Leg : 65 Top/Bottom Interval(mm): 300/ 310 Describer: Robinson, P. Hole: 482D Top of Core Depth(m) : 138.00 Rock Type: IGNEOUS Core: 8 Sample Midpoint(m) : 138.31 Sect/Pc #: 1/PCE 4A ROCK = PLAG SPARSELY PHYRIC BASALT; Texture: SPARSELY PORPHYRITIC,FINE- TO MEDIUM-GRAINED, INTERSERTAL-INTERGRANULAR,SUBVARIOLITIC; Where sampled: FLOW INTERIOR* Phenocrysts- PLAGIOCLASE ( 1%) Size(mm): 0.5-1 Morphology: SUBHEDRAL,LATHS FRESH* Groundmass - OLIVINE ( 1%) Size(mm): 0.1-0.3 IDENTITY QUESTIONABLE--POSSIBLE PSEUDOMORPHS OF CARB AND PYRITE; PLAGIOCLASE ( 55%) Size(mm): 0.2-0.5 Morphology: SUBHEDRAL,LATHS FRESH; CLINOPYROXENE ( 30%) Size(mm): 0.05-0.3 Morphology: ANHEDRAL-GRANULAR OFTEN POORLY CRYSTALLIZED,FRESH,2VZ=30-35; OPAQUE MINERALS ( 5%) Size(mm): 0.05-0.2 Morphology: ANHEDRAL MOSTLY PYRITE,OFTEN ASSOCIATED WITH CARB; MICROCRYST GROUNDMASS ( 10%) INTERSTITIAL MATERIAL,DEVITRIFIED GLASS AND POORLY CRYSTALLIZED CPX,PARTLY REPLACED BY CARB AND PYRITE; GLASS DEVITRIFIED,INTERSTITIAL* Alteration - CARBONATE Location: GROUNDMASS, Replacing: OL Location: VESICLES OL? + SOME GROUNDMASS MATERIAL REPLACED BY CARB + PYRITE; PYRITE Location: GROUNDMASS, Replacing: OL Location: VESICLES OL? + SOME GROUNDMASS MATERIAL REPLACED BY CARB + PYRITE* Vesicles - Size(mm): 0.2-0.5 Percent: <1 Filling: CARB,PYRITE Shape: ROUND SOME POORLY DEVELOPED SEGREGATION VESICLES* Leg : 65 Top/Bottom Interval(mm): 1110/1130 Describer: Robinson, P. Hole: 482D Top of Core Depth(m) : 138.00 Rock Type: IGNEOUS Core: 8 Sample Midpoint(m) : 139.12 Sect/Pc #: 1/PCE 12 ROCK = APHYRIC BASALT; Texture: APHYRIC,FINE- TO MEDIUM-GRAINED,INTERSERTAL- SUBOPHITIC,SLIGHTLY OPHIMOTTLED* Groundmass - OLIVINE ( 3-4%) Size(mm): 0.1-0.2 Morphology: SUBHEDRAL COMPLETELY REPLACED BY SMEC AND MINOR CARB; PLAGIOCLASE ( 50%) Size(mm): 0.3-1 Morphology: SUBHEDRAL,LATHS FRESH; CLINOPYROXENE ( 30%) Size(mm): 0.1-0.3 Morphology: ANHEDRAL FRESH,2VZ=40; MAGNETITE ( 3%) Size(mm): 0.01-0.08 Morphology: EUHEDRAL-SUBHEDRAL MOSTLY IN INTERSTITIAL PATCHES; CRYPTOCRYSTALLINE (10-15%) INTERSTITIAL MATERIAL,PARTLY REPLACED BY SMEC* Alteration - SMECTITE Location: INTERSTITIAL, Replacing: OL Location: VESICLES OL + SOME INTERSTITIAL MATERIAL ALTERED TO SMEC; CARBONATE Location: VESICLES VESICLES FILLED WITH SMEC + CARB* Vesicles - Size(mm): 0.5 Percent: 2 Filling: SMEC,CARB Shape: ROUND MANY WITH SEGREGATION LENSES* Leg : 65 Top/Bottom Interval(mm): 570/ 580 Describer: Robinson, P. Hole: 482D Top of Core Depth(m) : 140.50 Rock Type: IGNEOUS Core: 9 Sample Midpoint(m) : 141.08 Sect/Pc #: 1/PCE 4 ROCK = PLAG SPARSELY PHYRIC BASALT; Texture: SPARSELY PORPHYRITIC,MEDIUM-GRAINED,INTERSERTAL- SUBOPHITIC; Where sampled: FLOW INTERIOR* Phenocrysts- PLAGIOCLASE ( 1%) Size(mm): 1-1.5 Morphology: EUHEDRAL FRESH* Groundmass - OLIVINE ( 3%) Size(mm): 0.1-0.3 Morphology: SUBHEDRAL COMPLETELY REPLACED BY SMEC; PLAGIOCLASE ( 50%) Size(mm): 0.2-0.7 Morphology: SUBHEDRAL,LATHS FRESH; CLINOPYROXENE (35-40%) Size(mm): 0.1-0.3 Morphology: ANHEDRAL FRESH,2VZ=40; MAGNETITE ( 3%) Size(mm): 0.05-0.1 Morphology: SUBHEDRAL MICROCRYST GROUNDMASS ( 5-10%) INTERSTITIAL MATERIAL,GLASSY,PARTLY REPLACED BY SMEC* Alteration - SMECTITE Location: INTERSTITIAL, Replacing: OL Location: VESICLES OL + SOME INTERSTITIAL MATERIAL REPLACED BY SMEC* Vesicles - Size(mm): 0.2-1 Percent: 1 Filling: SMEC Shape: ROUND FILLED WITH OLIVE-GREEN SMEC* Leg : 65 Top/Bottom Interval(mm): 490/ 500 Describer: Robinson, P. Hole: 482D Top of Core Depth(m) : 140.50 Rock Type: IGNEOUS Core: 9 Sample Midpoint(m) : 144.00 Sect/Pc #: 3/PCE 8 ROCK = APHYRIC BASALT; Texture: APHYRIC,FINE-GRAINED,INTERSERTAL-INTERGRANULAR* Groundmass - OLIVINE ( 2-3%) Size(mm): 0.2-0.5 Morphology: SUBHEDRAL REPLACED BY SMEC; PLAGIOCLASE ( 45%) Size(mm): 0.2-0.5 Morphology: SUBHEDRAL,LATHS FRESH; CLINOPYROXENE ( 35%) Size(mm): 0.1-0.3 Morphology: ANHEDRAL FRESH,2VZ=40; MAGNETITE ( 3%) Size(mm): 0.02-0.1 Morphology: SUBHEDRAL MOSTLY IN INTERSTITIAL PATCHES; CRYPTOCRYSTALLINE ( 15%) INTERSTITIAL MATERIAL,GLASSY-CRYPTXLN,MOSTLY REPLACED BY SMEC* Alteration - SMECTITE Location: INTERSTITIAL, Replacing: OL Location: VESICLES OL + MOST INTERSTITIAL MATERIAL REPLACED BY SMEC* Vesicles - Size(mm): TO 0.5 Percent: <1 Filling: SMEC Shape: ROUND Leg : 65 Top/Bottom Interval(mm): 700/ 720 Describer: Robinson, P. Hole: 482D Top of Core Depth(m) : 150.50 Rock Type: IGNEOUS Core: 10 Sample Midpoint(m) : 152.71 Sect/Pc #: 2/PCE 5D ROCK = APHYRIC BASALT; Texture: APHYRIC,MEDIUM-GRAINED,INTERSERTAL- INTERGRANULAR* Phenocrysts- OLIVINE ( <1%) Size(mm): 2-4 Morphology: SUBHEDRAL PARTLY REPLACED BY SMEC; PLAGIOCLASE ( <1%) Size(mm): 1 Morphology: SUBHEDRAL FRESH,IN SMALL CLOTS WITH OL* Groundmass - OLIVINE ( 2-3%) Size(mm): 0.1-0.5 Morphology: SUBHEDRAL REPLACED BY SMEC; PLAGIOCLASE ( 50%) Size(mm): 0.2-1 Morphology: SUBHEDRAL,LATHS FRESH; CLINOPYROXENE ( 35%) Size(mm): 0.1-0.3 Morphology: ANHEDRAL FRESH,2VZ=35-40; MAGNETITE ( 3%) Size(mm): 0.03-0.1 Morphology: SUBHEDRAL MOSTLY IN INTERSTITIAL PATCHES; MICROCRYST GROUNDMASS ( 10%) INTERSTITIAL MATERIAL,MICROXLN FEL + CPX + SILICA + APATITE,PARTLY REPLACED BY SMEC; FELDSPAR MICROXLN,INTERSTITIAL; SILICA MICROXLN,INTERSTITIAL; APATITE MICROXLN,INTERSTITIAL* Alteration - SMECTITE Location: INTERSTITIAL, Replacing: OL Location: VESICLES OL + INTERSTITIAL MATERIAL PARTLY REPLACED BY SMEC* Vesicles - Size(mm): 0.2-0.5 Percent: <1 Filling: SMEC Shape: ROUND Leg : 65 Top/Bottom Interval(mm): 170/ 190 Describer: Robinson, P. Hole: 482D Top of Core Depth(m) : 150.50 Rock Type: IGNEOUS Core: 10 Sample Midpoint(m) : 153.68 Sect/Pc #: 3/PCE 2C ROCK = APHYRIC BASALT; Texture: APHYRIC,FINE-GRAINED,INTERGRANULAR; Where sampled: FLOW INTERIOR* Phenocrysts- OLIVINE ( TR%) Size(mm): TO 1 Morphology: SUBHEDRAL REPLACED BY SMEC; PLAGIOCLASE ( TR%) Size(mm): 0.5-1 Morphology: SUBHEDRAL FRESH* Groundmass - OLIVINE ( 1%) Size(mm): 0.1-0.2 Morphology: SUBHEDRAL IDENTITY QUESTIONABLE--SUBHEDRAL PSEUDOMORPHS OF SMEC; PLAGIOCLASE ( 50%) Size(mm): 0.2-0.5 Morphology: SUBHEDRAL,LATHS FRESH; CLINOPYROXENE ( 40%) Size(mm): 0.1-0.2 Morphology: ANHEDRAL FRESH,2VZ=40; MAGNETITE ( 2-3%) Size(mm): 0.05-0.1 Morphology: SUBHEDRAL-ANHEDRAL CRYPTOCRYSTALLINE ( 5%) INTERSTITIAL MATERIAL,CRYPTXLN MATERIAL WITH SOME APATITE,REPLACED BY SMEC; APATITE CRYPTXLN MATERIAL HAS SOME APATITE,INTERSTITIAL* Alteration - SMECTITE Location: INTERSTITIAL, Replacing: OL Location: VESICLES OL + INTERSTITIAL MATERIAL REPLACED BY SMEC; OPAL Location: GROUNDMASS MINOR OPAL? IN GROUNDMASS* Vesicles - Size(mm): 0.3 Percent: 1 Filling: SMEC Shape: ROUND Leg : 65 Top/Bottom Interval(mm): 1010/1030 Describer: Robinson, P. Hole: 482D Top of Core Depth(m) : 150.50 Rock Type: IGNEOUS Core: 10 Sample Midpoint(m) : 154.52 Sect/Pc #: 3/PCE 13 ROCK = PLAG-OL PHYRIC BASALT; Texture: PORPHYRITIC,QUENCH; Where sampled: NEXT TO GLASSY MARGIN* Phenocrysts- OLIVINE ( 5%) Size(mm): 0.3-0.5 Morphology: SUBHEDRAL-EUHEDRAL COMPLETELY REPLACED BY SMEC; PLAGIOCLASE ( 15%) Size(mm): 0.5-1.5 Morphology: SUBHEDRAL,LATHS,ACICULAR SERIATE,SUBHEDRAL LATHS AND ACICULAR XTLS,FRESH* Groundmass - OLIVINE ( 1%) Size(mm): 0.05-0.1 Morphology: SUBHEDRAL REPLACED BY SMEC; PLAGIOCLASE ( 5-10%) Size(mm): 0.2-0.5 Morphology: ACICULAR FRESH; MAGNETITE ( 2-3%) Morphology: GRANULES MINUTE GRANULES IN GROUNDMASS; MICROCRYST GROUNDMASS (70-75%) INTERSTITIAL MATERIAL,QUENCH MIXTURE OF CPX + MAGN + PLAG,MOSTLY FRESH* Alteration - SMECTITE Location: VESICLES, Location: GROUNDMASS OL + SOME GROUNDMASS MATERIAL REPLACED BY SMEC, VESICLES ARE OPEN OR FILLED WITH SMEC* Vesicles - Size(mm): 0.5-1 Percent: 1-2 Filling: EMPTY,SMEC Shape: ROUND- Shape: IRREGULAR OPEN OR FILLED WITH SMEC* Leg : 65 Top/Bottom Interval(mm): 1330/1350 Describer: Robinson, P. Hole: 482D Top of Core Depth(m) : 159.50 Rock Type: IGNEOUS Core: 11 Sample Midpoint(m) : 160.84 Sect/Pc #: 1/PCE 13B ROCK = PLAG-OL PHYRIC BASALT; Texture: PORPHYRITIC,QUENCH-INTERSERTAL; Where sampled: FLOW INTERIOR* Phenocrysts- OLIVINE ( 1%) Size(mm): 0.5 Morphology: SUBHEDRAL PARTLY REPLACED BY SMEC,2VX=88; PLAGIOCLASE ( 10%) Size(mm): 0.5-2 Morphology: SUBHEDRAL,LATHS SERIATE,SUBHEDRAL LATHS,FRESH* Groundmass - OLIVINE ( 2%) Size(mm): 0.2-0.4 Morphology: SUBHEDRAL PARTLY REPLACED BY SMEC; PLAGIOCLASE ( 45%) Size(mm): 0.2-0.5 Morphology: SUBHEDRAL FRESH; CLINOPYROXENE ( 30%) Size(mm): 0.05-0.2 Morphology: SHEAVES,GRANULES POORLY CRYSTALLIZED SHEAVES AND GRANULES,FRESH; MAGNETITE ( 2%) Morphology: GRANULES MINUTE GRANULES IN INTERSTITIAL PATCHES; CRYPTOCRYSTALLINE ( 10%) INTERSTITIAL MATERIAL,GLASSY TO CRYPTXLN,PARTLY REPLACED BY SMEC* Alteration - SMECTITE Location: INTERSTITIAL, Replacing: OL Location: VESICLES SOME OL + INTERSTITIAL MATERIAL REPLACED BY SMEC* Vesicles - Size(mm): 0.2-0.3 Percent: <1 Filling: SMEC Shape: ROUND Leg : 65 Top/Bottom Interval(mm): 1070/1090 Describer: Robinson, P. Hole: 482D Top of Core Depth(m) : 168.50 Rock Type: IGNEOUS Core: 12 Sample Midpoint(m) : 169.58 Sect/Pc #: 1/PCE 11 ROCK = PLAG MODERATELY PHYRIC BASALT; Texture: MODERATELY PORPHYRITIC,MEDIUM-GRAINED, INTERSERTAL-SUBOPHITIC; Where sampled: FLOW INTERIOR* Phenocrysts- PLAGIOCLASE ( 5%) Size(mm): 0.5-3 Morphology: SUBHEDRAL FRESH* Groundmass - OLIVINE ( 5-7%) Size(mm): 0.1-0.5 Morphology: SUBHEDRAL PARTLY REPLACED BY SMEC,2VX=88; PLAGIOCLASE ( 45%) Size(mm): 0.2-0.5 Morphology: SUBHEDRAL FRESH; CLINOPYROXENE ( 35%) Size(mm): 0.2-0.3 Morphology: ANHEDRAL FRESH,2VZ=40; MAGNETITE ( 3%) Morphology: GRANULES MINUTE GRANULES,MOSTLY IN INTERSTITIAL PATCHES; CRYPTOCRYSTALLINE ( 5%) INTERSTITIAL MATERIAL,PARTLY REPLACED BY SMEC* Alteration - SMECTITE Location: INTERSTITIAL, Replacing: OL Location: VESICLES SOME OL + INTERSTITIAL MATERIAL REPLACED BY SMEC, VESICLES RIMMED WITH SMEC AND FILLED WITH CARB; CARBONATE Location: VESICLES VESICLES RIMMED WITH SMEC AND FILLED WITH CARB* Vesicles - Size(mm): 0.2-0.3 Percent: 1 Filling: SMEC,CARB Shape: ROUND RIMMED WITH SMEC AND FILLED WITH CARB* Leg : 65 Top/Bottom Interval(mm): 490/ 500 Describer: Robinson, P. Hole: 482D Top of Core Depth(m) : 168.50 Rock Type: IGNEOUS Core: 12 Sample Midpoint(m) : 170.50 Sect/Pc #: 2/PCE 6 ROCK = PLAG-OL-CPX MODERATELY PHYRIC BASALT; Texture: MODERATELY PORPHYRITIC,QUENCH; Where sampled: FLOW INTERIOR* Phenocrysts- OLIVINE ( 2-3%) Size(mm): TO 0.5 Morphology: EUHEDRAL-SUBHEDRAL ALTERED TO SMEC; PLAGIOCLASE ( 5%) Size(mm): 0.5-1 Morphology: SUBHEDRAL,LATHS FRESH CLINOPYROXENE ( 2-3%) Size(mm): 0.3-0.6 Morphology: ANHEDRAL FRESH,EITHER AS SINGLE XTLS OR IN CLOTS INTERGROWN WITH PLAG,2VZ=35; Groundmass - MICROCRYST GROUNDMASS ( 90%) QUENCHED GROUNDMASS,CONSISTS OF FINE MAGN GRAINS IN POORLY CRYSTALLIZED MIXTURE OF CPX AND PLAG IN RADIATING SHEAVES,SOME SMALL GLASSY PATCHES PARTLY REPLACED BY SMEC; MAGNETITE FINE GRAINS; CLINOPYROXENE POORLY CRYSTALLIZED; PLAGIOCLASE Morphology: RADIATING SHEAVES POORLY CRYSTALLIZED* Alteration - SMECTITE Location: INTERSTITIAL, Replacing: OL Location: VESICLES OL + SOME INTERSTITIAL MATERIAL REPLACED BY SMEC* Vesicles - Size(mm): TO 0.5 Percent: <1 Filling: SMEC Shape: ROUND- Shape: IRREGULAR Leg : 65 Top/Bottom Interval(mm): 800/ 840 Describer: Robinson, P. Hole: 482D Top of Core Depth(m) : 168.50 Rock Type: IGNEOUS Core: 12 Sample Midpoint(m) : 170.82 Sect/Pc #: 2/PCE 10 ROCK = PLAG MODERATELY PHYRIC BASALT; Texture: MODERATELY PORPHYRITIC,FINE-GRAINED,INTERSERTAL- QUENCH* Phenocrysts- PLAGIOCLASE ( 3%) Size(mm): 0.5-1.5 Morphology: SUBHEDRAL-EUHEDRAL ZONED,FRESH* Groundmass - OLIVINE ( 2%) Size(mm): 0.1-0.3 Morphology: SUBHEDRAL REPLACED BY SMEC; PLAGIOCLASE ( 45%) Size(mm): 0.1-0.5 Morphology: SUBHEDRAL,LATHS FRESH; CLINOPYROXENE (30-35%) Size(mm): 0.05-0.2 Morphology: ANHEDRAL,SHEAVES OFTEN IN POORLY CRYSTALLIZED SHEAVES,FRESH,2VZ=40; MAGNETITE ( 2%) MINUTE CRYSTALS IN INTERSTITIAL PATCHES; MICROCRYST GROUNDMASS (10-15%) INTERSTITIAL MATERIAL,GLASSY,PARTLY REPLACED BY SMEC* Alteration - SMECTITE Location: INTERSTITIAL, Replacing: OL Location: VESICLES OL + SOME INTERSTITIAL MATERIAL REPLACED BY SMEC* Vesicles - Size(mm): 0.1-0.3 Percent: 1 Filling: SMEC Shape: ROUND Leg : 65 Top/Bottom Interval(mm): 1160/1170 Describer: Robinson, P. Hole: 482D Top of Core Depth(m) : 168.50 Rock Type: IGNEOUS Core: 12 Sample Midpoint(m) : 172.67 Sect/Pc #: 3/PCE 11 ROCK = PLAG SPARSELY PHYRIC BASALT; Texture: SPARSELY PORPHYRITIC,MEDIUM-GRAINED,INTERSERTAL- SUBOPHITIC* Phenocrysts- PLAGIOCLASE ( 1%) Size(mm): 1-1.5 Morphology: SUBHEDRAL FRESH* Groundmass - OLIVINE ( 3%) Size(mm): 0.1-0.6 Morphology: SUBHEDRAL REPLACED BY SMEC; PLAGIOCLASE ( 50%) Size(mm): 0.2-0.6 Morphology: SUBHEDRAL,LATHS FRESH; CLINOPYROXENE ( 40%) Size(mm): 0.1-0.4 Morphology: ANHEDRAL FRESH,2VZ=40; MAGNETITE ( 1-2%) Size(mm): 0.02-0.1 Morphology: EUHEDRAL-SUBHEDRAL IN INTERSTITIAL PATCHES; CRYPTOCRYSTALLINE ( 5-8%) INTERSTITIAL MATERIAL,CRYPTXLN WITH MINOR APATITE, PARTLY REPLACED BY SMEC; APATITE MINOR* Alteration - SMECTITE Location: INTERSTITIAL, Location: VESICLES OL + SOME INTERSTITIAL MATERIAL REPLACED BY SMEC* Vesicles - Size(mm): TO 0.3 Percent: 1 Filling: SMEC Shape: ROUND Leg : 65 Top/Bottom Interval(mm): 1230/1250 Describer: Robinson, P. Hole: 482D Top of Core Depth(m) : 177.50 Rock Type: IGNEOUS Core: 13 Sample Midpoint(m) : 178.74 Sect/Pc #: 1/PCE 15 ROCK = PLAG MODERATELY PHYRIC BASALT; Texture: MODERATELY PORPHYRITIC,FINE-GRAINED,INTERSERTAL- SUBOPHITIC; Where sampled: FLOW INTERIOR* Phenocrysts- PLAGIOCLASE ( 2-4%) Size(mm): 0.5-3 Morphology: SUBHEDRAL-EUHEDRAL OFTEN IN CLUSTERS,SOME ZONED,FRESH* Groundmass - OLIVINE ( 3-5%) Size(mm): 0.1-0.3 Morphology: SUBHEDRAL REPLACED BY SMEC + CARB; PLAGIOCLASE ( 45%) Size(mm): 0.2-0.5 Morphology: SUBHEDRAL,LATHS FRESH; CLINOPYROXENE ( 40%) Size(mm): 0.1-0.4 Morphology: ANHEDRAL FRESH,2VZ=40; MAGNETITE ( 2%) Morphology: GRANULES MINUTE GRANULES IN INTERSTITIAL PATCHES; CRYPTOCRYSTALLINE ( 5%) INTERSTITIAL MATERIAL,PARTLY REPLACED BY SMEC AND CARB* Alteration - SMECTITE Location: INTERSTITIAL Replacing: OL OL + SOME INTERSTITIAL MATERIAL REPLACED BY SMEC + CARB; CARBONATE Location: INTERSTITIAL Replacing: OL OL + SOME INTERSTITIAL MATERIAL REPLACED BY SMEC + CARB* Vesicles - Percent: 0 Leg : 65 Top/Bottom Interval(mm): 80/ 90 Describer: Robinson, P. Hole: 482D Top of Core Depth(m) : 177.50 Rock Type: IGNEOUS Core: 13 Sample Midpoint(m) : 180.59 Sect/Pc #: 3/PCE 1 ROCK = PLAG SPARSELY PHYRIC BASALT; Texture: SPARSELY PORPHYRITIC,FINE-GRAINED,INTERSERTAL- INTERGRANULAR; Where sampled: FLOW INTERIOR* Phenocrysts- PLAGIOCLASE ( 1%) Size(mm): 0.5-1 Morphology: SUBHEDRAL FRESH,USUALLY IN CLUSTERS* Groundmass - OLIVINE ( 2-3%) Size(mm): 0.1-0.3 Morphology: SUBHEDRAL REPLACED BY SMEC; PLAGIOCLASE ( 50%) Size(mm): 0.2-0.5 Morphology: SUBHEDRAL,LATHS FRESH; CLINOPYROXENE ( 40%) Size(mm): 0.1-0.3 Morphology: ANHEDRAL FRESH,2VZ=40; MAGNETITE ( 2%) Size(mm): TO 0.05 Morphology: EUHEDRAL-SUBHEDRAL USUALLY IN INTERSTITIAL PATCHES; CRYPTOCRYSTALLINE ( 5%) INTERSTITIAL MATERIAL,PARTLY REPLACED BY SMEC* Alteration - SMECTITE Location: INTERSTITIAL, Replacing: OL Location: VESICLES OL + SOME INTERSTITIAL MATERIAL REPLACED BY SMEC* Vesicles - Size(mm): 0.1 Percent: TR Filling: SMEC Shape: ROUND Leg : 65 Top/Bottom Interval(mm): 00/ 10 Describer: Robinson, P. Hole: 482D Top of Core Depth(m) : 177.50 Rock Type: IGNEOUS Core: 13 Sample Midpoint(m) : 180.81 Sect/Pc #: CC/ ROCK = PLAG MODERATELY PHYRIC BASALT; Texture: MODERATELY PORPHYRITIC,QUENCH* Phenocrysts- OLIVINE ( <1%) Size(mm): 0.4-0.7 Morphology: EUHEDRAL REPLACED BY SMEC; PLAGIOCLASE ( 3-4%) Size(mm): 0.5-1.5 Morphology: SUBHEDRAL,LATHS FRESH* Groundmass - OLIVINE ( 2%) Size(mm): 0.05-0.1 Morphology: SUBHEDRAL REPLACED BY SMEC; PLAGIOCLASE ( 5-10%) Size(mm): TO 0.4 Morphology: ACICULAR FRESH; GLASS (80-85%) BROWN,INCIPIENTLY CRYSTALLIZED WITH SHEAF STRUCTURE,FRESH* Alteration - SMECTITE Location: VEINS, Replacing: OL,GLASS Location: VESICLES OL + MINOR GLASS ALTERED TO SMEC,RARE VEINS AND FRACTURES (0.2 MM WIDE) FILLED WITH SMEC* Vesicles - Size(mm): 0.2-0.3 Percent: 1 Filling: SMEC Shape: ROUND |
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]
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