Core Data from the Deep Sea Drilling Project

Leg : 31    Top Int Depth(mm):  1330       Sand:        Sect:  1
Hole: 291   Top Core Depth(m):     0.00    Silt: 010%
Core:   1   Sample Depth (m) :     1.33    Clay: 090%

Age : UPPER PLIOCENE
Name: SILT RICH ZEOLITE CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
FELDSPAR (08%);  HEAVY MINERAL (02%);  CLAY MINERAL (46%);
MICRONODULE (01%);  ZEOLITE (25%);  NANNOFOSSIL (02%);
RADIOLARIA (02%);  SPICULE (02%);



Leg : 31    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 291   Top Core Depth(m):     0.00    Silt: 010%
Core:   1   Sample Depth (m) :     1.60    Clay: 090%

Age : UPPER PLIOCENE
Name: SILT RICH ZEOLITE CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
FELDSPAR (10%);  AMPHIBOLE (09%);  PYROXENE (01%);
CLAY MINERAL (30%);  GLASS (02%);  PALAGONITE (10%);
MICRONODULE (01%);  ZEOLITE (37%);  DIATOM (01%);
RADIOLARIA (01%);  SPICULE (02%);



Leg : 31    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 291   Top Core Depth(m):     0.00    Silt: 100%
Core:   1   Sample Depth (m) :     1.60    Clay:

Age : UPPER PLIOCENE
Name: SILT FRACTION H2O2 WASH GREATER THAN 63 MICRONS

Components:  (Dominant lithology)
======================================================================
FELDSPAR (15%);  HEAVY MINERAL (25%);  PALAGONITE (10%);
CLAY MINERAL (50%);



Leg : 31    Top Int Depth(mm):   550       Sand: 001%   Sect:  1
Hole: 291   Top Core Depth(m):    60.00    Silt: 019%
Core:   2   Sample Depth (m) :    60.55    Clay: 080%

Age : UPPER OLIGOCENE
Name: SILT RICH ZEOLITE CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
FELDSPAR (05%);  HEAVY MINERAL (10%);  CLAY MINERAL (48%);
GLASS (02%);  PALAGONITE (15%);  MICRONODULE (01%);
ZEOLITE (30%);  RADIOLARIA (01%);  SPICULE (02%);



Leg : 31    Top Int Depth(mm):  1290       Sand:        Sect:  1
Hole: 291   Top Core Depth(m):    60.00    Silt: 010%
Core:   2   Sample Depth (m) :    61.29    Clay: 090%

Age : UPPER OLIGOCENE
Name: SILTY ZEOLITE CLAY

Components:  (Dominant lithology)
======================================================================
FELDSPAR (03%);  HEAVY MINERAL (07%);  CLAY MINERAL (45%);
IRON (20%);  ZEOLITE (25%);



Leg : 31    Top Int Depth(mm):  1420       Sand:        Sect:  1
Hole: 291   Top Core Depth(m):    60.00    Silt: 010%
Core:   2   Sample Depth (m) :    61.42    Clay: 090%

Age : UPPER OLIGOCENE
Name: SILTY ZEOLITE CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
FELDSPAR (02%);  HEAVY MINERAL (03%);  CLAY MINERAL (45%);
PALAGONITE (15%);  MICRONODULE (01%);  ZEOLITE (34%);
NANNOFOSSIL (02%);



Leg : 31    Top Int Depth(mm):   700       Sand:        Sect:  2
Hole: 291   Top Core Depth(m):    60.00    Silt:
Core:   2   Sample Depth (m) :    62.20    Clay: 100%

Age : UPPER OLIGOCENE
Name: NANNO OOZE

Components:  (Dominant lithology)
======================================================================
CLAY MINERAL (10%);  IRON (01%);  ZEOLITE (01%);
NANNOFOSSIL (88%);



Leg : 31    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 291   Top Core Depth(m):    60.00    Silt:
Core:   2   Sample Depth (m) :    63.10    Clay:

Age : UPPER OLIGOCENE
Name: CLAYEY NANNO OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
HEAVY MINERAL (02%);  CLAY MINERAL (35%);  GLASS (02%);
ZEOLITE (02%);  NANNOFOSSIL (65%);



Leg : 31    Top Int Depth(mm):  1030       Sand:        Sect:  1
Hole: 291   Top Core Depth(m):    79.00    Silt:
Core:   3   Sample Depth (m) :    80.03    Clay: 100%

Age : UPPER EOCENE
Name: CLAYEY NANNO OOZE

Components:  (Dominant lithology)
======================================================================
CLAY MINERAL (20%);  NANNOFOSSIL (80%);



Leg : 31    Top Int Depth(mm):  1250       Sand:        Sect:  1
Hole: 291   Top Core Depth(m):    79.00    Silt:
Core:   3   Sample Depth (m) :    80.25    Clay: 100%

Age : UPPER EOCENE
Name: RAD CLAY RICH NANNO OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
CLAY MINERAL (20%);  GLASS (02%);  OPAQUE MINERAL (01%);
CARBONATE (20%);  NANNOFOSSIL (38%);  RADIOLARIA (20%);
SPICULE (01%);



Leg : 31    Top Int Depth(mm):  1370       Sand:        Sect:  1
Hole: 291   Top Core Depth(m):    79.00    Silt: 005%
Core:   3   Sample Depth (m) :    80.37    Clay: 095%

Age : UPPER EOCENE
Name: CLAYEY RAD OOZE

Components:  (Dominant lithology)
======================================================================
CLAY MINERAL (40%);  RADIOLARIA (45%);  SPICULE (10%);



Leg : 31    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 291   Top Core Depth(m):    79.00    Silt: 015%
Core:   3   Sample Depth (m) :    80.60    Clay: 085%

Age : UPPER EOCENE
Name: NANNO RICH RADIOLARIAN CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
HEAVY MINERAL (02%);  CLAY MINERAL (46%);  ZEOLITE (03%);
NANNOFOSSIL (13%);  RADIOLARIA (35%);



Leg : 31    Top Int Depth(mm):   650       Sand:        Sect:  1
Hole: 291   Top Core Depth(m):    98.00    Silt:
Core:   4   Sample Depth (m) :    98.65    Clay: 100%

Age : UPPER EOCENE
Name: CLAY RAD RICH NANNO OOZE

Components:  (Dominant lithology)
======================================================================
CLAY MINERAL (20%);  IRON (05%);  NANNOFOSSIL (58%);
RADIOLARIA (20%);  SPICULE (21%);



Leg : 31    Top Int Depth(mm):   800       Sand:        Sect:  2
Hole: 291   Top Core Depth(m):    98.00    Silt:
Core:   4   Sample Depth (m) :   100.30    Clay: 100%

Age : UPPER EOCENE
Name: NANNO RAD RICH CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
CLAY MINERAL (75%);  OPAQUE MINERAL (01%);  ZEOLITE (02%);
NANNOFOSSIL (10%);  RADIOLARIA (15%);  SPICULE (01%);



Leg : 31    Top Int Depth(mm):   650       Sand:        Sect:  3
Hole: 291   Top Core Depth(m):    98.00    Silt:
Core:   4   Sample Depth (m) :   101.65    Clay: 100%

Age : UPPER EOCENE
Name: RAD BEARING CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
GLASS (02%);  CLAY MINERAL (70%);  MICRONODULE (02%);
ZEOLITE (05%);  IRON (03%);  NANNOFOSSIL (05%);
RADIOLARIA (09%);



Leg : 31    Top Int Depth(mm):   910       Sand:        Sect:  4
Hole: 291   Top Core Depth(m):    98.00    Silt: 005%
Core:   4   Sample Depth (m) :   103.41    Clay: 095%

Age : UPPER EOCENE
Name: FE OXIDE ZEOLITE RICH CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
FELDSPAR (01%);  CLAY MINERAL (50%);  IRON (25%);
ZEOLITE (15%);  NANNOFOSSIL (02%);  RADIOLARIA (02%);



Leg : 31    Top Int Depth(mm):     0       Sand:        Sect: CC
Hole: 291   Top Core Depth(m):    98.00    Silt: 010%
Core:   4   Sample Depth (m) :   104.10    Clay: 090%

Age : UPPER EOCENE
Name: ZEOLITE RICH CLAY

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
CLAY MINERAL (80%);  IRON (05%);  ZEOLITE (15%);
NANNOFOSSIL (02%);  RADIOLARIA (05%);



Leg : 31    Top Int Depth(mm):  1150       Sand:        Sect:  1
Hole: 291   Top Core Depth(m):   117.00    Silt: 005%
Core:   5   Sample Depth (m) :   118.15    Clay: 095%

Age : EOCENE
Name: CLAY

Components:  (Dominant lithology)
======================================================================
FELDSPAR (01%);  HEAVY MINERAL (01%);  IRON (05%);
CLAY MINERAL (87%);  MICRONODULE (01%);  ZEOLITE (05%);



Leg : 31    Top Int Depth(mm):  1000       Sand:        Sect:  2
Hole: 291   Top Core Depth(m):   117.00    Silt: 040%
Core:   5   Sample Depth (m) :   119.50    Clay: 060%

Age : EOCENE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
FELDSPAR (04%);  HEAVY MINERAL (12%);  CLAY MINERAL (05%);
GLASS (02%);  ZEOLITE (03%);  IRON (25%);
NANNOFOSSIL (15%);

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