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Core Data from the Deep Sea Drilling Project


Leg : 11    Top/Bottom Interval(mm):  550/1200  Analyst: Lancelot, Y.
Hole: 105   Sample Midpoint (m)    :   622.20
Core:  40   Top of Core Depth (m)  :   621.00
Sect:  1    Top of Section Depth(m):   621.55

LITHOLOGY: LIMESTONE;

  Piece No.  : PCE NO PCE NUMBERS ASSIGNED;


Leg : 11    Top/Bottom Interval(mm): 1200/1500  Analyst: Lancelot, Y.
Hole: 105   Sample Midpoint (m)    :   622.50
Core:  40   Top of Core Depth (m)  :   621.00
Sect:  1    Top of Section Depth(m):   622.20

LITHOLOGY: BASALT;

  Piece No.  : PCE NO PCE NUMBERS ASSIGNED;

  Structure  : VEINLETS OF WHITE CALCITE;

  Comments   : BLACK (N1 TO N2), LIMESTONE INCLUSION AT 140CM;

  Replacement: CALCITE
               IN VEINLETS;


Leg : 11    Top/Bottom Interval(mm):  900/1500  Analyst: Paulus, F.J.
Hole: 105   Sample Midpoint (m)    :   625.50
Core:  41   Top of Core Depth (m)  :   624.00
Sect:  1    Top of Section Depth(m):   624.90

LITHOLOGY: BASALT;

  Piece No.  : PCE NO PCE NUMBERS ASSIGNED;

  Texture    : FINE-GRAINED AND GLASSY;

  Structure  : FINE-GRAINED AND GLASSY BASALT SEPERATED BY NUMEROUS
               CALCITE VEINS, FINE-GRAINED HIGHLY FRACTURED,
               FRACTURES FILLED WITH WHITE CALCITE;

  Alteration : FAINT BROWNISH OR PINKISH BROWNISH TINT APPEARS
               IN VARIOUS ZONES PROBABLY DUE TO ALTERATION;

  Comments   : INCLUSION OF FAINT PINKISH PALE BROWN (5YR 6/2)
               METAMORPHOSED LIMESTONE (CONTACT MARBLE), WITH
               BLACK (N1) GLASSY INCLUSIONS;

  Replacement: CALCITE
               IN VEINLETS;


Leg : 11    Top/Bottom Interval(mm):    0/1500  Analyst: Hathaway, J.C.
Hole: 105   Sample Midpoint (m)    :   627.00
Core:  41   Top of Core Depth (m)  :   624.00
Sect:  2    Top of Section Depth(m):   625.50

LITHOLOGY: BASALT;

  Piece No.  : PCE NO PCE NUMBERS ASSIGNED;

  Structure  : VEINS OF FIBROUS CALCITE, WIDEST VEINS SHOW GREENISH
               LAYERING PARALLEL AND ADJACENT TO WALL;

  Comments   : DARK, GRAY (N2), INCLUSIONS OF METAMORPHOSED
               LIMESTONE (MARBLE);

  Replacement: CALCITE
               IN VEINS, WHITE AND FIBROUS;


Leg : 11    Top/Bottom Interval(mm):    0/1500  Analyst: Hathaway, J.C.
Hole: 105   Sample Midpoint (m)    :   628.50
Core:  41   Top of Core Depth (m)  :   624.00
Sect:  3    Top of Section Depth(m):   627.00

LITHOLOGY: BASALT;

  Piece No.  : PCE NO PCE NUMBERS ASSIGNED;

  Texture    : FEW BLACK GLASSY ZONES SURROUNDING INCLUSIONS;

  Structure  : MANY VEINS FILLED WITH FIBROUS CALCITE;

  Alteration : BROWN ALTERED ZONES BORDER MANY VEINS;

  Comments   : DARK, GRAY (N2), INCLUSIONS OF RED AND REDDISH
               BROWN CONTACT MARBLE;

  Replacement: CALCITE
               IN VEINS, WHITE AND FIBROUS;


Leg : 11    Top/Bottom Interval(mm):  370/1500  Analyst: Paulus, F.J.
Hole: 105   Sample Midpoint (m)    :   628.50
Core:  42   Top of Core Depth (m)  :   627.00
Sect:  1    Top of Section Depth(m):   627.37

LITHOLOGY: BASALT;

  Piece No.  : PCE NO PCE NUMBERS ASSIGNED;

  Texture    : OCCASIONAL BLACK GLASSY ZONES;

  Structure  : HIGHLY FRACTURED, FRACTURES FILLED WITH CALCITE,
               TENDS TO CRUMBLE EASILY ALONG FRACTURES;

  Alteration : FAINT BROWNISH TINT FOLLOWING TREND OF CALCITE
               VEINS;

  Comments   : BLACK;

  Replacement: CALCITE
               IN VEINS, WHITE;


Leg : 11    Top/Bottom Interval(mm):    0/1500  Analyst:
Hole: 105   Sample Midpoint (m)    :   630.00
Core:  42   Top of Core Depth (m)  :   627.00
Sect:  2    Top of Section Depth(m):   628.50

LITHOLOGY: BASALT;

  Piece No.  : PCE NO PCE NUMBERS ASSIGNED;

  Texture    : OCCASIONAL BLACK GLASSY ZONES;

  Structure  : HIGHLY FRACTURED, FRACTURES FILLED WITH CALCITE,

  Alteration : FAINT BROWNISH TINT FOLLOWING TREND OF CALCITE
               VEINS;

  Comments   : BLACK (N1,N2), INCLUSION OF RE-XTLIZED CALCAREOUS
               CLAY CONTAINING FRAGMENTS OF GREENISH-BLACK GLASSY
               BASALT, CLAY IS DARK REDDISH BROWN (10R 3/4), AND
               INCLUSION OF COARSE XTLINE CALCITE WITH FRAGMENTS OF
               BLACK GLASSY BASALT TINGED GREENISH BLACK AND DARK
               REDDISH BROWN, SMALL AREA ALSO OF DRUSY CALCITE
               XTLS, FIBROUS CALCITE VEINS HAVE GREEN PALAGONITE;

  Replacement: CALCITE
               IN VEINS, WHITE AND FIBROUS;

               PALAGONITE
               INCLUDED IN CALCITE VEINS;


Leg : 11    Top/Bottom Interval(mm):  750/1500  Analyst: Hathaway, J.C.
Hole: 105   Sample Midpoint (m)    :   631.50
Core:  43   Top of Core Depth (m)  :   630.00
Sect:  1    Top of Section Depth(m):   630.75

LITHOLOGY: BASALT;

  Piece No.  : PCE NO PCE NUMBERS ASSIGNED;

  Structure  : MANY VEINS OF FIBROUS CALCITE;

  Comments   : LIGHT GREEN CONTACT MARBLE INCLUSIONS AND GREEN
               PALAGONITE-LIKE MATERIAL AT 95-100CM, BASALT IS DARK
               GRAY (N2);

  Replacement: CALCITE
               IN VEINS, FIBROUS;

               PALAGONITE
               POSSIBLY IN  INCLUSIONS;


Leg : 11    Top/Bottom Interval(mm):    0/1500  Analyst: Paulus, F.J.
Hole: 105   Sample Midpoint (m)    :   633.00
Core:  43   Top of Core Depth (m)  :   630.00
Sect:  2    Top of Section Depth(m):   631.50

LITHOLOGY: BASALT;

  Piece No.  : PCE NO PCE NUMBERS ASSIGNED;

  Texture    : OCCASIONAL GLASSY ZONES ASSOCIATED WITH THICK
               ABUNDANT CALCITE VEIN DEVELOPMENT;

  Structure  : THICK WHITE CALCITE VEINS ENCLOSING GLASSY PIECES OF
               BASALT;

  Alteration : ABUNDANCE OF BROWNISH TINGE DUE TO ALTERATION
               PRODUCTS;

  Comments   : BLACK (N1), VEINS ARE FIBROUS WHITE CALCITE WITH
               GREEN TINGE ON ENDS OF GRAINS;

  Replacement: CALCITE
               IN VEINS, THICK, FIBROUS AND WHITE, SOME GREEN
               DISCOLORATION (? INDENTITY);


    

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.

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