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NOAA/NGDC

WDC MGG Seafloor Series Vol I

Core Data from the Deep Sea Drilling Project


Leg : 41    Top/Bottom Interval(mm):    0/ 480  Analyst: Gardner, J.V.
Hole: 367   Sample Midpoint (m)    :  1143.98
Core:  38   Top of Core Depth (m)  :  1142.00
Sect:  2    Top of Section Depth(m):  1143.50

LITHOLOGY: SEDIMENT (LIMESTONE);
           SAME LITHOLOGY AS SEC 1;


Leg : 41    Top/Bottom Interval(mm):  480/1500  Analyst: Gardner, J.V.
Hole: 367   Sample Midpoint (m)    :  1145.00
Core:  38   Top of Core Depth (m)  :  1142.00
Sect:  2    Top of Section Depth(m):  1143.98

LITHOLOGY: BASALT;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHANITIC;

  Structure  : CALCITE-VEINED, CHLORITE (ESPECIALLY ON OUTSIDE OF
               CALCITE VEINS);

  Comments   : COLOR IS BLACK (N1);

  Vesicles   :
               Location:            Filling: PYRITE, GLASS
               PYRITE-FILLED POCKETS (VUGS), GLASS-FILLED VUGS;

  Replacement: PYRITE
               DISSEMINATED PYRITE THROUGHOUT, IN VUGS;

               CALCITE

               CHLORITE


Leg : 41    Top/Bottom Interval(mm):    0/1500  Analyst: Gardner, J.V.
Hole: 367   Sample Midpoint (m)    :  1146.50
Core:  38   Top of Core Depth (m)  :  1142.00
Sect:  3    Top of Section Depth(m):  1145.00

LITHOLOGY: BASALT;
           SAME LITHOLOGY AS SEC 2 BASALT;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : BECOMES COARSER-GRAINED AT 70CM ALTHOUGH STILL
               APHANITIC;

  Comments   : POSSIBLE START OF NEW UNIT AT 54CM;

  Vesicles   :
               Location:            Filling: ZEOLITE
               ZEOLITE?-FILLED VESICLES ABRUPTLY BEGIN AT 54CM;

               Location:            Filling: GLASS
               NUMEROUS GLASS-FILLED VESICLES BY 107CM;

  Replacement: ZEOLITE

  Groundmass : GLASS


Leg : 41    Top/Bottom Interval(mm):  480/1500  Analyst: Gardner, J.V.
Hole: 367   Sample Midpoint (m)    :  1149.50
Core:  39   Top of Core Depth (m)  :  1148.00
Sect:  1    Top of Section Depth(m):  1148.48

LITHOLOGY: BASALT;
           SEDIMENT (LIMESTONE);
           SAME LITHOLOGY AS CORE 38;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : CLASTS OF ARGILLACEOUS LIMESTONE;

  Comments   : SOME BASALT GREENISH GRAY (5G 6/1);


Leg : 41    Top/Bottom Interval(mm):    0/1500  Analyst: Gardner, J.V.
Hole: 367   Sample Midpoint (m)    :  1151.00
Core:  39   Top of Core Depth (m)  :  1148.00
Sect:  2    Top of Section Depth(m):  1149.50

LITHOLOGY: BASALT;
           SAME LITHOLOGY AS CORE 38-2;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;


Leg : 41    Top/Bottom Interval(mm):    0/1500  Analyst: Gardner, J.V.
Hole: 367   Sample Midpoint (m)    :  1152.50
Core:  40   Top of Core Depth (m)  :  1151.00
Sect:  1    Top of Section Depth(m):  1151.00

LITHOLOGY: BASALT;
           SAME LITHOLOGY AS CORE 39;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : GRAIN SIZE LARGER THAN CORE 39, CHERT CLAST AT
               110CM;

  Structure  : AMYGDALOIDAL, CALCITE & CHLORITE VEINS;

  Vesicles   : GREEN MINERAL OR GLASS FILLING AMYGDULES;

  Replacement: CALCITE

               CHLORITE

  Comments   : CHERT CLAST AT 40CM;


    

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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.