand:        Sect:  6
Hole: 245A  Top Core Depth(m):    26.00    Silt: 015%
Core:   1   Sample Depth (m) :    34.60    Clay: 085%

Name: SILT-RICH CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
HEAVY MINERAL (02%);  OPAQUE MINERAL (02%);  IRON (02%);
NANNOFOSSIL (02%);



Leg : 25    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 245A  Top Core Depth(m):    26.00    Silt:
Core:   1   Sample Depth (m) :    35.40    Clay:

Name: BROWN SILT BEARING CLAY

Components:  (Dominant lithology)
======================================================================
QUARTZ (05%);  FELDSPAR (05%);  MICA (05%);
TERRIGENOUS DETRITUS (05%);  CLAY MINERAL (94%);  NANNOFOSSIL (01%);



Leg : 25    Top Int Depth(mm):   100       Sand:        Sect:  1
Hole: 245A  Top Core Depth(m):    54.00    Silt: 025%
Core:   2   Sample Depth (m) :    54.10    Clay: 075%

Age : UPPER EOCENE
Name: SILTY CLAY

Components:  (Dominant lithology)
======================================================================
QUARTZ (20%);  FELDSPAR (05%);  MICA (05%);
OPAQUE MINERAL (02%);  IRON (01%);



Leg : 25    Top Int Depth(mm):   240       Sand:        Sect:  2
Hole: 245A  Top Core Depth(m):    54.00    Silt: 040%
Core:   2   Sample Depth (m) :    55.74    Clay: 060%

Age : UPPER EOCENE
Name: SILTY CLAY

Components:  (Dominant lithology)
======================================================================
QUARTZ (15%);  FELDSPAR (05%);  MICA (15%);
IRON (01%);  OPAQUE MINERAL (05%);  CLAY MINERAL (59%);



Leg : 25    Top Int Depth(mm):   240       Sand:        Sect:  2
Hole: 245A  Top Core Depth(m):    54.00    Silt: 005%
Core:   2   Sample Depth (m) :    55.74    Clay: 095%

Age : UPPER EOCENE
Name: MN NODULE

Components:  (Minor lithology)
======================================================================
QUARTZ (04%);  OPAQUE MINERAL (35%);  CLAY MINERAL (34%);
CARBONATE (02%);  NANNOFOSSIL (25%);



Leg : 25    Top Int Depth(mm):    50       Sand:        Sect:  3
Hole: 245A  Top Core Depth(m):    54.00    Silt:
Core:   2   Sample Depth (m) :    57.05    Clay:

Age : UPPER EOCENE
Name: CLAY-BEARING NANNO OOZE

Components:  (Dominant lithology)
======================================================================
QUARTZ (02%);  CLAY MINERAL (05%);  IRON (01%);
NANNOFOSSIL (95%);



Leg : 25    Top Int Depth(mm):   100       Sand:        Sect:  3
Hole: 245A  Top Core Depth(m):    54.00    Silt:
Core:   2   Sample Depth (m) :    57.10    Clay:

Age : UPPER EOCENE
Name: NANNO OOZE

Components:  (Minor lithology, % converted from relative abundance)
======================================================================
TERRIGENOUS DETRITUS (01%);  CLAY MINERAL (04%);  IRON (02%);
NANNOFOSSIL (95%);



Leg : 25    Top Int Depth(mm):  1030       Sand:        Sect:  3
Hole: 245A  Top Core Depth(m):    54.00    Silt: 012%
Core:   2   Sample Depth (m) :    58.03    Clay: 088%

Age : UPPER EOCENE
Name: NANNO AND SILT RICH CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (07%);  FELDSPAR (01%);  MICA (05%);
OPAQUE MINERAL (15%);  IRON (03%);  CARBONATE (01%);
CLAY MINERAL (54%);  NANNOFOSSIL (15%);



Leg : 25    Top Int Depth(mm):   710       Sand:        Sect:  4
Hole: 245A  Top Core Depth(m):    54.00    Silt: 020%
Core:   2   Sample Depth (m) :    59.21    Clay: 080%

Age : UPPER EOCENE
Name: CLAYEY NANNO OOZE

Components:  (Dominant lithology)
======================================================================
QUARTZ (07%);  FELDSPAR (01%);  MICA (07%);
OPAQUE MINERAL (04%);  CLAY MINERAL (38%);  NANNOFOSSIL (43%);



Leg : 25    Top Int Depth(mm):  1400       Sand:        Sect:  4
Hole: 245A  Top Core Depth(m):    54.00    Silt:
Core:   2   Sample Depth (m) :    59.95    Clay:

Age : UPPER EOCENE
Name: MANGANESE NODULE

Components:  (Minor lithology, % converted from relative abundance)
======================================================================
OPAQUE MINERAL (01%);



Leg : 25    Top Int Depth(mm):   700       Sand:        Sect:  5
Hole: 245A  Top Core Depth(m):    54.00    Silt: 010%
Core:   2   Sample Depth (m) :    60.70    Clay: 090%

Age : UPPER EOCENE
Name: CLAY BEARING NANNO OOZE

Components:  (Dominant lithology)
======================================================================
QUARTZ (01%);  CLAY MINERAL (09%);  NANNOFOSSIL (90%);



Leg : 25    Top Int Depth(mm):  1200       Sand:        Sect:  5
Hole: 245A  Top Core Depth(m):    54.00    Silt: 035%
Core:   2   Sample Depth (m) :    61.20    Clay: 065%

Age : UPPER EOCENE
Name: SILTY CLAY

Components:  (Dominant lithology)
======================================================================
QUARTZ (20%);  FELDSPAR (04%);  MICA (10%);
OPAQUE MINERAL (04%);  CLAY MINERAL (60%);  NANNOFOSSIL (02%);



Leg : 25    Top Int Depth(mm):  1200       Sand:        Sect:  6
Hole: 245A  Top Core Depth(m):    54.00    Silt: 035%
Core:   2   Sample Depth (m) :    62.70    Clay: 065%

Age : UPPER EOCENE
Name: BROWN SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (15%);  FELDSPAR (03%);  MICA (20%);
IRON (02%);  CARBONATE (02%);  OPAQUE MINERAL (03%);
CLAY MINERAL (57%);



Leg : 25    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 245A  Top Core Depth(m):    54.00    Silt: 030%
Core:   2   Sample Depth (m) :    63.10    Clay: 070%

Age : UPPER EOCENE
Name: BROWN SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (10%);  FELDSPAR (02%);  MICA (20%);
CARBONATE (02%);  FORAMINIFERA (02%);  NANNOFOSSIL (05%);



Leg : 25    Top Int Depth(mm):   800       Sand:        Sect:  2
Hole: 245A  Top Core Depth(m):    63.00    Silt: 030%
Core:   3   Sample Depth (m) :    65.30    Clay: 070%

Age : UPPER EOCENE
Name: CLAY RICH NANNO OOZE

Components:  (Dominant lithology)
======================================================================
QUARTZ (06%);  FELDSPAR (01%);  MICA (03%);
OPAQUE MINERAL (01%);  CLAY MINERAL (19%);  NANNOFOSSIL (70%);



Leg : 25    Top Int Depth(mm):  1400       Sand:        Sect:  3
Hole: 245A  Top Core Depth(m):    63.00    Silt: 001%
Core:   3   Sample Depth (m) :    67.40    Clay:

Age : UPPER EOCENE
Name: CLAY BEARING NANNO OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (01%);  CLAY MINERAL (10%);  NANNOFOSSIL (90%);



Leg : 25    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 245A  Top Core Depth(m):    63.00    Silt: 060%
Core:   3   Sample Depth (m) :    67.60    Clay: 040%

Age : UPPER EOCENE
Name: NANNO OOZE

Components:  (Dominant lithology)
======================================================================
QUARTZ (03%);  MICA (01%);  OPAQUE MINERAL (02%);
CLAY MINERAL (04%);  NANNOFOSSIL (90%);



Leg : 25    Top Int Depth(mm):   550       Sand:        Sect:  2
Hole: 245A  Top Core Depth(m):    72.00    Silt: 010%
Core:   4   Sample Depth (m) :    74.05    Clay: 090%

Age : UPPER EOCENE
Name: NANNO RICH CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (01%);  FELDSPAR (01%);  MICA (01%);
HEAVY MINERAL (01%);  TERRIGENOUS DETRITUS (05%);  CLAY MINERAL (70%);
NANNOFOSSIL (25%);



Leg : 25    Top Int Depth(mm):  1000       Sand:        Sect:  2
Hole: 245A  Top Core Depth(m):    72.00    Silt:
Core:   4   Sample Depth (m) :    74.50    Clay:

Age : UPPER EOCENE
Name: CLAY BEARING NANNO OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (01%);  FELDSPAR (01%);  MICA (01%);
HEAVY MINERAL (01%);  TERRIGENOUS DETRITUS (10%);  CLAY MINERAL (10%);
NANNOFOSSIL (89%);



Leg : 25    Top Int Depth(mm):  1450       Sand:        Sect:  4
Hole: 245A  Top Core Depth(m):    72.00    Silt:
Core:   4   Sample Depth (m) :    77.95    Clay:

Age : UPPER EOCENE
Name: CLAY BEARING NANNO OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (01%);  FELDSPAR (01%);  TERRIGENOUS DETRITUS (02%);
CLAY MINERAL (08%);  NANNOFOSSIL (93%);



Leg : 25    Top Int Depth(mm):   450       Sand:        Sect:  5
Hole: 245A  Top Core Depth(m):    72.00    Silt: 020%
Core:   4   Sample Depth (m) :    78.45    Clay: 080%

Age : UPPER EOCENE
Name: NANNO OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (02%);  FELDSPAR (02%);  MICA (02%);
OPAQUE MINERAL (02%);  CLAY MINERAL (05%);  NANNOFOSSIL (93%);
DIATOM (02%);



Leg : 25    Top Int Depth(mm):   900       Sand:        Sect:  5
Hole: 245A  Top Core Depth(m):    72.00    Silt: 035%
Core:   4   Sample Depth (m) :    78.90    Clay: 065%

Age : UPPER EOCENE
Name: SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (15%);  FELDSPAR (02%);  MICA (18%);
OPAQUE MINERAL (03%);  IRON (02%);  CLAY MINERAL (62%);
FORAMINIFERA (02%);



Leg : 25    Top Int Depth(mm):  1040       Sand:        Sect:  5
Hole: 245A  Top Core Depth(m):    72.00    Silt:
Core:   4   Sample Depth (m) :    79.04    Clay:

Age : UPPER EOCENE
Name: NANNO OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
OPAQUE MINERAL (01%);  CLAY MINERAL (05%);  CARBONATE (02%);
NANNOFOSSIL (94%);



Leg : 25    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 245A  Top Core Depth(m):    72.00    Silt:
Core:   4   Sample Depth (m) :    81.10    Clay:

Name: CLAY-BEARING NANNO OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (02%);  FELDSPAR (01%);  CLAY MINERAL (10%);
OPAQUE MINERAL (02%);  PALAGONITE (02%);  CARBONATE (10%);
MICA (01%);  EPIDOTE (02%);  ZIRCON (02%);
NANNOFOSSIL (75%);



Leg : 25    Top Int Depth(mm):  1000       Sand:        Sect:  1
Hole: 245A  Top Core Depth(m):    91.00    Silt: 012%
Core:   5   Sample Depth (m) :    92.00    Clay: 085%

Age : EOCENE
Name: SILT-BEARING BROWN CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (01%);  FELDSPAR (01%);  MICA (01%);
TERRIGENOUS DETRITUS (02%);  CLAY MINERAL (98%);



Leg : 25    Top Int Depth(mm):  1120       Sand:        Sect:  2
Hole: 245A  Top Core Depth(m):    91.00    Silt: 030%
Core:   5   Sample Depth (m) :    93.62    Clay: 070%

Age : EOCENE
Name: BROWN SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (12%);  FELDSPAR (02%);  MICA (15%);
OPAQUE MINERAL (01%);  IRON (02%);  CLAY MINERAL (70%);
NANNOFOSSIL (02%);



Leg : 25    Top Int Depth(mm):   800       Sand:        Sect:  4
Hole: 245A  Top Core Depth(m):    91.00    Silt: 015%
Core:   5   Sample Depth (m) :    96.30    Clay: 085%

Age : EOCENE
Name: NANNO CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (06%);  FELDSPAR (01%);  MICA (06%);
OPAQUE MINERAL (03%);  CLAY MINERAL (44%);  CARBONATE (02%);



Leg : 25    Top Int Depth(mm):  1000       Sand:        Sect:  4
Hole: 245A  Top Core Depth(m):    91.00    Silt: 030%
Core:   5   Sample Depth (m) :    96.50    Clay: 070%

Age : EOCENE
Name: SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (15%);  FELDSPAR (01%);  MICA (15%);
OPAQUE MINERAL (01%);  IRON (02%);  CLAY MINERAL (68%);



Leg : 25    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 245A  Top Core Depth(m):    91.00    Silt: 035%
Core:   5   Sample Depth (m) :    97.10    Clay: 065%

Age : EOCENE
Name: BROWN SILTY CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (25%);  FELDSPAR (03%);  MICA (06%);
HEAVY MINERAL (02%);  OPAQUE MINERAL (04%);  IRON (02%);
CLAY MINERAL (60%);  EPIDOTE (01%);  RUTILE (01%);
NANNOFOSSIL (02%);



Leg : 25    Top Int Depth(mm):   450       Sand:        Sect:  1
Hole: 245A  Top Core Depth(m):   100.00    Silt: 005%
Core:   6   Sample Depth (m) :   100.45    Clay: 095%

Age : MIDDLE EOCENE
Name: BROWN SILT-BEARING CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (03%);  OPAQUE MINERAL (02%);  MICA (02%);
IRON (02%);



Leg : 25    Top Int Depth(mm):  1100       Sand:        Sect:  1
Hole: 245A  Top Core Depth(m):   100.00    Silt: 006%
Core:   6   Sample Depth (m) :   101.10    Clay: 094%

Age : MIDDLE EOCENE
Name: NANNO-BEARING SILT BEARING CLAY

Components:  (Dominant lithology)
======================================================================
QUARTZ (02%);  OPAQUE MINERAL (02%);  NANNOFOSSIL (04%);



Leg : 25    Top Int Depth(mm):   200       Sand:        Sect:  2
Hole: 245A  Top Core Depth(m):   100.00    Silt: 035%
Core:   6   Sample Depth (m) :   101.70    Clay: 065%

Age : MIDDLE EOCENE
Name: SILTY CLAY

Components:  (Minor lithology)
======================================================================
QUARTZ (10%);  FELDSPAR (02%);  MICA (03%);
OPAQUE MINERAL (02%);  CLAY MINERAL (60%);  NANNOFOSSIL (02%);



Leg : 25    Top Int Depth(mm):  1360       Sand:        Sect:  3
Hole: 245A  Top Core Depth(m):   100.00    Silt: 005%
Core:   6   Sample Depth (m) :   104.36    Clay:

Age : MIDDLE EOCENE
Name: SILT-BEARING NANNO-RICH CLAY

Components:  (Dominant lithology)
======================================================================
QUARTZ (02%);  NANNOFOSSIL (22%);



Leg : 25    Top Int Depth(mm):  1390       Sand:        Sect:  3
Hole: 245A  Top Core Depth(m):   100.00    Silt: 005%
Core:   6   Sample Depth (m) :   104.39    Clay:

Age : MIDDLE EOCENE
Name: CLAY-BEARING NANNO OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (02%);  OPAQUE MINERAL (02%);  MICA (02%);
IRON (02%);  NANNOFOSSIL (90%);



Leg : 25    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 245A  Top Core Depth(m):   100.00    Silt:
Core:   6   Sample Depth (m) :   104.60    Clay:

Age : MIDDLE EOCENE
Name: LIGHT BROWN NANNO OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (02%);  HEAVY MINERAL (02%);  CLAY MINERAL (05%);
CARBONATE (15%);  FORAMINIFERA (02%);  NANNOFOSSIL (80%);



Leg : 25    Top Int Depth(mm):  1300       Sand:        Sect:  1
Hole: 245A  Top Core Depth(m):   140.00    Silt:
Core:   7   Sample Depth (m) :   141.30    Clay: 100%

Age : MIDDLE EOCENE
Name: NANNO OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
ZEOLITE (02%);  CLAY MINERAL (03%);  NANNOFOSSIL (97%);



Leg : 25    Top Int Depth(mm):   900       Sand:        Sect:  4
Hole: 245A  Top Core Depth(m):   140.00    Silt: 001%
Core:   7   Sample Depth (m) :   145.40    Clay:

Age : LOWER EOCENE
Name: NANNO OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
QUARTZ (02%);  CLAY MINERAL (05%);  NANNOFOSSIL (95%);



Leg : 25    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 245A  Top Core Depth(m):   140.00    Silt:
Core:   7   Sample Depth (m) :   149.10    Clay:

Name: NANNO OOZE

Components:  (Dominant lithology)
======================================================================
CLAY MINERAL (03%);  NANNOFOSSIL (97%);
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