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Core Data from the Deep Sea Drilling Project


Leg : 63    Top/Bottom Interval(mm):    0/ 600  Analyst: Shibata, T.
Hole: 470A  Sample Midpoint (m)    :   167.10
Core:   7   Top of Core Depth (m)  :   166.50
Sect:  1    Top of Section Depth(m):   166.50

LITHOLOGY: SEDIMENT;


Leg : 63    Top/Bottom Interval(mm):  600/1450  Analyst: Shibata, T.
Hole: 470A  Sample Midpoint (m)    :   167.95
Core:   7   Top of Core Depth (m)  :   166.50
Sect:  1    Top of Section Depth(m):   167.10

LITHOLOGY: APHYRIC TO OL SPARSELY PHYRIC BASALT;
           PILLOW BASALT;

  Piece No.  : PCES 1 (61-64), 2 (66-73), 3 (77-83), 4 (85-90),
               5A (92-105), 5B (105-110), 5C (110-120),
               5D (120-133), 5E (133-143);

  Texture    : INCREASED GRAINSIZE TOWARD CORE BASE;

  Structure  : FRACTURES SOMETIMES FILLED WITH CALCITE & CLAY,
               MASSIVE;

  Alteration : MOD

  Comments   : COLOR MEDIUM-DARK GRAY (N4) BECOMING BROWNISH-GRAY
               ALONG FRACTURES;

  Phenocrysts: OLIVINE
               Size(mm):         <1
               PCE 5;

  Replacement: CALCITE

               CLAY


Leg : 63    Top/Bottom Interval(mm):    0/1500  Analyst: Pisciotto, K.
Hole: 470A  Sample Midpoint (m)    :   169.50
Core:   7   Top of Core Depth (m)  :   166.50
Sect:  2    Top of Section Depth(m):   168.00

LITHOLOGY: APHYRIC TO OL SPARSELY PHYRIC BASALT;
           PILLOW BASALT;

  Piece No.  : PCES 1A (1-12), 1B (12-19), 1C (20-22), 1D (22-28),
               2 (32-37), 3A (40-51), 3B (50-58), 4A (61-70),
               4B (71-79), 4C (79-87), 4D (87-91), 4E (89-100),
               4F (100-119), 4G (120-138), 5 (142-148);

  Texture    : GLASSY MARGIN BLENDS INTO A BROWNISH
               APHANITIC ZONE(<2 OR 3CM) & THEN INTO A FINE-GRAINED
               PHYRIC PILLOW INTERIOR;

  Structure  : PILLOW SEQUENCE,FRACTURED WITH SOME CLAY & CALCITE
               FILLING,BASALT BROWNISH ALONG FRACTURES,MASSIVE;

  Alteration : MOD

  Phenocrysts: OLIVINE
               GREENISH ALTERED OL;

  Replacement: CALCITE

               CLAY


Leg : 63    Top/Bottom Interval(mm):    0/1400  Analyst: Pisciotto, K.
Hole: 470A  Sample Midpoint (m)    :   170.90
Core:   7   Top of Core Depth (m)  :   166.50
Sect:  3    Top of Section Depth(m):   169.50

LITHOLOGY: APHYRIC TO OL SPARSELY PHYRIC BASALT;
           PILLOW BASALT;

  Piece No.  : PCES 1A (1-10), 1B (10-20), 1C (20-41), 1D (41-49),
               2A (51-59), 2B (60-69), 2C (70-84), 2D (80-93),
               3 (95-104), 4 (105-113), 5 (116-124), 6 (126-137);

  Texture    : GLASSY MARGIN GRADES INTO A BROWNISH
               APHANITIC ZONE & THEN INTO A FINE-GRAINED & PHYRIC
               PILLOW INTERIOR,PCE 6 HAS GLASSY MARGIN WITH
               LIMESTONE INCLUDED;

  Structure  : FRACTURED WITH SOME CLAY & CALCITE FILLING,MASSIVE;

  Alteration : MOD

  Comments   : BASALT BROWNISH ALONG THE FRACTURES,OTHERWISE BASALT
               IS MEDIUM-DARK GRAY (N4),PCE 6 LIMESTONE IS
               GREENISH-GRAY(5G8/1);

  Phenocrysts: OLIVINE
               GREENISH ALTERED OL;

  Replacement: CALCITE

               CLAY


Leg : 63    Top/Bottom Interval(mm):    0/1400  Analyst: Crouch, J.
Hole: 470A  Sample Midpoint (m)    :   172.40
Core:   8   Top of Core Depth (m)  :   171.00
Sect:  1    Top of Section Depth(m):   171.00

LITHOLOGY: APHYRIC TO OL SPARSELY PHYRIC BASALT;
           PILLOW BASALT;
           PCES 5A & 5B ARE LIMESTONE;

  Piece No.  : PCES 1 (1-6), 2A (8-15), 2B (15-26), 2C (41-49),
               2D (34-44), 2E (44-49), 3A (51-54), 3B (54-68),
               3C (68-77), 3D (77-84), 4A (86-90), 4B (90-94),
               5A (96-100), 5B (97-100), 6A (103-112),
               6B (112-125), 6C (125-132), 6D (132-140);

  Texture    : GRAINSIZE GENERALLY INCREASES TO THE CENTER
               OF PILLOWS,GLASSY MARGINS GRADE INTO BROWNISH
               APHANITIC ZONE & THEN INTO FINE-GRAINED PHYRIC
               PILLOW INTERIOR,TEXTURE & COMPOSITION SIMILAR TO
               CORE 7-1;

  Structure  : PILLOW SEQUENCE,FRACTURED WITH SOME CALCITE & CLAY
               FILLING,MASSIVE;

  Alteration : MOD

  Comments   : MEDIUM-DARK GRAY(N4);

  Phenocrysts: OLIVINE
               OL PHENOS ALTERED;

  Replacement: CALCITE

               CLAY


Leg : 63    Top/Bottom Interval(mm):    0/1450  Analyst:
Hole: 470A  Sample Midpoint (m)    :   173.95
Core:   8   Top of Core Depth (m)  :   171.00
Sect:  2    Top of Section Depth(m):   172.50

LITHOLOGY: APHYRIC TO OL SPARSELY PHYRIC BASALT;
           PILLOW BASALT;

  Piece No.  : PCES 1A (1-16), 1B (17-20), 1C (20-25), 1D (25-47),
               1E (48-56), 1F (56-68), 1G (69-81), 1H (81-87),
               1I (87-95), 1J (96-106), 2A (110-112), 2B (114-117),
               2C (117-119), 2D (120-123), 2E (125-128),
               3 (131-145);

  Texture    : GRAINSIZE GENERALLY INCREASES TOWARDS
               CENTERS OF PILLOWS,GLASSY MARGINS GRADE INTO
               SLIGHTLY BROWNISH APHANITIC ZONE & THEN INTO FINE-
               GRAINED PHYRIC PILLOW INTERIOR;

  Structure  : FRACTURED WITH SOME CALCITE & CLAY FILLING,MASSIVE;

  Alteration : MOD

  Comments   : MEDIUM-DARK GRAY COLOR(N4);

  Phenocrysts: OLIVINE
               ALTERED GREENISH PHENOS;

  Replacement: CALCITE

               CLAY


Leg : 63    Top/Bottom Interval(mm):    0/1400  Analyst: Crouch, J.
Hole: 470A  Sample Midpoint (m)    :   175.40
Core:   8   Top of Core Depth (m)  :   171.00
Sect:  3    Top of Section Depth(m):   174.00

LITHOLOGY: APHYRIC TO OL SPARSELY PHYRIC BASALT;
           PILLOW BASALT;

  Piece No.  : PCES 1A (1-5), 1B (6-11), 1C (11-19), 2A (21-46),
               2B (41-65), 2C (66-74), 3A (76-85), 3B (85-94),
               3C (94-101), 3D (101-109), 4 (111-124),
               5A (126-131), 5B (131-137);

  Texture    : GRAINSIZE GENERALLY INCREASES TO CENTERS OF
               PILLOWS,GLASSY MARGINS GRADE INTO A SLIGHTLY
               BROWNISH APHANITIC ZONE & THEN INTO A FINE-TO-MEDIUM
               -GRAINED PHYRIC PILLOW INTERIOR;

  Structure  : FRACTURED WITH SOME CALCITE & CLAY FILLING,MASSIVE;

  Alteration : MOD
               ALTERATION ZONE ALONG FRACTURES (<1CM);

  Comments   : MEDIUM-DARK GRAY COLOR(N4);

  Phenocrysts: OLIVINE
               GREENISH & ALTERED,SCATTERED THROUGHOUT PILLOW
               INTERIOR;

  Replacement: CALCITE

               CLAY


Leg : 63    Top/Bottom Interval(mm):    0/1500  Analyst: Leinen, M.
Hole: 470A  Sample Midpoint (m)    :   177.00
Core:   8   Top of Core Depth (m)  :   171.00
Sect:  4    Top of Section Depth(m):   175.50

LITHOLOGY: APHYRIC TO OL SPARSELY PHYRIC BASALT;
           PILLOW BASALT;

  Piece No.  : PCES 1 (2-10), 2 (13-19), 3A (22-31), 3B (31-47),
               3C (46-56), 4 (59-61), 5A (65-74), 5B (75-81),
               5C (81-88), 5D (88-99), 5E (100-106), 5F (106-115),
               5G (115-130), 5H (131-140), 6 (142-147);

  Texture    : GLASSY MARGINS GRADE INTO A SLIGHTLY
               BROWNISH ZONE THAT USUALLY SHOWS A VARIOLITIC TO
               SUB-VARIOLITIC TEXTURE,PCES 1-3+6 ARE APHANITIC &
               PHYRIC,PCE 5 MEDIUM-GRAINED & PHYRIC;

  Structure  : FRACTURED WITH SOME CALCITE & CLAY FILLING,MASSIVE;

  Alteration : MOD
               ALTERATION ZONE ALONG FRACTURES,ALTERED PHENOS IN
               PCE 5;

  Comments   : MEDIUM-DARK GRAY(N4);

  Phenocrysts: OLIVINE
               Size(mm):         <1
               GREENISH & ALTERED,IN PCE 5;

  Replacement: CALCITE

               CLAY

  Phenocrysts: OLIVINE
               Size(mm):         <1
               GREENISH & ALTERED;

  Replacement: CALCITE

               CLAY


Leg : 63    Top/Bottom Interval(mm):    0/1450  Analyst: Leinen, M.
Hole: 470A  Sample Midpoint (m)    :   178.45
Core:   8   Top of Core Depth (m)  :   171.00
Sect:  5    Top of Section Depth(m):   177.00

LITHOLOGY: APHYRIC TO OL SPARSELY PHYRIC BASALT;
           PILLOW BASALT;

  Piece No.  : PCES 1A (2-11), 1B (11-29), 1C (29-35), 2A (36-44),
               2B (44-59), 3A (60-65), 3B (65-72), 4 (74-85),
               5 (88-95), 6 (97-102), 7A (104-112), 7B (108-116),
               8 (119-130), 9 (132-142);

  Texture    : GRAINSIZE GENERALLY INCREASES AWAY FROM
               GLASSY PILLOW MARGINS,GLASSY MARGINS GRADE INTO A
               SLIGHTLY BROWNISH APHANITIC ZONE THAT USUALLY SHOWS
               VARIOLITIC TO SUB-VARIOLITIC TEXTURE,PHYRIC PILLOW
               INTERIORS;

  Structure  : FRACTURES FILLED WITH CALCITE & CLAY,MASSIVE;

  Alteration : MOD
               ALTERED PHENOS;

  Comments   : MEDIUM-DARK GRAY(N4);

  Phenocrysts: OLIVINE
               Size(mm):         <1
               GREENISH & ALTERED;

  Replacement: CALCITE

               CLAY


Leg : 63    Top/Bottom Interval(mm):    0/1450  Analyst: Shibata, T.
Hole: 470A  Sample Midpoint (m)    :   181.95
Core:   9   Top of Core Depth (m)  :   180.50
Sect:  1    Top of Section Depth(m):   180.50

LITHOLOGY: APHYRIC TO OL SPARSELY PHYRIC BASALT;
           PILLOW BASALT;

  Piece No.  : PCES 1 (0-20), 2 (23-24), 3A (26-40), 3B (40-51),
               4 (52-56), 5A (58-64), 5B (64-70), 5C (68-77),
               6A (78-80), 6B (80-86), 7A (88-98), 7B (99-107),
               8A (111-116), 8B (115-123), 8C (123-131),
               8D (131-141);

  Texture    : GRAINSIZE GENERALLY INCREASES AWAY FROM
               GLASSY MARGINS,GLASSY MARGINS GRADE INTO A SLIGHTLY
               BROWNISH APHANITIC ZONE & THEN INTO FINE-TO-MEDIUM
               PHYRIC PILLOW INTERIOR;

  Structure  : THIN VEINS(<1CM) FILLED WITH CALCITE & CLAY,MASSIVE;

  Alteration : MOD
               ALTERED PHENOS,BROWNISH ALTERATION BANDS ALONG
               VEINS;

  Comments   : MEDIUM-DARK GRAY(N4);

  Phenocrysts: OLIVINE
               Size(mm):         <1
               GREENISH & ALTERED;

  Replacement: CALCITE

               CLAY

  Vesicles   : PCES 1 & 3A LOCALLY VESICULAR;


Leg : 63    Top/Bottom Interval(mm):    0/1400  Analyst: Crouch, J.
Hole: 470A  Sample Midpoint (m)    :   183.40
Core:   9   Top of Core Depth (m)  :   180.50
Sect:  2    Top of Section Depth(m):   182.00

LITHOLOGY: APHYRIC TO OL SPARSELY PHYRIC BASALT;
           PILLOW BASALT;

  Piece No.  : PCES 1 (1-12), 2 (14-17), 3A (20-29), 3B (29-40),
               3C (39-59), 3D (60-64), 3E (65-70), 3F (70-74),
               3G (74-80), 3H (80-90), 3I (88-92), 3J (92-95),
               4 (97-107), 5 (110-124), 6A (125-128), 6B (129-136);

  Texture    : GRAINSIZE GENERALLY INCREASES AWAY FROM
               GLASSY MARGINS,GLASSY MARGINS GRADE INTO A SLIGHTLY
               BROWNISH APHANITIC ZONE & THEN INTO FINE-TO-MEDIUM-
               GRAINED INTERIOR;

  Structure  : INTERVAL 0-100CM PILLOW SEQUENCE WITH ANOTHER FROM
               100-140CM,FRACTURED THROUGHOUT WITH CALCITE & CLAY
               FILLING,MASSIVE;

  Alteration : MOD
               ALTERED PHENOS,MINOR ALTERATION AROUND FRACTURES;

  Comments   : MEDIUM-DARK GRAY(N4);

  Phenocrysts: OLIVINE
               Size(mm):         <1
               GREENISH & ALTERED;

  Replacement: CALCITE

               CLAY


Leg : 63    Top/Bottom Interval(mm):    0/1400  Analyst: Crouch, J.
Hole: 470A  Sample Midpoint (m)    :   184.90
Core:   9   Top of Core Depth (m)  :   180.50
Sect:  3    Top of Section Depth(m):   183.50

LITHOLOGY: BASALT;

  Piece No.  : PCES 1 (1-6), 2 (9-22), 3A (25-29), 3B (29-34),
               3C (34-38), 4A (40-46), 4B (46-55), 4C (56-67),
               4D (66-72), 4E (72-78), 4F (78-88), 4G (88-109),
               4H (108-125), 4I (124-139);

  Texture    : PHYRIC,SLIGHT GRAINSIZE INCREASE BETWEEN
               0-37CM,PCES 4A-4I MEDIUM-GRAINED;

  Structure  : FRACTURED WITH CALCITE FILLING,MASSIVE;

  Alteration : MOD

  Comments   : MEDIUM-DARK GRAY(N4);

  Vesicles   : Size(mm):       <2   Percent:
               Location: SCATTERED  Filling: CALCITE

  Replacement: CALCITE


Leg : 63    Top/Bottom Interval(mm):    0/1450  Analyst: Leinen, M.
Hole: 470A  Sample Midpoint (m)    :   186.45
Core:   9   Top of Core Depth (m)  :   180.50
Sect:  4    Top of Section Depth(m):   185.00

LITHOLOGY: BASALT;

  Piece No.  : PCES 1A (0-30), 1B (30-37), 1C (35-45), 1D (42-59),
               1E (59-65), 1F (65-73), 2 (74-76), 3 (78-83),
               4 (84-88), 5A (89-98), 5B (99-108), 6 (109-113),
               7A (115-121), 7B (121-130), 7C (130-133),
               8 (135-144);

  Texture    : PHANERITIC,PCES 2-4 FINE-GRAINED,PCES 1A-1F+
               5A-8 ARE FINE-TO-MEDIUM-GRAINED,INTERVAL 0-73CM IS
               SIMILAR TO LOWER PART OF CORE 9-3;

  Structure  : FRACTURED WITH CALCITE FILLING,MASSIVE;

  Alteration : MOD

  Comments   : MEDIUM-DARK GRAY(N4);

  Replacement: CALCITE


Leg : 63    Top/Bottom Interval(mm):    0/1450  Analyst: Crouch, J.
Hole: 470A  Sample Midpoint (m)    :   187.95
Core:   9   Top of Core Depth (m)  :   180.50
Sect:  5    Top of Section Depth(m):   186.50

LITHOLOGY: BASALT;

  Piece No.  : PCES 1A (1-9), 1B (6-13), 1C (14-22), 2 (25-32),
               3A (35-44), 3B (44-53), 4 (56-60), 5 (63-73),
               6 (76-84), 7A (87-96), 7B (97-100), 7C (100-110),
               8 (112-131), 9 (133-143);

  Texture    : PHYRIC,FINE-TO-MEDIUM-GRAINED,SIMILAR
               COMPOSITION & TEXTURE TO CORE 9-3;

  Structure  : CALCITE-FILLED FRACTURES,MASSIVE;

  Alteration : MOD
               EXTENSIVELY
               PCE 8;

  Comments   : MEDIUM-DARK GRAY(N4);

  Replacement: CALCITE


Leg : 63    Top/Bottom Interval(mm):    0/1100  Analyst:
Hole: 470A  Sample Midpoint (m)    :   190.60
Core:  10   Top of Core Depth (m)  :   189.50
Sect:  1    Top of Section Depth(m):   189.50

LITHOLOGY: BASALT;
           PILLOW BASALT;

  Piece No.  : PCES 1 (3-10), 2 (14-19), 3 (22-26), 4 (30-38),
               5 (42-46), 6 (48-53), 7 (55-60), 8A (63-75),
               8B (76-81), 9 (84-88), 10 (92-95), 11 (98-101),
               12 (104-110);

  Texture    : BASALTIC FLOW FRAGMENTS,PHYRIC,FINE-TO-
               MEDIUM-GRAINED,PCES 6-9 ARE COARSER-GRAINED &
               SIMILAR TO CORE 9-3,PCES 10+11 APHYRIC & APHANITIC
               BASALT FRAGMENTS;

  Structure  : PILLOWS,CALCITE-FILLED FRACTURES COMMON,MASSIVE;

  Alteration : MOD

  Comments   : MEDIUM-DARK GRAY(N4);

  Replacement: CALCITE


Leg : 63    Top/Bottom Interval(mm):    0/ 850  Analyst: Leinen, M.
Hole: 470A  Sample Midpoint (m)    :   195.35
Core:  11   Top of Core Depth (m)  :   194.50
Sect:  1    Top of Section Depth(m):   194.50

LITHOLOGY: APHYRIC BASALT;
           PILLOW BASALT;

  Piece No.  : PCES 1 (3-6), 2 (11-14), 3 (17-23), 4A (26-33),
               4B (33-36), 5 (39-42), 6 (44-51), 7 (52-59),
               8 (60-67), 9 (69-75), 10 (76-84);

  Texture    : APHANITIC,FINE-GRAINED,PCES 1+2+8 SHOW
               CHILLED MARGIN MORPHOLOGY;

  Structure  : PILLOW,MASSIVE;

  Alteration : MOD

  Comments   : MEDIUM-DARK GRAY;


Leg : 63    Top/Bottom Interval(mm):    0/  70  Analyst: Crouch, J.
Hole: 470A  Sample Midpoint (m)    :   198.57
Core:  12   Top of Core Depth (m)  :   198.50
Sect:  1    Top of Section Depth(m):   198.50

LITHOLOGY: SEDIMENT;


Leg : 63    Top/Bottom Interval(mm): 1300/1370  Analyst: Crouch, J.
Hole: 470A  Sample Midpoint (m)    :   199.87
Core:  12   Top of Core Depth (m)  :   198.50
Sect:  1    Top of Section Depth(m):   199.80

LITHOLOGY: SEDIMENT;


Leg : 63    Top/Bottom Interval(mm):  240/ 370  Analyst: Crouch, J.
Hole: 470A  Sample Midpoint (m)    :   198.87
Core:  12   Top of Core Depth (m)  :   198.50
Sect:  1    Top of Section Depth(m):   198.74

LITHOLOGY: SEDIMENT;
           COCCOLITH LIMESTONE;

  Piece No.  : PCES 3A (25-27), 3B (27-30), 3C (31-34),
               3D (34-37);


Leg : 63    Top/Bottom Interval(mm):   70/1300  Analyst: Crouch, J.
Hole: 470A  Sample Midpoint (m)    :   199.80
Core:  12   Top of Core Depth (m)  :   198.50
Sect:  1    Top of Section Depth(m):   198.57

LITHOLOGY: APHYRIC BASALT;
           PILLOW BASALT;

  Piece No.  : PCES 1 (9-13), 2 (16-23), 4 (40-43), 5 (47-53),
               6A (55-66), 6B (68-75), 6C (75-83), 7 (85-93),
               8 (95-107), 9 (109-115), 10 (119-127);

  Texture    : APHANITIC,FINE-GRAINED,PCES 2+3+5 SHOW CHILLED
               MARGIN MORPHOLOGY;

  Structure  : PILLOW;

  Alteration : MOD

  Comments   : MEDIUM-DARK GRAY(N4);


Leg : 63    Top/Bottom Interval(mm):    0/ 900  Analyst: Pisciotto, K.
Hole: 470A  Sample Midpoint (m)    :   208.40
Core:  13   Top of Core Depth (m)  :   207.50
Sect:  1    Top of Section Depth(m):   207.50

LITHOLOGY: BASALT;
           PILLOW BASALT;

  Piece No.  : PCES 1 (1-7), 2 (9-13), 3 (16-22), 4 (26-33),
               5 (38-42), 6 (46-50), 7 (55-57), 8 (63-66),
               9 (73-77), 10 (84-88);

  Texture    : BASALT FRAGMENTS,APHANITIC,FINE-GRAINED,
               PCE 5 GLASSY FRAGMENT,PCES 1+4 MEDIUM-GRAINED
               SUB-OPHITIC TO INTERSERTAL;

  Structure  : PILLOW,MASSIVE;

  Alteration : MOD

  Comments   : MEDIUM-DARK GRAY(N4),PCE 10 MARKS END OF CORE;


    

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