leg site hole core section top interval depth(cm) top of core depth(cm) top of section(m) sample midpoint depth(m) describer rock name piece numbers texture data structure data alteration data other information data vesicle data phenocryst data groundmass mineral data replacement mineral data comments unknown code 24 238 55 1 15.0 506.00 506.15 507.50 BASALT HABIT MASSIVE WITH FOUR THIN NEAR HORIZONTAL GLASSY ZONES LOCATED AT 15 CM + AT 90 CM + AT 123 CM + AT 135 CM THIN (1-3 MM) FRACTURES FILLED WITH CARBONATE, VEINS FILLED WITH CALCITE comments: DARK GRAY TO GREENISH YELLOW RATHER FRESH MICRO- DOLERITIC BASALT WITH RARE SMALL PHENOCRYSTS OF PLAGIOCLASE,GLASSY ZONES HAVE GLASS PALAGONITIZED AND ASSOCIATED WITH VEINS + FILLED VESICLES OR CALCITE AND INCLUSIONS (OR FILLED CRACKS) OF SLIGHTLY ALTERED CARBONATE MICRO-FOSSILS THE GREENISH-YELLOW AREAS MAY BE OXIDIZED OR OTHERWISE WEATHERED, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS FROM THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS CARBONATE ROUND comments : ROUND VESICLES FILLED WITH CARBONATE | CALCITE comments : GLASS ASSOCIATED WITH VEINS AND VESICLES OF CALCITE | CARBONATE ROUND comments : ROUND VESICLES FILLED WITH CARBONATE | CALCITE comments : GLASS ASSOCIATED WITH VEINS AND VESICLES OF CALCITE PLAG comments : MICRO-DOLERITIC BASALT WITH RARE SMALL PHENOSOF PLAGIOCLASE AUGITE comments : AUGITE ABUNDANT IN GROUNDMASS CARB comments : THIN (1-3 MM) FRACTURES FILLED WITH CARBONATE | CALCITE comments : GLASS ASSOCIATED WITH VEINS AND FILLED VESICLES OF CALCITE 24 238 55 2 0.0 506.00 507.50 509.00 BASALT PCES NO PCE NUMBERS ASSIGNED MICRO-DOLERITIC, FOUR THIN GLASSY LAYERS LOCATED AT 15CM, 70CM, 80-95CM, AND 110CM MASSIVE, MODERATELY FRACTURED WITH 1-2MM CRACKS NEARLY VERTICAL AND ENCRUSTED WITH CALCITE comments: SOMEWHAT WEATHERED(?) COLOR GREENISH-GRAY, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS ROUND comments : ABUNDANT ROUND VESICLES FILLED CALCITE 24 238 55 3 0.0 506.00 509.00 510.50 BASALT PCES NO PCE NUMBERS ASSIGNED MICRO-DOLERITIC MASSIVE, LITTLE FRACTURED, TWO VEINS OF CARB 3-6MM WIDE IN UPPER PART OF SECTION POSSIBLE METAMORPHOSED CALCAREOUS SEDIMENTS, GREENISH-GRAY TO DARK GRAY CALCITE ROUND comments : LARGE ROUND VESICLES, SOME FILLED WITH CALCITE, MOST SHOW RIMS ONLY OR ARE EMPTY AUGITE comments : AUGITE COMMON, RATHER FRESH CARB comments : IN VEINS | CALCITE comments : IN SOME VESICLES 24 238 56 1 0.0 515.50 515.50 517.00 BASALT PCES NO PCE NUMBERS ASSIGNED PHENOS RARE, GLASSY ZONE AT 130-140CM, MICRO- DOLERITIC MASSIVE, POROUS AT TOP OF SECTION (0-10CM)-PROBABLY CENTRAL PORTION OF A LAVA FLOW, FRACTURES FILLED WITH CALCITE AGGREGATES FRESH RATHER FRESH DARK-GRAY, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS TO 5 CARB,CHLORITE ROUND comments : HIGHLY VESICULAR ZONE AT TOP OF SECTION, LARGE ROUND VESICLES EMPTY OR PARTIALLY TO WHOLLY FILLED BY CARB-CHLORITE comments : PHENOS RARE AUGITE comments : ABUNDANT CARB | CHLORITE comments : CARB-CHLORITE FILLING VESICLES, CARB AGGREGATES IN FRACTURES 24 238 56 2 0.0 515.50 517.00 518.50 BASALT PCES NO PCE NUMBERS ASSIGNED PLAG AND AUGITE PHENOS PRESENT, PALAGONITIZED AND DEVITRIFYING BASALTIC GLASS, VERY FINE-GRAINED MASSIVE, SMALL IRREGULAR VUGS AND CAVITIES FILLED OR LINED WITH CALCITE comments: ALTERED DARK-GRAY, IRON COMPOUNDS GIVE BROWN HUE TO GNDMASS AND 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 238 CHAPTER OF THE INITIAL REPORTS CALCITE,ZEOLITES comments : ROUND VESICLES FILLED OR LINED WITH CALCITE, SOME EXTREMELY VESICULAR HORIZONS WITH SMALL ROUND VESICLES FILLED WITH ZEOLITES PLAG comments : FRESH | AUGITE comments : RARE, OCCASIONAL AGGREGATES OF PLAG-AUGITE PHENOS CALCITE | ZEOLITES 24 238 56 3 6.0 515.50 518.56 520.00 BASALT PCES NO PCE NUMBERS ASSIGNED SOME PLAG PHENOCRYSTS PRESENT, DOLERITIC (DIABASIC) MASSIVE, FRACTURES PRESENT DARK GRAY, THIN OXIDATION ZONES ALONG THE FRACTURES, OXIDIZED ZONE AT 87-95CM, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS 0 PLAG comments : SOME PLAG PHENOS, AGGREGATES OF CORRODED PLAGPHENOS CHLORITE PLAG comments : ALTERATION TO CHLORITE COMMON 24 238 57 1 106.0 525.00 526.06 526.50 BASALT PCE NO PCE NUMBERS ASSIGNED MASSIVE, TWO FRACTURES FILLED BY CHLORITE-ZEOLITE AGGREGATES DARK-GRAY, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS CHLORITE | ZEOLITE 24 238 57 2 0.0 525.00 526.50 528.00 BASALT PCE NO PCE NUMBERS ASSIGNED RARE SMALL PHENOS OF PLAG AND OL, INTERSERTAL, SEVERAL GLASSY LAYERS ASSOCIATED WITH VEINS OR INCLUSIONS OF METAMORPHOSED SEDIMENTS MASSIVE, VEINS PRESENT DARK GRAY, INCLUSIONS OF METAMORPHOSED SEDIMENTS, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS 0 PLAG | OL comments : FRESH, RARE PHENOS 24 238 57 3 0.0 525.00 528.00 529.50 BASALT PCE NO PCE NUMBERS ASSIGNED MICRO-DOLERITIC, TWO GLASSY LAYERS OVERLYING HORIZONS OF CAVITIES MASSIVE, HORIZONS OF CAVITIES FILLED WITH CALCITE- CHLORITE AND ASSOCIATED WITH LENSES OR INCLUSIONS OF PARTIALLY-RECRYSTALLIZED MICRO-FOSSIL ASSEMBLAGES AND CARB SEDIMENT comments: MICRO-DOLERITIC WITH ALTERED GRAINS PARTIALLY RECRYSTALLIZED MICRO-FOSSIL ASSEMBLAGES AN CARB SEDIMENT PRESENT, DARK GRAY, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE SITE 238 CHAPTER OF THE INITIAL REPORTS 0 PLAG comments : PARTIALLY CHLORITIZED WITH AUGITE AND DUSTY OPAQUES CHLORITE | CALCITE 24 238 58 1 50.0 531.50 532.00 533.00 BASALT PCE NO PCE NUMBERS ASSIGNED ZONE OF BRECCIATED GLASS MASSIVE, POSSIBLE FILLED CRACK OF SEDIMENTS DARK GRAY, INCLUSIONS OF METAMORPHOSED SEDIMENTS ORIENTED ALMOST VERTICALLY (FILLED CRACK?), THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS 24 238 58 2 0.0 531.50 533.00 534.50 BASALT PCES NO PCE NUMBERS ASSIGNED THREE GLASSY HORIZONS LOCATED AT 35CM, 105CM, AND 150CM, PLAG-OL PHENOS PRESENT MASSIVE comments: RATHER ALTERED DARK GRAY, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER IN THE INITIAL REPORTS comments : VERY SLIGHTLY VESICULAR PLAG comments : IRREGULAR | OL comments : RARE ALTERED OL PHENOS AUGITE 24 238 58 3 0.0 531.50 534.50 536.00 BASALT PCES NO PCE NUMBERS ASSIGNED MICRO-DOLERITE, NOT MARKEDLY PORPHYRITIC, ZONES OF GLASS AND GLASSY RIMS ON CAVITIES, THREE GLASS HORIZONS AT 0-5CM, 55-60CM, AND 110-115CM MASSIVE, CAVITIES PRESENT WITH GLASS RIMS comments: GNDMASS AUGITE PARTIALLY ALTERED DARK GRAY, LOCALLY IRON STAINED, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS PLAG | AUGITE comments : PARTIALLY ALTERED AUGITE 24 238 58 4 6.0 531.50 536.06 537.50 PLAG SPARSELY PHYRIC BASALT PCES NO PCE NUMBERS ASSIGNED SPARSELY PHYRIC, THREE GLASSY ZONES, GLASSY SELVAGES, MICRO-DOLERITE (MICRO-DIABASE) MASSIVE, NARROW FRACTURES FILLED WITH CALCITE FRESHcomments: MOD FRESH DARK GRAY, INCLUSIONS OF METAMORPHOSED CARBONATE SEDIMENTS AND PARTIALLY RECRYSTALLIZED MICRO-FOSSILS BETWEEN GLASSY SELVAGES, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS PLAG AUGITE comments : MOD FRESH | OPX comments : VERY MINOR OPX IN GNDMASS CALCITE comments : FILLING FRACTURES 24 238 58 5 0.0 531.50 537.50 539.00 BASALT PCES NO PCE NUMBERS ASSIGNED FOUR THIN GLASSY ZONES FRACTURES OR JOINTS FILLED WITH CHLORITE-CALCITE- ZEOLITE ASSEMBLAGE, MASSIVE DARK GRAY, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS CHLORITE | CALCITE | ZEOLITE comments : CHLORITE-CALCITE-ZEOLITE ASSEMBLAGE 24 238 59 1 44.0 539.00 539.44 540.50 BASALT PCES NO PCE NUMBERS ASSIGNED RARE PHENOS OF PLAG, DOLERITIC, THREE GLASSY HORIZONS MASSIVE, LITTE FRACTURED comments: CHLORITIZATION COMMON DARK GRAY, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS PLAG 3-4 comments : RARE AUGITE comments : LOCALLY LITTLE ALTERED, DUSTY AGGREGATES OF DARK MINERALS 24 238 59 2 0.0 539.00 540.50 542.00 BASALT PCES NO PCE NUMBERS ASSIGNED DOLERITIC, INTERSERTAL TEXTURE, GLASSY SELVAGES BORDERING FINE-GRAINED METAMORPHOSED CARB SEDIMENTS MASSIVE, FRACTURED DARK GRAY, FINE-GRAINED METAMORPHOSED CARB SEDIMENT WITH FEW RECOGNIZABLE MICRO-FOSSILS PRESENT, IRON STAINED, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS OL comments : SOME OL | PLAG comments : COARSE PLAG AGGREGATES RATHER THAN INDIVIDUAL PHENOS | OP.MINS comments : DUSTY AGGREGATES OF OPAQUES 24 238 59 3 0.0 539.00 542.00 543.50 BASALT PCES NO PCE NUMBERS ASSIGNED SMALL PHENOS OF PLAG AND OL PRESENT, FIBROUS TO ACICULAR AUGITE GNDMASS SHOWING FLOW STRUCTURE IN PLAG NEEDLE ALIGNMENT DARK GRAY, THREE HORIZONS OF BRECCIATED GLASS WITH DIP INCREASING WITH DEPTH IN SECTION, UPPER PORTION OF BRECCIA HORIZON IS VERY FRESH TO PALAGONITIZED BASALTIC GLASS WITH RARE SMALL PLAG AND OL PHENOS, CRACKS FILLED WITH CALCITE, THE MID-PORTION IS STAINED GLASS AND SMALL PLAG NEEDLES, WITH CALCITE FILLING CAVITIES AND CRACKS IN LARGE GRAINS OF PLAG, THE LOWER PART OF THE ZONE IS SIMILAR TO THE MIDDLE, WITH NEEDLES SHOWING FLOW AND LESS CALCITE PRESENT, RATHER ALTERED, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS 0 PLAG comments : SMALL | OL comments : FRESH AUGITE comments : AUGITE COMMON IN GNDMASS, FIBROUS TO ACICULAR 24 238 59 4 0.0 539.00 543.50 545.00 DIABASE PCES NO PCE NUMBERS ASSIGNED COARSE, NOT MARKEDLY PORPHYRITIC, RARE PHENOS OF PLAG, GLASSY ZONE AT 15CM, GLASS FRAGMENT AT BOTTOM MASSIVE, LITTLE-JOINTED, NO OBVIOUS DIRECTIONAL FLOW STRUCTURES FRESH ROLLED (?) FRAGMENT OF METAMORPHOSED SEDIMENT AND GLASS AT BOTTOM, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS PLAG comments : RARE PHENOS OF PLAG AUGITE comments : FRESH | PLAG comments : SOMEWHAT CHLORITIZED | OP.MINS comments : DUSTY AGGREGATES 24 238 60 1 42.0 547.50 547.92 549.00 BASALT PCES NO PCE NUMBERS ASSIGNED PLAG PHENOS PRESENT, ABUNDANT BROWN GLASS, SEVERAL GLASSY ZONES DIPPING SLIGHTLY FRACTURED, MASSIVE, FLOWAGE ALIGNMENT SHOWN BY FINE PLAG NEEDLES IN GLASS, CAVITIES AND CRACKS FILLED WITH CALCITE DARK GRAY TO GRAYISH BROWN, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS PLAG comments : AGGREGATES OF LARGE STUBBY PLAG GRAINS MAKEPHENOS, PLAG PHENOS CORRODED 24 238 60 2 0.0 547.50 549.00 550.50 DIABASE PCES NO PCE NUMBERS ASSIGNED GLASSY ZONES PRESENT, LOCATED AT 45CM, 80CM, 125CM, AND 135CM, PLAG PHENOS PRESENT SLIGHTLY FRACTURED FRESHcomments: FAIRLY FRESH DARK GRAY, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS comments : RARE VESICLES WITH FINE-GRAINED RIMS, EMPTY PLAG comments : AGGREGATES OF STUBBY ANHEDRAL PLAG MAKE PHENOS AUGITE comments : COMMON | OL comments : SOME 24 238 60 3 0.0 547.50 550.50 552.00 BASALT PCES NO PCE NUMBERS ASSIGNED MASSIVE, FRACTURES FILLED BY CALCITE, ONE FRACTURE IS ENRICHED BY YELLOW MATERIAL (SULFUR?) SEDIMENTS (MARBLE) ARE PRESENT AT 55-60CM, THERE IS ONE INCLUSION OF METAMORPHOSED SEDIMENTS WITH LAYERING (MARBLE), THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE PRELIMINARY PETROGRAPHIC REPORTS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS CALCITE 24 238 60 4 0.0 547.50 552.00 553.50 BASALT PCES NO PCE NUMBERS ASSIGNED PLAG PHENOS PRESENT, SIX GLASSY ZONES ARE ASSOCIATED WITH METAMORPHOSED SEDIMENTS AND CALCITE MASSIVE DARK GRAY, METAMORPHOSED SEDIMENTS ARE PRESENT, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS PLAG CALCITE 24 238 61 1 0.0 556.50 556.50 558.00 BASALT PCES NO PCE NUMBERS ASSIGNED GLASSY ZONES AND SELVAGES ASSOCIATED WITH INCLUSIONS AND CRACK FILLINGS MASSIVE, CAVITIES AND SEAMS FILLED WITH PALAGONITIZED GLASS, LOCALLY FRACTURED, CRACKS FILLED WITH FINE-GRAINED METAMORPHOSED CARB SEDIMENTS DARK GRAY, EXTREMELY FINE-GRAINED CARB METAMORPHOSED SEDIMENT WITH NO OBVIOUS MICROFOSSILS STILL EVIDENT, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS 24 238 61 2 0.0 556.50 558.00 559.50 BASALT PCES NO PCE NUMBERS ASSIGNED RARE PHENOS OF PLAG, ONE GLASSY LAYER IN THE UPPER PART OF THE SECTION, MEDIUM-GRAINED, EQUIGRANULAR MASSIVE, RELATIVELY UNFRACTURED comments: SOMEWHAT ALTERED DARK GRAY, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS ROUND comments : ROUND VESICLES, FILLED WITH FINE-GRAINED CHLORITE(?) AND WITH DUSTY AGGREGATES OF OPAQUES LOCALLY IN POCKETS OR AT RIM PLAG comments : RARE, SMALL, FRESH AUGITE comments : ABUNDANT | OL comments : OCCASIONALLY PRESENT CHLORITE comments : QUESTIONABLE | OP.MINS 24 238 61 3 0.0 556.50 559.50 561.00 BASALT PCES NO PCE NUMBERS ASSIGNED MICRO-DOLERITIC, PLAG PHENOS PRESENT, THREE MAJOR GLASSY HORIZONS LOCATED AT 13CM, 75-80CM, AND 100CM LOCALLY FRACTURED, NO FLOW STRUCTURE FRESH FAIRLY FRESH DARK GRAY, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS PLAG comments : CORRODED PLAG comments : PARTIALLY CHLORITIZED | AUGITE comments : ANHEDRAL, COMMON TO ABUNDANT 24 238 61 4 0.0 556.50 561.00 562.50 BASALT PCES NO PCE NUMBERS ASSIGNED DOLERITIC, RARE PLAG PHENOS, FOUR GLASSY HORIZIONS LOCATED AT 0CM, 50CM, 57CM, AND 75CM MASSIVE DARK GRAY, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS comments : VESICLES ROUND, COMMON, FILLED PLAG comments : RARE POORLY-DEVELOPED AUGITE comments : MODERATELY FRESH, ABUNDANT | PLAG comments : CHLORITIZATION OBVIOUS 24 238 62 1 112.0 566.00 567.12 567.50 BASALT PCES NO PCE NUMBERS ASSIGNED GLASSY SEAMS DARK GRAY, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS 24 238 62 2 0.0 566.00 567.50 569.00 BASALT PCES NO PCE NUMBERS ASSIGNED RARE PLAG PHENOS, MEDIUM-GRAINED BASALT SEGMENTED BY NUMEROUS GLASSY SEAMS OF VARIOUS ORIENTATION CHLORITE FILLS IRREGULAR SMALL CAVITIES AND RARE ROUND CAVITIES DARK GRAY, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS PLAG comments : RARE SUBHEDRAL PHENOS AUGITE comments : ABUNDANT, ALTERED IN VARYING DEGREE, CHLORITIZATION COMMON IN GNDMASS CHLORITE 24 238 62 3 0.0 566.00 569.00 570.50 MICRO-DOLERITE PCES NO PCE NUMBERS ASSIGNED PLAG PHENOS PRESENT, FIVE GLASSY HORIZONS IN THIS SECTION LOCATED AT 5CM, 20CM, 50CM, 90CM, AND 130CM MASSIVE DARK GRAY, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS CALCITE comments : ROUND TO IRREGULAR VESICLES FILLED WITH CALCITE PLAG comments : FRESH SUBHEDRAL PLAG PHENOS AUGITE comments : FRESH | OL comments : MINOR | PLAG | OP.MINS comments : CHLORITIZATION OF PLAG AND AGGREGATES OF OPAQUES CHLORITE 24 238 63 1 121.0 574.50 575.71 576.00 BASALT PCES NO PCE NUMBERS ASSIGNED DARK GRAY, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS 24 238 64 1 74.0 580.50 581.24 581.75 BASALTIC BRECCIA PCES NO PCE NUMBERS ASSIGNED BRECCIA COMPOSED OF ANGULAR FRAGMENTS AND CHIPS OF PALAGONITIZED GLASS AND LARGER FRAGMENTS OF BASALT, CEMENTED BY CALCITE AND BY SOMEWHAT METAMORPHOSED FINE-GRAINED CARB SEDIMENT, LOCALLY WITH VESTIGES OF MICRO-FOSSILS, THE LARGER GRAINS OF CALCITE ARE I CONTACT WITH GLASS FRAGMENTS 24 238 64 1 125.0 580.50 581.75 582.00 BASALT PCES NO PCE NUMBERS ASSIGNED PLAG PHENOS PRESENT, FINE-GRAINED, GLASS IN GNDMASS, GLASSY HORIZON AT 150CM MASSIVE comments: CHLORITIZATION GENERAL DARK GRAY, IRON STAINING, THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS CHLORITE comments : SMALL ROUND VESICLES FILLED WITH CHLORITE PLAG comments : SUBHEDRAL, ALTERED, IN AGGREGATES AUGITE | OP.MINS comments : DUSTY AGGREGATES OF OPAQUES CHLORITE 24 238 64 2 0.0 580.50 582.00 583.50 BASALT AND BASALTIC BRECCIA PCES NO PCE NUMBERS ASSIGNED FOUR MAJOR ZONES OF BRECCIA AT 10-50CM, 60-75CM, 85-105CM, AND 135-150CM, BASALT HAS GLASSY DRIFTS IN GNDMASS, RARE PLAG PHENOS BASALT IS MASSIVE AND FRACTURED, IRREGULAR CAVITIES FILLED WITH CALCITE comments: CONSIDERABLE ALTERATION, WITH CHLORITIZATION GENERAL, CORROSION OF PLAG PHENOS, AND ALTERATION OF AUGITE IN GNDMASS BASALT IS DARK GRAY, THE FOUR ZONES OF BRECCIA ARE AT STEEP ANGLES TO THE HORIZONTAL, ANGULAR FRAGMENTS OF BASALTIC GLASS, WITH ROUNDED PLAG PHENOS AND WITH PALAGONITIZED RIMS, CEMENTED BY COARSELY AND IRREGULARLY CRYSTALLIZED CALCITE IN VEINS OR BY FINE-GRAINED, LITTLE-METAMORPHOSED CARB SEDIMENTS THAT APPEAR TO BE INCLUSIONS | THIS INFORMATION IS FROM THE DETAILED CORE DESCRIPTIONS LOCATED IN THE INITIAL REPORTS, FOR FURTHER INFORMATION SEE THE PRELIMINARY PETROGRAPHIC DESCRIPTIONS IN THE SITE 238 CHAPTER OF THE INITIAL REPORTS CHLORITE ROUND comments : SMALL ROUND VESICLES EMPTY WITH RIMS OF CHLORITE OR CALCITE OR FILLED WITH CHLORITE PLAG comments : RARE, CORRODED AGGREGATES AUGITE comments : ALTERED CHLORITE | CALCITE