Leg : 24 Top/Bottom Interval(mm): 1050/1500 Analyst:
Hole: 235 Sample Midpoint (m) : 647.50
Core: 17 Top of Core Depth (m) : 646.00
Sect: 1 Top of Section Depth(m): 647.05
LITHOLOGY: BASALT;
Comments : THIRTEEN FRAGMENTS OF VARIOLITIC BASALT WITH SOME
ROUNDED WITH INCLUSIONS OF SLIGHTLY METAMORPHOSED
CLAYS IN CORE CATCHER AND SECTION 1, THIS
INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS
FROM THE INITIAL REPORTS, FOR FURTHER INFORMATION
SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN
THE SITE 235 CHAPTER OF THE INITIAL REPORTS;
Leg : 24 Top/Bottom Interval(mm): 0/ 0 Analyst:
Hole: 235 Sample Midpoint (m) : 647.60
Core: 17 Top of Core Depth (m) : 646.00
Sect: CC Top of Section Depth(m): 647.60
LITHOLOGY: BASALT;
Comments : FOR MORE INFORMATION SEE CORE FORM AND
LITHOLOGIC DESCRIPTION IN THE INITIAL REPORTS;
Leg : 24 Top/Bottom Interval(mm): 900/1500 Analyst:
Hole: 235 Sample Midpoint (m) : 657.00
Core: 18 Top of Core Depth (m) : 655.50
Sect: 1 Top of Section Depth(m): 656.40
LITHOLOGY: BASALT;
Texture : VARIOLITIC BASALT WITH SOME FIBROUS, MICROLITES OF
FRESH PLAG AND OLIVINE SKELETONS;
Structure : FRACTURED VARIOLITIC BASALT;
Alteration : ALTERED BASALT (YELLOWISH GRAY TO BROWNISH RED
STAIN) (INTERVAL 90-100 CM), SLIGHTLY
METAMORPHOSED SEDIMENT (CARBONITIZED CLAY)
(INTERVAL 100-105 CM) + (INTERVAL 110-114 CM) +
(INTERVAL 125-135 CM);
Comments : THIS INFORMATION IS FROM THE DETAILED CORE
DESCRIPTIONS LOCATED IN THE INITIAL REPORTS,
FOR FURTHER INFORMATION SEE THE PRELIMINARY
PETROGRAPHIC DESCRIPTIONS IN THE SITE 235 CHAPTER
OF THE INITIAL REPORTS;
Leg : 24 Top/Bottom Interval(mm): 0/ 0 Analyst:
Hole: 235 Sample Midpoint (m) : 657.10
Core: 18 Top of Core Depth (m) : 655.50
Sect: CC Top of Section Depth(m): 657.10
LITHOLOGY: BASALT;
Comments : FOR MORE INFORMATION SEE CORE FORM AND LITHOLOGIC
DESCRIPTION IN THE INITIAL REPORTS;
Leg : 24 Top/Bottom Interval(mm): 200/1500 Analyst:
Hole: 235 Sample Midpoint (m) : 666.50
Core: 19 Top of Core Depth (m) : 665.00
Sect: 1 Top of Section Depth(m): 665.20
LITHOLOGY: BASALT;
BRECCIA;
Texture : UNIFORM VARIOLITIC BASALT INTERSPERSED WITH
INCLUSIONS OF METAMORPHOSED SEDIMENTS, ANGULAR
FRAGMENTS (2-20 MM) OF VARIOLITIC BASALT AND
PALAGONITIZED BASALTIC GLASS IN BRECCIA CEMENTED
WITH CARBONATE-CHLORITE, VARIOLITIC BASALT WITH
SKELETAL MICROLITES OF PLAGIOCLASE AND OLIVINE;
Alteration : BASALT INTERSPERSED WITH INCLUSIONS OF
METAMORPHOSED SEDIMENTS, PALAGONITIZED BASALTIC
GLASS;
Comments : THIS INFORMATION IS FROM THE DETAILED CORE
DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR
FURTHER INFORMATION SEE THE PRELIMINARY
PETROGRAPHIC DESCRIPTIONS IN THE SITE 235 CHAPTER OF
THE INITIAL REPORTS;
Replacement: CHLORITE
CARBONATE
BRECCIA WITH CARBONATE GROUNDMASS;
Leg : 24 Top/Bottom Interval(mm): 0/1500 Analyst:
Hole: 235 Sample Midpoint (m) : 668.00
Core: 19 Top of Core Depth (m) : 665.00
Sect: 2 Top of Section Depth(m): 666.50
LITHOLOGY: BASALT;
BRECCIA;
Texture : BRECCIA WITH COMPONENTS AS ABOVE BUT HERE
VARIOLITIC BASALT AND GLASS FRAGMENTS PREDOMINATE
OVER GROUNDMASS (INTERVAL 120-150 CM);
Structure : SEVERAL THIN VEINS IN THIS MASSIVE BASALT ARE
FILLED BY CHLORITE AND CALCITE AND ONE BY SILICA
(INTERVAL 75-120 CM);
Alteration : SEE CODE (O) FOR ALTERATION INFORMATION;
Comments : BRECCIA OF VARIOLITIC BASALT AND PALAGONITIZED
BASALTIC GLASS (WITH ALTERED OR REPLACED PHENOS
OF PLAG AND OLIVINE) IN A PREDOMINANT GROUNDMASS
OF CARBONATE-CHLORITE DERIVED FROM METAMORPHOSED
SEDIMENT (INTERVAL 0-83 CM), ZONE OF MYLONITE
(FRAGMENTS LESS THAN 1.0 MM), THIS INFORMATION IS
FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE
THE INITIAL REPORTS, FOR FURTHER INFORMATION
SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS
IN THE SITE 235 CHAPTER OF THE INITIAL REPORTS;
Vesicles :
Location: Filling: CHLORITE
SPINEL BEARING VESICULAR VARIOLITIC BASALT
WITH PHENOCRYSTS OF PLAGIOCLASE (1-2 MM) AND
VESICLES INCRUSTED OR FILLED BY CHLORITE
(INTERVAL 75-125 CM);
Replacement: CHLORITE
CARBONATE
Leg : 24 Top/Bottom Interval(mm): 0/1500 Analyst:
Hole: 235 Sample Midpoint (m) : 669.50
Core: 19 Top of Core Depth (m) : 665.00
Sect: 3 Top of Section Depth(m): 668.00
LITHOLOGY: BASALT;
Structure : FRACTURED AND BRECCIATED BASALT WITH RUPTURES NEARLY
VERTICAL;
Alteration : FRESH TO SOMEWHAT ALTERED VARIOLITIC BASALT WITH
PLAG PHENOCRYSTS PARTIALLY REPLACED BY SERICITE -
CHLORITE AND OLIVINE PHENOCRYSTS REPLACED BY
SERPENTINE;
Comments : THIS INFORMATION IS FROM THE DETAILED CORE
DESCRIPTIONS LOCATED IN THE INITIAL REPORTS,
FOR FURTHER INFORMATION SEE THE PRELIMINARY
PETROGRAPHIC DESCRIPTIONS IN THE SITE 235 CHAPTER
OF THE INITIAL REPORTS;
Vesicles : VESICLES FILLED;
Phenocrysts: PLAGIOCLASE
OLIVINE
Replacement: SERICITE
Minerals Replaced: PLAG
CHLORITE
Minerals Replaced: PLAG
PLAG PHENOS PARTIALLY REPLACED BY SERICITE -
CHLORITE;
SERPENTINITE
Minerals Replaced: OL
OLIVINE PHENOCRYSTS REPLACED BY SERPENTINE;
Leg : 24 Top/Bottom Interval(mm): 0/ 0 Analyst:
Hole: 235 Sample Midpoint (m) : 669.60
Core: 19 Top of Core Depth (m) : 665.00
Sect: CC Top of Section Depth(m): 669.60
LITHOLOGY: BASALT;
Comments : FOR MORE INFORMATION SEE CORE FORM AND LITHOLOGIC
DESCRIPTION IN THE INITIAL REPORTS;
Leg : 24 Top/Bottom Interval(mm): 400/1500 Analyst:
Hole: 235 Sample Midpoint (m) : 676.00
Core: 20 Top of Core Depth (m) : 674.50
Sect: 1 Top of Section Depth(m): 674.90
LITHOLOGY: BASALT;
Texture : FRAGMENT OF METAMORPHOSED SEDIMENT POSSIBLY A TOP OF
FLOW, PRIMARILY PORPHYRITIC RATHER THAN VARIOLITIC
BELOW TOP LEVEL OF SECTION;
Structure : FRACTURE ZONE BRECCIATED AND ROLLED BASALT WITH
OXIDATION STAINS AND WITH A STRUCTURE PRIMARILY
PORPHYRITIC RATHER THAN VARIOLITIC BELOW TOP LEVEL
OF SECTION, VEINS OR CRACKS FILLED WITH CARBONATE;
Alteration : PHENOCRYSTS ALTERED TO CHLORITE - CARBONATE AND
SERPENTINE;
Comments : PORPHYRITIC AND VARIOLITIC BASALT + GREENISH GRAY +
HAS FILLED ROUND VESICLES, THIS INFORMATION IS FROM
THE DETAILED CORE DESCRIPTIONS LOCATED IN THE
INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE
PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE
235 CHAPTER OF THE INITIAL REPORTS;
Vesicles :
Location: Filling:
Shape : ROUND
FILLED ROUND VESICLES;
Replacement: CHLORITE
SERPENTINITE
CARBONATE
PHENOS ALTERED TO CHLORITE - CARBONATE AND
SERPENTINE;
Leg : 24 Top/Bottom Interval(mm): 0/1500 Analyst:
Hole: 235 Sample Midpoint (m) : 677.50
Core: 20 Top of Core Depth (m) : 674.50
Sect: 2 Top of Section Depth(m): 676.00
LITHOLOGY: BASALT;
Texture : PORPHYRITIC BASALT;
Structure : THREE HORIZONS OF SLIGHTLY ALTERED AND LITTLE
FRACTURED PORPHYRITIC BASALT OCCURRING WITHIN A
DOMINANTLY FRACTURED TO LOCALLY BRECCIATED
SECTION;
Alteration : THREE HORIZONS OF SLIGHTLY ALTERED BASALT (SEE
CODE (S) FOR FURTHER DETAILS), PLAG FRESH;
Comments : THIS INFORMATION IS FROM THE DETAILED CORE
DESCRIPTIONS LOCATED IN THE INITIAL REPORTS,
FOR FURTHER INFORMATION SEE THE PRELIMINARY
PETROGRAPHIC DESCRIPTIONS IN THE SITE 235 CHAPTER
OF THE INITIAL REPORTS;
Vesicles :
Location: Filling: CARB, ZEOLITES
VESICLES FILLED WITH CARBONATE AND FIBROUS
ZEOLITES;
Phenocrysts: PLAGIOCLASE
PLAGIOCLASE PHENOCRYSTS CRUSHED + SKELETAL
TO EUHEDRAL AND FRESH;
Groundmass : CARBONATE
POCKETS OF CARBONATE IN GROUNDMASS;
Replacement: CARBONATE
ZEOLITE
CARB AND ZEOLITES IN VESICLES;
Leg : 24 Top/Bottom Interval(mm): 0/1500 Analyst:
Hole: 235 Sample Midpoint (m) : 679.00
Core: 20 Top of Core Depth (m) : 674.50
Sect: 3 Top of Section Depth(m): 677.50
LITHOLOGY: BASALT;
BRECCIA;
Texture : VARIOLITIC TO PORPHYRITIC BASALT;
Structure : FRACTURED VARIOLITIC TO PORPHYRITIC BASALT + LOCALLY
WITH BRECCIA LAYERS + WITH TWO RELATIVELY
UNSHATTERED BASALT HORIZONS NEAR ITS BASE;
Comments : THIS INFORMATION IS FROM THE DETAILED CORE
DESCRIPTIONS LOCATED IN THE INITIAL REPORTS,
FOR FURTHER INFORMATION SEE THE PRELIMINARY
PETROGRAPHIC DESCRIPTIONS IN THE SITE 235 CHAPTER
OF THE INITIAL REPORTS;
Leg : 24 Top/Bottom Interval(mm): 0/1500 Analyst:
Hole: 235 Sample Midpoint (m) : 680.50
Core: 20 Top of Core Depth (m) : 674.50
Sect: 4 Top of Section Depth(m): 679.00
LITHOLOGY: BASALT;
BRECCIA;
Texture : PORPHYRITIC BASALT;
Structure : MASSIVE HARDLY FRACTURED PORPHYRITIC BASALT WITH
SEVERAL NARROW HORIZONS OF FRACTURES AND FINE
BRECCIA;
Alteration : SLIGHTLY ALTERED;
Comments : THIS INFORMATION IS FROM THE DETAILED CORE
DESCRIPTIONS LOCATED IN THE INITIAL REPORTS,
FOR FURTHER INFORMATION SEE THE PRELIMINARY
PETROGRAPHIC DESCRIPTIONS IN THE SITE 235 CHAPTER
OF THE INITIAL REPORTS;
Phenocrysts: PLAGIOCLASE ( 5-15%)
Size(mm): 0.5 - 3.0
PORPHYRY WITH PHENOS (0.5 TO 3.0 MM) OF PLAG
COMMONLY REPLACED BY CHLORITIC AGGREGATES
MAKING UP 5-15 PERCENT OF ROCK;
OLIVINE ( 3%)
OLIVINE (ALTERED) AT ABOUT 3 PERCENT;
Groundmass : PLAGIOCLASE
GLASS
GROUNDMASS VARIOLITIC WITH PLAG MICROLITES
RADIAL IN ALTERED GLASS BACKGROUND;
Replacement: CHLORITE
Minerals Replaced: PLAG
PLAG COMMONLY REPLACED BY CHLORITIC AGGREGATES;
Leg : 24 Top/Bottom Interval(mm): 0/1500 Analyst:
Hole: 235 Sample Midpoint (m) : 682.00
Core: 20 Top of Core Depth (m) : 674.50
Sect: 5 Top of Section Depth(m): 680.50
LITHOLOGY: BASALT;
BRECCIA;
Texture : PORPHYRITIC BASALT;
Structure : MASSIVE PORPHYRITIC BASALT SLIGHTLY ALTERED WITH
LOCALIZED FRACTURE ZONES AND ASSOCIATED BRECCIA;
Alteration : SLIGHTLY ALTERED (MEGASCOPICALLY);
Comments : THIS INFORMATION IS FROM THE DETAILED CORE
DESCRIPTIONS LOCATED IN THE INITIAL REPORTS,
FOR FURTHER INFORMATION SEE THE PRELIMINARY
PETROGRAPHIC DESCRIPTIONS IN THE SITE 235 CHAPTER
OF THE INITIAL REPORTS;
Leg : 24 Top/Bottom Interval(mm): 0/ 0 Analyst:
Hole: 235 Sample Midpoint (m) : 682.10
Core: 20 Top of Core Depth (m) : 674.50
Sect: CC Top of Section Depth(m): 682.10
LITHOLOGY: BASALT;
Comments : FOR MORE INFORMATION SEE CORE FORM AND LITHOLOGIC
DESCRIPTION IN THE INITIAL REPORTS;
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