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WDC MGG Seafloor Series Vol I

Core Data from the Deep Sea Drilling Project


Leg :  3    Top Int Depth(mm):   500       Sand:        Sect:  1
Hole:  20B  Top Core Depth(m):     6.40    Silt: 002%
Core:   1   Sample Depth (m) :     6.90    Clay: 098%

Age : UPPER OLIGOCENE
Name: NANNO MARL OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
CLAY MINERAL (32%);  CARBONATE (02%);  ZEOLITE (02%);
IRON (05%);  DOLOMITE (02%);  NANNOFOSSIL (58%);



Leg :  3    Top Int Depth(mm):  1150       Sand:        Sect:  1
Hole:  20B  Top Core Depth(m):     6.40    Silt:
Core:   1   Sample Depth (m) :     7.55    Clay: 100%

Age : UPPER OLIGOCENE
Name: NANNO MARL OOZE

Components:  (Dominant lithology)
======================================================================
CLAY MINERAL (35%);  CARBONATE (01%);  ZEOLITE (02%);
NANNOFOSSIL (60%);



Leg :  3    Top Int Depth(mm):   300       Sand:        Sect:  2
Hole:  20B  Top Core Depth(m):     6.40    Silt:
Core:   1   Sample Depth (m) :     8.20    Clay: 100%

Age : UPPER OLIGOCENE
Name: MARLY NANNO CHALK OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
CLAY MINERAL (30%);  ZEOLITE (01%);  IRON (02%);
UNIDENTIFIED MATERIAL (02%);  NANNOFOSSIL (67%);



Leg :  3    Top Int Depth(mm):   150       Sand:        Sect:  3
Hole:  20B  Top Core Depth(m):     6.40    Silt:
Core:   1   Sample Depth (m) :     9.55    Clay:

Age : UPPER OLIGOCENE
Name: WHITE CRYSTALLINE CHALK

Components:  (Dominant lithology)
======================================================================
NANNOFOSSIL (99%);



Leg :  3    Top Int Depth(mm):   750       Sand:        Sect:  3
Hole:  20B  Top Core Depth(m):     6.40    Silt:
Core:   1   Sample Depth (m) :    10.15    Clay: 100%

Age : UPPER OLIGOCENE
Name: MARLY NANNO CHALK OOZE

Components:  (Dominant lithology, % converted from relative abundance)
======================================================================
CLAY MINERAL (25%);  ZEOLITE (02%);  IRON (02%);
UNIDENTIFIED MATERIAL (02%);  NANNOFOSSIL (65%);



Leg :  3    Top Int Depth(mm):   750       Sand:        Sect:  4
Hole:  20B  Top Core Depth(m):     6.40    Silt:
Core:   1   Sample Depth (m) :    11.65    Clay: 100%

Age : UPPER OLIGOCENE
Name: NANNO MARL OOZE

Components:  (Dominant lithology)
======================================================================
CLAY MINERAL (35%);  ZEOLITE (03%);  IRON (05%);
NANNOFOSSIL (57%);



Leg :  3    Top Int Depth(mm):  1350       Sand:        Sect:  4
Hole:  20B  Top Core Depth(m):     6.40    Silt:
Core:   1   Sample Depth (m) :    12.25    Clay:

Age : UPPER OLIGOCENE
Name: CHALK

Components:  (Dominant lithology)
======================================================================
NANNOFOSSIL (99%);



Leg :  3    Top Int Depth(mm):   270       Sand:        Sect:  5
Hole:  20B  Top Core Depth(m):     6.40    Silt:
Core:   1   Sample Depth (m) :    12.67    Clay:

Age : UPPER OLIGOCENE
Name: WHITE CRYSTALLINE CHALK

Components:  (Dominant lithology)
======================================================================
NANNOFOSSIL (99%);



Leg :  3    Top Int Depth(mm):  1000       Sand:        Sect:  5
Hole:  20B  Top Core Depth(m):     6.40    Silt:
Core:   1   Sample Depth (m) :    13.40    Clay:

Age : UPPER OLIGOCENE
Name: MARLY NANNO CHALK OOZE

Components:  (Dominant lithology)
======================================================================
CLAY MINERAL (15%);  ZEOLITE (01%);  IRON (05%);
NANNOFOSSIL (79%);

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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.