Leg : 26 Top/Bottom Interval(mm): 600/1400 Analyst: McKelvey, B.C.
Hole: 250A Sample Midpoint (m) : 719.90
Core: 25 Top of Core Depth (m) : 718.50
Sect: 1 Top of Section Depth(m): 719.10
LITHOLOGY: OLIVINE BASALT;
Texture : DEVITRIFIED WEATHERED GLASSY OLIVINE BASALT, COARSE
SUBOPHITIC OLIVINE BASALT;
Structure : WEATHERED APPEARANCE THROUGHOUT + BRECCIATED AND
VEINED, VEINED WITH CALCITE;
Comments : BLACK (5 Y 2/1), WEATHERED AND BRECCIATED, SEE
CORE FORM AND LITHOLOGIC DESCRIPTION IN THE
INITIAL REPORTS FOR MORE INFORMATION;
Phenocrysts: OLIVINE
DEVITRIFIED WEATHERED GLASSY OLIVINE BASALT,
COARSE SUBOPHITIC OLIVINE BASALT;
Replacement: CALCITE
VEINED WITH CALCITE;
ZEOLITE
Leg : 26 Top/Bottom Interval(mm): 0/1450 Analyst: McKelvey, B.C.
Hole: 250A Sample Midpoint (m) : 721.45
Core: 25 Top of Core Depth (m) : 718.50
Sect: 2 Top of Section Depth(m): 720.00
LITHOLOGY: OLIVINE BASALT;
Structure : CALCITE VEINING IN BRECCIATED ZONES TO 2CM ACROSS,
VEINED WITH GREEN PREHNITE THROUGHOUT UP TO 0.5 CM
WIDE, CALCITE VEINING, CALCITE VEINS WITH RANDOM
ORIENTATION;
Comments : WEATHERED APPEARANCE, SEE CORE FORM AND LITHOLOGIC
DESCRIPTION IN THE INITIAL REPORTS FOR MORE
INFORMATION;
Replacement: CALCITE
PREHNITE
CALCITE AND PREHNITE IN VEINS, CALCITE IN
BRECCIATED (ED ZO%)
Size(mm): NES;
Leg : 26 Top/Bottom Interval(mm): 0/1500 Analyst: McKelvey, B.C.
Hole: 250A Sample Midpoint (m) : 723.00
Core: 25 Top of Core Depth (m) : 718.50
Sect: 3 Top of Section Depth(m): 721.50
LITHOLOGY: OLIVINE BASALT;
Structure : LESS PREHNITE VEINING THAN SECTION 2;
Comments : WEATHERED APPEARANCE THROUGHOUT, SEE CORE FORM
AND LITHOLOGIC DESCRIPTION IN THE INITIAL REPORTS
FOR MORE INFORMATION;
Replacement: PREHNITE
LESS PREHNITE VEINING THAN SECTION 2;
Leg : 26 Top/Bottom Interval(mm): 0/ 300 Analyst: McKelvey, B.C.
Hole: 250A Sample Midpoint (m) : 729.30
Core: 26 Top of Core Depth (m) : 729.00
Sect: 1 Top of Section Depth(m): 729.00
LITHOLOGY: OLIVINE BASALT;
Structure : FRACTURED AND VEINED;
Comments : WEATHERED TO CORE 26 SECTION 4 AT 100 CM, LIGHT
OLIVE GRAY (5 Y 6/1), SEE CORE FORM AND LITHOLOGIC
DESCRIPTION IN THE INITIAL REPORTS FOR MORE
INFORMATION;
Leg : 26 Top/Bottom Interval(mm): 0/1500 Analyst: McKelvey, B.C.
Hole: 250A Sample Midpoint (m) : 732.00
Core: 26 Top of Core Depth (m) : 729.00
Sect: 2 Top of Section Depth(m): 730.50
LITHOLOGY: OLIVINE BASALT;
Texture : INCREASE IN GRAIN SIZE WITH RESPECT TO CORE 25;
Comments : SEE CORE FORM AND LITHOLOGIC DESCRIPTION IN THE
INITIAL REPORTS FOR MORE INFORMATION;
Leg : 26 Top/Bottom Interval(mm): 0/1500 Analyst: McKelvey, B.C.
Hole: 250A Sample Midpoint (m) : 733.50
Core: 26 Top of Core Depth (m) : 729.00
Sect: 3 Top of Section Depth(m): 732.00
LITHOLOGY: OLIVINE BASALT;
Structure : CALCITE AND PREHNITE VEINING THROUGHOUT BUT LESS
THAN IN CORE 25, WEATHERING FOLLOWS CALCITE VEINS;
Alteration : ALTERED + FRESH AND WEATHERED;
Comments : WEATHERING FOLLOWS CALCITE VEINS, CONTACT OF BASALT
TO BASALT, SEE CORE FORM AND LITHOLOGIC DESCRIPTION
IN THE INITIAL REPORTS FOR MORE INFORMATION;
Vesicles :
Location: Filling: CALCITE
VESICLES WITH CALCITE;
Replacement: CALCITE
CALCITE VEINING, CALCITE FILLS VESICLES;
PREHNITE
IN VEINS;
Leg : 26 Top/Bottom Interval(mm): 0/1500 Analyst: McKelvey, B.C.
Hole: 250A Sample Midpoint (m) : 735.00
Core: 26 Top of Core Depth (m) : 729.00
Sect: 4 Top of Section Depth(m): 733.50
LITHOLOGY: OLIVINE BASALT;
Structure : PREHNITE VEINING LESS OBVIOUS;
Alteration : OVERALL FRESH;
Comments : WEATHERED, LIGHT OLIVE GREY (5 Y 6/1), SEE CORE
FORM AND LITHOLOGIC DESCRIPTION IN THE INITIAL
REPORTS FOR MORE INFORMATION;
Vesicles :
Location: Filling: CALCITE
ABUNDANT CALCITE VESICLES;
Replacement: CALCITE
ABUNDANT CALCITE VESICLES;
Leg : 26 Top/Bottom Interval(mm): 0/1500 Analyst: McKelvey, B.C.
Hole: 250A Sample Midpoint (m) : 736.50
Core: 26 Top of Core Depth (m) : 729.00
Sect: 5 Top of Section Depth(m): 735.00
LITHOLOGY: OLIVINE BASALT;
Structure : VERY LITTLE APPARENT PREHNITE VEINING;
Alteration : PARTICULARLY FRESH;
Comments : SEE CORE FORM AND LITHOLOGIC DESCRIPTION IN THE
INITIAL REPORTS FOR MORE INFORMATION;
Leg : 26 Top/Bottom Interval(mm): 0/1500 Analyst: McKelvey, B.C.
Hole: 250A Sample Midpoint (m) : 738.00
Core: 26 Top of Core Depth (m) : 729.00
Sect: 6 Top of Section Depth(m): 736.50
LITHOLOGY: OLIVINE BASALT;
Texture : OVERALL INCREASE IN GRAIN SIZE THROUGHOUT WHOLE
BASALT SECTION;
Structure : VERY LITTLE APPARENT PREHNITE VEINING;
Alteration : PARTICULARLY FRESH;
Comments : SEE CORE FORM AND LITHOLOGIC DESCRIPTION IN THE
INITIAL REPORTS FOR MORE INFORMATION;
Replacement: PREHNITE
VERY LITTLE APPARENT PREHNITE VEINING;
CALCITE
SERPENTINITE
CHRYSOTILE?;
CHRYSOTILE
ID UNCERTAIN;
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