Leg : 68 Top/Bottom Interval(mm): 90/ 100 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 264.10 Rock Type: IGNEOUS Core: 10 Sample Midpoint(m) : 264.19 Sect/Pc #: 1/PCE 1 ROCK = OL-PLAG-CPX MICROPHYRIC BASALT; Texture: VARIOLITIC,MICROPHYRIC GRADUAL CHANGE FROM BASALT GLASS W/ VARIOLES AROUND PHENOS AND MICROLITES TO COMPLETELY VARIOLITIZED GLASS; Where sampled: PILLOW SECTION THROUGH GLASSY PILLOW MARGIN INTO INTERIOR* Phenocrysts- OLIVINE ( 1-5%) Size(mm): .1-.3 Morphology: EUHEDRAL REPLACED BY SMEC AND IN ONE CASE BY PYRITE; PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,ACICULAR LARGER PLAG PHENOS ARE GLOMEROCRYSTS W/ OR W/OUT CPX,PLAG ZONALITY-LESS ANORTHITIC RIMS; PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL,ACICULAR CLINOPYROXENE ( 1-5%) Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL MOSTLY IN GLOMEROCRYSTS W/ PLAG ALTHOUGH THERE ARE EUHEDRAL PHENOS* Groundmass - PLAGIOCLASE Size(mm): .1-.3 Morphology: EUHEDRAL,ACICULAR PLAGIOCLASE Size(mm): .03-.1 Morphology: EUHEDRAL,ACICULAR PLAGIOCLASE ( 5-10%) Size(mm): .01-.03 Morphology: EUHEDRAL,ACICULAR PERCENT IS FOR TOTAL PLAG IN SECTION; SPHERULITIC MESOSTASIS ( >40%) Alteration - PYRITE Location: VESICLES, Replacing: OLIVINE Location: CRACKS SMECTITE Location: VESICLES, Replacing: OLIVINE Location: CRACKS SMECTITE DIFFERS IN COLOR FROM OLIVE-BROWN TO OLIVE-GREEN AND GREEN,PARTS OF SMECTITE VEINS (UP TO 0.15MM ACROSS) OR THEIR BORDER ZONE ARE FILLED LOCALLY W/ PYRITE,PALE BROWN SMECTITE (ALMOST COLORLESS IN THIN-SECTION) LOOKS LIKE PALAG-IT IS IN THIN VEINS AND RIMS IN GLASS* Vesicles - Filling: PYRITE,SMEC Shape: ROUND Leg : 68 Top/Bottom Interval(mm): 1200/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 264.10 Rock Type: IGNEOUS Core: 10 Sample Midpoint(m) : 265.30 Sect/Pc #: 1/PCE 16 ROCK = PLAG-OL MOD PHYRIC BASALT; Texture: MICROPHYRIC,RADIATE; Where sampled: PILLOW INTERIOR* Phenocrysts- OLIVINE Size(mm): .3-1 Morphology: ANHEDRAL OLIVINE ( 1-5%) Size(mm): .1-.3 Morphology: ANHEDRAL PERCENT IS FOR TOTAL OL REPORTED IN SECTION* PERCENT IS FOR TOTAL PLAG IN SECTION,PLAG ZONALITY -LESS ANORTHITIC RIMS; PERCENT IS FOR TOTAL CPX IN SECTION,MESOSTASIS IS HOLOCRYSTALLINE W/ RADIATING CPX AND SKELETAL TI-MT AND SMALL EUHEDRAL OL; Groundmass - CLINOPYROXENE Size(mm): .3-1 Morphology: SUBHEDRAL,FAN,BOW-TIE CLINOPYROXENE Size(mm): .1-.3 Morphology: SUBHEDRAL,FAN,BOW-TIE CLINOPYROXENE (20-40%) Size(mm): .03-.1 Morphology: SUBHEDRAL,FAN,BOW-TIE PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,ACICULAR PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL,ACICULAR PLAGIOCLASE (20-40%) Size(mm): .1-.3 Morphology: EUHEDRAL,ACICULAR TITANOMAGNETITE (1-5 %) Size(mm): .03-.1 Alteration - CELADONITE ( 1-5%) Location: CRACKS,VEINS Replacing: OL Location: VESICLES SMECTITE ( .5-1%) Location: CRACKS, Location: VESICLES PYRITE ( TR%) Location: VESICLES FERROUS HYDROX MINS ( TR%) Location: CRACKS,VEINS Replacing: OL Location: VESICLES OXIDATION DEVELOPED ALONG CRACKS,NEAR CRACKS (SEVERAL MM) HYDROXIDES REPLACED THE SMEC* Vesicles - Size(mm): .1-.3 Percent: .5-1 Location: CORES,RIMS Filling: CELADON,SMEC, Shape: ROUND Filling: FE.HYDRX,PYRITE FE OXIDES AND RED CELADONITE IN CORES OF VESICLES, BRIGHT GREEN CELADON FILLS WHOLE VESICLES OR OUTER RIMS,PALE BROWN OR BROWN SMECTITE FILLS SOME CORES OF THE VESICLES* Leg : 68 Top/Bottom Interval(mm): 740/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 264.10 Rock Type: IGNEOUS Core: 10 Sample Midpoint(m) : 266.34 Sect/Pc #: 2/PCE 30 ROCK = OL MOD MICROPHYRIC BASALT SAME AS 10-1-120,OXIDATION DEVELOPED IN NARROW ZONES,IT IS REPRESENTED BY APPEARANCE OF BRIGHT BROWN CELADONITES IN CORES OF VESICLES AND INTERIOR PARTS OF OL PSEUDOMORPHS; Texture: MICROPHYRIC,RADIATE; Where sampled: PILLOW INTERIOR* Phenocrysts- OLIVINE Size(mm): .3-1 Morphology: EUHEDRAL OLIVINE ( 1-5%) Size(mm): .1-.3 Morphology: EUHEDRAL PERCENT IS FOR TOTAL OL* Groundmass - PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,ACICULAR PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL,ACICULAR PLAGIOCLASE (20-40%) Size(mm): .1-.3 Morphology: EUHEDRAL,ACICULAR PERCENT IS FOR TOTAL PLAG,APPROX COMP BYTOWNITE, NORMALLY ZONED; CLINOPYROXENE Size(mm): .3-1 Morphology: SUBHEDRAL,FAN,BOW-TIE CLINOPYROXENE Size(mm): .1-.3 Morphology: SUBHEDRAL,FAN,BOW-TIE CLINOPYROXENE (20-40%) Size(mm): .03-.1 Morphology: SUBHEDRAL,FAN,BOW-TIE TITANOMAGNETITE ( 5-10%) Size(mm): .03-.1 Alteration - CELADON Location: CRACKS+ Replacing: OL Location: VESICLES FERROUS HYDROX MINS Location: CRACKS+ Replacing: OL Location: VESICLES Vesicles - Size(mm): .1-.3 Percent: .5-1 Filling: CELADONITE Leg : 68 Top/Bottom Interval(mm): 850/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 267.30 Rock Type: IGNEOUS Core: 11 Sample Midpoint(m) : 268.15 Sect/Pc #: 1/PCE 49 ROCK = APHYRIC BASALT ZONES-1)GLASS PARTLY PALAGONITIZED,PALAGONITE REPLACED BY SMEC,2)VARIOLITIC GLASS,3)VARIOLITIC DEVITRIFIED BASALT; Texture: APHYRIC,VARIOLITIC; Where sampled: PILLOW RIM* Groundmass - OLIVINE Size(mm): .3-1 Morphology: EUHEDRAL OLIVINE ( 1-5%) Size(mm): .1-.3 Morphology: EUHEDRAL PERCENT IS FOR TOTAL OL; PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,ACICULAR PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL,ACICULAR PLAGIOCLASE ( 5-10%) Size(mm): .1-.3 Morphology: EUHEDRAL,ACICULAR PERCENT IS FOR TOTAL PLAG,NORMALLY ZONED; CLINOPYROXENE Size(mm): .3-1 Morphology: SUBHEDRAL CLINOPYROXENE Size(mm): .1-.3 Morphology: SUBHEDRAL CLINOPYROXENE ( 5-10%) Size(mm): .03-.1 Morphology: SUBHEDRAL PERCENT IS FOR TOTAL CPX; GLASS (20-40%) SPHERULITIC MESOSTASIS ( >40%) TITANOMAGNETITE ( 1-5%) Alteration - CELADON ( 5-10%) Location: CRACKS+ Replacing: OL Location: VESICLES SMECTITE Replacing: PALAG PALAGONITE ( 5-10%) Replacing: GLASS Vesicles - Percent: .5-1 Filling: CELADON+FE.OX+ Shape: ROUND Filling: MN.OXIDES SOME VESICLES HAVE CORES WITH HYDROXIDES OF FE- MN?* Leg : 68 Top/Bottom Interval(mm): 870/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 267.30 Rock Type: IGNEOUS Core: 11 Sample Midpoint(m) : 269.67 Sect/Pc #: 2/PCE 67 ROCK = OL SPARSELY MICROPHYRIC BASALT MESOSTASIS PARTLY RADIATED,HOLOXTLLINE; Texture: SPARSELY PHYRIC* Phenocrysts- OLIVINE Size(mm): .01-.03 Morphology: EUHEDRAL OLIVINE Size(mm): .03-.1 Morphology: EUHEDRAL OLIVINE Size(mm): .1-.3 Morphology: EUHEDRAL OLIVINE ( .5-1%) Size(mm): .3-1 Morphology: EUHEDRAL PERCENT IS FOR TOTAL OL* Groundmass - PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,ACICULAR PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL,ACICULAR PLAGIOCLASE Size(mm): .1-.3 Morphology: EUHEDRAL,ACICULAR PLAGIOCLASE Size(mm): .03-.1 Morphology: EUHEDRAL,ACICULAR PLAGIOCLASE ( 50%) Size(mm): .01-.03 Morphology: EUHEDRAL,ACICULAR PERCENT IS FOR TOTAL PLAG; CLINOPYROXENE Size(mm): .3-1 Morphology: SUBHEDRAL CLINOPYROXENE Size(mm): .1-.3 Morphology: SUBHEDRAL CLINOPYROXENE Size(mm): .03-.1 Morphology: SUBHEDRAL CLINOPYROXENE (20-40%) Size(mm): .01-.03 Morphology: SUBHEDRAL PERCENT IS FOR TOTAL CPX; TITANOMAGNETITE Size(mm): .1-.3 TITANOMAGNETITE ( 5-10%) Size(mm): .03-.1 PERCENT IS FOR TOTAL TITANO-MAGN* Alteration - CELADON Location: VESICLES+ Replacing: OL Location: CRACKS FE AND MN OXIDES CONTAMINATE CELADONITE IN ZONES NEAR CRACKS; SMECTITE Location: VESICLES+ Replacing: OL Location: CRACKS Vesicles - Size(mm): .3-1 Filling: CELADON,SMEC FILLINGS OF VESICLES ARE CONCENTRIC,SOME OF CORES OF FILLINGS ARE OLIVE-BROWN SMEC,CELADONITE IS IN THE RIMS OR FILLS THE WHOLE VESICLE* Leg : 68 Top/Bottom Interval(mm): 590/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 273.10 Rock Type: IGNEOUS Core: 12 Sample Midpoint(m) : 273.69 Sect/Pc #: 1/PCE 95 ROCK = APHYRIC BASALT Texture: APHYRIC,VARIOLITIC* Groundmass - OLIVINE ( 1-5%) Size(mm): .3-1 PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE ( 5-10%) Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL PLAG; CLINOPYROXENE ( 1-5%) Size(mm): .3-1 Morphology: SUBHEDRAL,ANHEDRAL SPHERULITIC MESOSTASIS ( 90%) TITANOMAGNETITE Size(mm): .1-.3 Morphology: SKELETAL TITANOMAGNETITE ( 1-5%) Size(mm): .03-.1 Morphology: SKELETAL PERCENT IS FOR TOTAL TITANO-MAGN* Alteration - CELADON Replacing: OL SMECTITE Replacing: OL YELLOW SMECTITE IN OL PSEUDOMORPHS IN PART OF THE SECTION,THE OTHER PART CONTAINS GREEN CELADONITE BOTH IN PSEUDOMORPHS AND VESICLES, SOME OF MATERIAL OXIDIZED(BRIGHT BROWN CELADONITE)* Vesicles - Percent: .5-1 Filling: CELADONITE Shape: ROUND Leg : 68 Top/Bottom Interval(mm): 740/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 273.10 Rock Type: IGNEOUS Core: 12 Sample Midpoint(m) : 273.84 Sect/Pc #: 1/PCE 96 ROCK = APHYRIC BASALT Texture: APHYRIC,VARIOLITIC; Where sampled: PILLOW RIM-PILLOW INTERIOR* Groundmass - OLIVINE ( .5-1%) Size(mm): .3-1 Morphology: EUHEDRAL PERCENT IS FOR TOTAL O6; PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,ACICULAR PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL,ACICULAR PLAGIOCLASE ( 5-10%) Size(mm): .1-.3 Morphology: EUHEDRAL,ACICULAR PERCENT IS FOR TOTAL PLAG,NORMALLY ZONED; CLINOPYROXENE Morphology: EUHEDRAL,ANHEDRAL CLINOPYROXENE Morphology: EUHEDRAL,ANHEDRAL CLINOPYROXENE ( 1-5%) Morphology: EUHEDRAL,ANHEDRAL PERCENT IS FOR TOTAL CPX; TITANOMAGNETITE ( 1-5%) SPHERULITIC MESOSTASIS ( >70%) GRADUAL CHANGING IN MESOSTASIS FROM VARIOLITIC GLASS TO DEVITRIFIED* Vesicles - Size(mm): .03-.1 Percent: .5-1 Filling: SMEC,CELADON Shape: ROUND VESICLES ARE FILLED(CRACKS,TOO)IN GLASSY PART WITH OLIVE GREEN SMECTITE,IN DEVITRIFIED PART THE FILLING CONSISTS OF GREEN CELADONITE* Leg : 68 Top/Bottom Interval(mm): 1290/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 273.10 Rock Type: IGNEOUS Core: 12 Sample Midpoint(m) : 274.39 Sect/Pc #: 1/PCE 103 ROCK = APHYRIC BASALT; Texture: APHYRIC,VARIOLITIC; Where sampled: PILLOW INTERIOR* Groundmass - OLIVINE Size(mm): .3-1 Morphology: EUHEDRAL OLIVINE ( 1-5%) Size(mm): .1-.3 Morphology: EUHEDRAL PERCENT IS FOR TOTAL OL; PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE (10-20%) Size(mm): .03-.1 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL PLAG; CLINOPYROXENE ( .5-1%) Size(mm): .1-.3 Morphology: SUBHEDRAL SPHERULITIC MESOSTASIS (70-80%) TITANOMAGNETITE ( 1-5%) Vesicles - Size(mm): .1-.3 Percent: TR Filling: SMEC,CELADON Shape: ROUND PART OF CELADONITE VESICLES AND PSEUDOMORPHS AFTER OL OXIDIZED,HAVE BRIGHT BROWN COLOR INSTEAD OF GREEN* Leg : 68 Top/Bottom Interval(mm): 760/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 273.10 Rock Type: IGNEOUS Core: 12 Sample Midpoint(m) : 275.36 Sect/Pc #: 2/PCE 115 ROCK = APHYRIC DOLERITE; Texture: APHYRIC,OPHITIC; Where sampled: PILLOW INTERIOR* Groundmass - OLIVINE Size(mm): .3-1 Morphology: EUHEDRAL OLIVINE ( 1-5%) Size(mm): .1-.3 Morphology: EUHEDRAL PERCENT IS FOR TOTAL OL; PLAGIOCLASE Size(mm): 3-10 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE ( 50%) Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL PLAG,RARE MEGACRYSTS OF PLAG (GLOMEROCRYSTS)WITH ABUNDANT GLASS INCLUSIONS; CLINOPYROXENE Size(mm): .3-1 Morphology: ANHEDRAL,SUBHEDRAL CLINOPYROXENE ( >40%) Size(mm): .1-.3 Morphology: ANHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL CPX; TITANOMAGNETITE ( 5-10%) Size(mm): .1-.3 Alteration - CELADON Location: VESICLES Replacing: OL GREEN CELADONITE LOCALLY IS REPLACED BY BRIGHT BROWN MATERIAL(OXIDATION)* Vesicles - Size(mm): .1-.3 Filling: ARAGONITE Shape: ROUND Leg : 68 Top/Bottom Interval(mm): 470/ 0 Describer: Cann, J. Hole: 501 Top of Core Depth(m) : 280.10 Rock Type: IGNEOUS Core: 13 Sample Midpoint(m) : 280.57 Sect/Pc #: 1/PCE 122 ROCK = APHYRIC BASALT A GOOD HOLOXTLLINE BASALT,SOMEWHAT ALTERED,BUT NOT EXTENSIVELY SO,WELL-DEVELOPED PATCHES OF THOLEIITIC MESOSTASIS; Texture: APHYRIC,HOLOXTLLINE HOLOXTLLINE FLOW INTERIOR,SUBOPHITIC PYX-PLAG RELATIONSHIP,TI-MAGN ASSOCIATED WITH MESOSTASIS; Where sampled: MASSIVE FLOW* Groundmass - OLIVINE ( 1-5%) Size(mm): .1-.3 Morphology: GRANULAR PLAGIOCLASE Size(mm): .3-1 Morphology: SUBHEDRAL PLAGIOCLASE Size(mm): .1-.3 Morphology: SUBHEDRAL PLAGIOCLASE ( 50%) Size(mm): .03-.1 Morphology: SUBHEDRAL PERCENT IS FOR TOTAL PLAG,APPROX COMP AN50-70; PLAGIOCLASE ( 1-5%) Size(mm): 1-3 Morphology: SUBHEDRAL MEGACRYSTS,NO GOOD SECTION FOR APPROX COMP; CLINOPYROXENE Size(mm): .3-1 Morphology: ANHEDRAL CLINOPYROXENE (20-40%) Size(mm): .1-.3 Morphology: ANHEDRAL TITANOMAGNETITE Size(mm): .1-.3 Morphology: EUHEDRAL-SKELETAL TITANOMAGNETITE ( 5-10%) Size(mm): .03-.1 Morphology: EUHEDRAL-SKELETAL TI-MAGN OPTICALLY HOMOGENEOUS AND ISOTROPIC; MESOSTASIS (10-20%) Size(mm): .004 Morphology: INTERSTITIAL PYRITE FORMS GRAINS IN MESOSTASIS PATCHES-LATE MAGMATIC,APPARENTLY* Alteration - SMECTITE ( 5-10%) Replacing: OL,MESOSTASIS FIBROUS* Vesicles - Percent: .5-1 Filling: SMECTITE Shape: ROUND Leg : 68 Top/Bottom Interval(mm): 1470/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 280.10 Rock Type: IGNEOUS Core: 13 Sample Midpoint(m) : 281.57 Sect/Pc #: 1/PCE 134 ROCK = APHYRIC DOLERITE; Texture: APHYRIC,OPHITIC* Groundmass - OLIVINE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL OLIVINE ( 1-5%) Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL OL,NO FRESH OL; PLAGIOCLASE ( 50%) Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL CLINOPYROXENE (20-40%) Size(mm): .3-1 Morphology: ANHEDRAL,SUBHEDRAL TITANOMAGNETITE ( 1-5%) Size(mm): .1-.3 Morphology: SKELETAL Alteration - CELADON Replacing: OL SMECTITE Replacing: OL OXIDES Replacing: OL Vesicles - Size(mm): .3-1 Shape: ROUND Size(mm): .1-.3 Percent: .5-1 Filling: CELADON,SMEC, Shape: ROUND Filling: OXIDES PERCENT AND FILLING ARE FOR ALL VESICLES,CENTRAL PARTS OF VESICLES(AND OL PSEUDOS)FILLED LOCALLY WITH LIGHT BROWN SMEC AND/OR OXIDES,SOME OF FILLINGS OXIDIZED* Leg : 68 Top/Bottom Interval(mm): 1120/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 280.10 Rock Type: IGNEOUS Core: 13 Sample Midpoint(m) : 282.72 Sect/Pc #: 2/PCE 144 ROCK = APHYRIC DOLERITE; Texture: APHYRIC,OPHITIC* Groundmass - OLIVINE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL OLIVINE ( 1-5%) Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL OL,OL COMPLETELY CONVERTED INTO CELADONITE AND/OR SMECTITE; PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE ( 50%) Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL PLAG; CLINOPYROXENE (20-40%) Size(mm): .3-1 Morphology: SUBHEDRAL,ANHEDRAL TITANOMAGNETITE ( 1-5%) Size(mm): .1-.3 Morphology: SKELETAL Alteration - CELADON Location: VESICLES Replacing: OL SMECTITE Location: VESICLES Replacing: OL SMEC IS MAINLY IN CENTRAL PARTS OF SOME VESICLES OR OL PSEUDOMORPHS* Vesicles - Size(mm): .1-.3 Percent: .5-1 Filling: CELADON,SMEC Shape: ROUND Leg : 68 Top/Bottom Interval(mm): 610/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 283.10 Rock Type: IGNEOUS Core: 14 Sample Midpoint(m) : 283.71 Sect/Pc #: 1/PCE 152 ROCK = APHYRIC DOLERITE; Texture: APHYRIC,DOLERITIC; Where sampled: PILLOW INTERIOR* Groundmass - OLIVINE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL OLIVINE Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL OLIVINE ( 5-10%) Size(mm): .03-.1 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL OL; PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE ( >40%) Size(mm): .03-.1 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL PLAG; CLINOPYROXENE Size(mm): .3-1 Morphology: SUBHEDRAL,ANHEDRAL CLINOPYROXENE Size(mm): .1-.3 Morphology: SUBHEDRAL,ANHEDRAL CLINOPYROXENE (20-40%) Size(mm): .03-.1 Morphology: SUBHEDRAL,ANHEDRAL PERCENT IS FOR TOTAL CPX; TITANOMAGNETITE ( 1-5%) Size(mm): .03-.1 Morphology: SKELETAL Alteration - SMECTITE Location: VESICLES Replacing: OL OLIVE GREEN* Vesicles - Size(mm): .1-.3 Percent: .5-1 Filling: SMEC Shape: ROUND Leg : 68 Top/Bottom Interval(mm): 1180/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 283.10 Rock Type: IGNEOUS Core: 14 Sample Midpoint(m) : 285.78 Sect/Pc #: 2/PCE 170 ROCK = APHYRIC BASALT; Texture: APHYRIC,DOLERITIC; Where sampled: PILLOW INTERIOR* Groundmass - OLIVINE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL OLIVINE Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL OLIVINE ( 5-10%) Size(mm): .03-.1 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL OL; PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE ( >40%) Size(mm): .03-.1 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL PLAG; CLINOPYROXENE Size(mm): .3-1 Morphology: SUBHEDRAL,ANHEDRAL CLINOPYROXENE Size(mm): .1-.3 Morphology: SUBHEDRAL,ANHEDRAL CLINOPYROXENE (20-40%) Size(mm): .03-.1 Morphology: SUBHEDRAL,ANHEDRAL PERCENT IS FOR TOTAL CPX; TITANOMAGNETITE Size(mm): .03-.1 Morphology: SKELETAL Alteration - SMECTITE Location: VESICLES Replacing: OL OLIVE GREEN* Vesicles - Size(mm): .1-.3 Percent: .5-1 Filling: SMEC Shape: ROUND Leg : 68 Top/Bottom Interval(mm): 1460/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 283.10 Rock Type: IGNEOUS Core: 14 Sample Midpoint(m) : 286.06 Sect/Pc #: 2/PCE 175 ROCK = PLAG-OL-CPX PHYRIC BASALT; Texture: PHYRIC,INTERSERTAL; Where sampled: PILLOW INTERIOR* Phenocrysts- PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL OLIVINE ( .5-1%) Size(mm): .3-1 Morphology: EUHEDRAL CLINOPYROXENE ( .5-1%) Size(mm): .3-1 Morphology: SUBHEDRAL,ANHEDRAL PYROXENE PHENOS ONLY IN GLOMEROCRYSTS WITH PLAG* Groundmass - PLAGIOCLASE Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE (10-20%) Size(mm): .03-.1 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL PLAG IN SECTION,NORMALLY ZONED; SPHERULITIC MESOSTASIS ( 80%) TITANOMAGNETITE Size(mm): .03-.1 TITANOMAGNETITE ( 1-5%) Size(mm): .01-.03 PERCENT IS FOR TOTAL TITANO-MAGN* Alteration - CELADON ( 1-5%) Location: VESICLES Replacing: OL BRIGHT GREEN OR BRIGHT BROWN,THE LATTER MOSTLY IN CENTRAL PARTS; HYDROXIDE ( TR%) Location: VESICLES PYRITE ( TR%) Vesicles - Percent: .5-1 Filling: CELADON Shape: ROUND Leg : 68 Top/Bottom Interval(mm): 1350/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 283.10 Rock Type: IGNEOUS Core: 14 Sample Midpoint(m) : 287.45 Sect/Pc #: 3/PCE 188 ROCK = PLAG-OL MOD PHYRIC BASALT; Texture: MOD PHYRIC,VARIOLITIC; Where sampled: PILLOW RIM* Phenocrysts- OLIVINE ( 1-5%) Size(mm): .3-1 Morphology: EUHEDRAL PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL Groundmass - PLAGIOCLASE (10-20%) Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL PLAG IN SECTION NORMALLY ZONED; SPHERULITIC MESOSTASIS ( 80%) TITANOMAGNETITE ( TR%) OTHER ( .5-1%) Morphology: EUHEDRAL CR-SPINEL* Alteration - SMECTITE Replacing: OL COLORLESS; FERROUS OXIDE Replacing: OL Leg : 68 Top/Bottom Interval(mm): 210/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 283.10 Rock Type: IGNEOUS Core: 14 Sample Midpoint(m) : 287.81 Sect/Pc #: 4/PCE 191 ROCK = PLAG-OL MOD PHYRIC BASALT; Texture: MOD PHYRIC* Phenocrysts- OLIVINE ( .5-1%) Size(mm): .3-1 Morphology: EUHEDRAL PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE (10-20%) Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL PLAG IN SECTION* Groundmass - SPHERULITIC MESOSTASIS ( 80%) TITANOMAGNETITE ( TR%) Size(mm): .03-.1 Morphology: SKELETAL OTHER ( TR%) Size(mm): .1-.3 Morphology: EUHEDRAL CR-SPINEL; CLINOPYROXENE ( 0%) Alteration - SMECTITE Replacing: OL ALMOST COLORLESS* Vesicles - Percent: 0 Leg : 68 Top/Bottom Interval(mm): 180/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 292.10 Rock Type: IGNEOUS Core: 15 Sample Midpoint(m) : 296.78 Sect/Pc #: 4/PCE 252 ROCK = PLAG-OL MOD PHYRIC BASALT CONTACT BETWEEN GLASSY AND VARIOLITIC PARTS,IN GLASSY PART THERE ARE PHENOS OF FRESH OL AND PLAG; Texture: MOD PHYRIC,VARIOLITIC,INTERSERTAL; Where sampled: PILLOW RIM* Phenocrysts- OLIVINE ( 1-5%) Size(mm): .3-1 Morphology: EUHEDRAL PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL Groundmass - PLAGIOCLASE (10-20%) Size(mm): .3-1 Morphology: EUHEDRAL PERCENT IS FOR TOTAL PLAG IN SECTION; CLINOPYROXENE ( 0%) SPHERULITIC MESOSTASIS ( 90%) OTHER ( TR%) Size(mm): .3-1 CR-SPINEL; TITANOMAGNETITE Size(mm): .03-.1 TITANOMAGNETITE ( 1-5%) Size(mm): .01-.03 PERCENT IS FOR TOTAL TITANO-MAGN* Alteration - SMECTITE Replacing: OL ALMOST COLORLESS* Vesicles - Percent: 0 Leg : 68 Top/Bottom Interval(mm): 1180/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 301.10 Rock Type: IGNEOUS Core: 16 Sample Midpoint(m) : 302.28 Sect/Pc #: 1/PCE 274 ROCK = PLAG-OL MOD PHYRIC BASALT; Texture: MOD PHYRIC; Where sampled: PILLOW INTERIOR* Phenocrysts- OLIVINE ( 1-5%) Size(mm): .3-1 Morphology: EUHEDRAL PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL Groundmass - PLAGIOCLASE Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE ( 50%) Size(mm): .03-.1 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL PLAG IN SECTION; CLINOPYROXENE Size(mm): .03-.1 Morphology: FAN CLINOPYROXENE (20-40%) Size(mm): .01-.03 Morphology: FAN PERCENT IS FOR TOTAL CPX; TITANOMAGNETITE Size(mm): .03-.1 Morphology: SKELETAL TITANOMAGNETITE ( 1-5%) Size(mm): .01-.03 Morphology: SKELETAL PERCENT IS FOR TOTAL TITANO-MAGN; OTHER ( TR%) Size(mm): .1-.3 Morphology: EUHEDRAL CR-SPINEL* Alteration - SMECTITE Replacing: OL IN OXIDIZED ZONE INSTEAD OF COLORLESS SMECTITE BRIGHT YELLOW OR BROWN CELADONITE AND CALCITE OCCUR(WITH HYDROXIDES),SMECTITE PARTLY PRESERVED IN INTERIOR PARTS OF OL PSEUDOS IN OXIDIZED ZONE; CELADON Replacing: OL HYDROXIDE Replacing: OL CALCITE Replacing: OL Vesicles - Location: 0 Leg : 68 Top/Bottom Interval(mm): 480/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 305.10 Rock Type: IGNEOUS Core: 17 Sample Midpoint(m) : 305.58 Sect/Pc #: 1/PCE 288 ROCK = PLAG-OL MOD PHYRIC BASALT-DOLERITE SEE ICD FOR MORE FULL DESCRIPTION; Texture: MOD PHYRIC,DOLERITIC; Where sampled: FLOW INTERIOR* Phenocrysts- OLIVINE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL,ANHEDRAL PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL Groundmass - OLIVINE Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL,ANHEDRAL OLIVINE ( 5-10%) Size(mm): .03-.1 Morphology: EUHEDRAL,SUBHEDRAL,ANHEDRAL PERCENT IS FOR TOTAL OL IN SECTION; PLAGIOCLASE Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE Size(mm): .01-.03 Morphology: EUHEDRAL,SUBHEDRAL CLINOPYROXENE Size(mm): .1-.3 Morphology: SUBHEDRAL,FAN CLINOPYROXENE Size(mm): .03-.1 Morphology: SUBHEDRAL,FAN TITANOMAGNETITE Size(mm): .03-.1 TITANOMAGNETITE ( 1-5%) Size(mm): .01-.03 PERCENT IS FOR TOTAL TITANO-MAGN; OTHER ( .5-1%) Size(mm): .1-.3 CR-SPINEL* Alteration - SMECTITE ( 1-5%) IN THE OXIDIZED ZONE COLORLESS SMEC REPLACED BY BRIGHT YELLOW OR BROWN CELADONITE +/- OXIDES + TRACE OF PYRITE; CELADON ( 1-5%) PYRITE ( TR%) Vesicles - Percent: 0 Leg : 68 Top/Bottom Interval(mm): 860/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 305.10 Rock Type: IGNEOUS Core: 17 Sample Midpoint(m) : 305.96 Sect/Pc #: 1/PCE 292 ROCK = PLAG-OL MOD PHYRIC BASALT-DOLERITE; Texture: MOD PHYRIC,DOLERITIC* Phenocrysts- OLIVINE Size(mm): 1-3 Morphology: EUHEDRAL,ANHEDRAL OLIVINE Size(mm): .3-1 Morphology: EUHEDRAL,ANHEDRAL PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL Groundmass - OLIVINE Size(mm): .1-.3 Morphology: EUHEDRAL,ANHEDRAL OLIVINE ( 5-10%) Size(mm): .03-.1 Morphology: EUHEDRAL,ANHEDRAL PERCENT IS FOR TOTAL OL IN SECTION; PLAGIOCLASE Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE ( 50%) Size(mm): .03-.1 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL PLAG IN SECTION; CLINOPYROXENE Size(mm): .1-.3 Morphology: SUBHEDRAL,ANHEDRAL CLINOPYROXENE Size(mm): .03-.1 Morphology: SUBHEDRAL,ANHEDRAL PERCENT IS FOR TOTAL TITANO-MAGN; OTHER ( TR%) Morphology: EUHEDRAL CR-SPINEL* Alteration - SMECTITE LIGHT OLIVE GREEN SMECTITE,GOOD MICA-LIKE XTLS WITH RELICS OF FRESH OL* Vesicles - Percent: 0 Leg : 68 Top/Bottom Interval(mm): 1050/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 305.10 Rock Type: IGNEOUS Core: 17 Sample Midpoint(m) : 307.65 Sect/Pc #: 2/PCE 309 ROCK = PLAG-OL MOD PHYRIC BASALT; Texture: MOD PHYRIC,VARIOLITIC; Where sampled: FLOW INTERIOR* Phenocrysts- OLIVINE ( 1-5%) Size(mm): .3-1 Morphology: EUHEDRAL PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL Groundmass - PLAGIOCLASE Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE (10-20%) Size(mm): .03-.1 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL PLAG; CLINOPYROXENE ( 0%) SPHERULITIC MESOSTASIS ( 80%) OTHER ( TR%) CR-SPHINEL* Alteration - SMECTITE Replacing: OL VERY LIGHT PALE SMEC* Vesicles - Percent: 0 Leg : 68 Top/Bottom Interval(mm): 100/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 305.10 Rock Type: IGNEOUS Core: 17 Sample Midpoint(m) : 308.20 Sect/Pc #: 3/PCE 315 ROCK = PLAG-OL MOD PHYRIC BASALT; Texture: MOD PHYRIC,INTERSERTAL; Where sampled: PILLOW INTERIOR* Phenocrysts- OLIVINE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE Morphology: EUHEDRAL,SUBHEDRAL Groundmass - OLIVINE ( 1-5%) Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL OL IN SECTION; PLAGIOCLASE (10-20%) Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL PLAG IN SECTION; CLINOPYROXENE ( 1-5%) Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL,ANHEDRAL SPHERULITIC MESOSTASIS ( 80%) TITANOMAGNETITE Size(mm): .03-.1 Morphology: SKELETAL TITANOMAGNETITE ( 1-5%) Size(mm): .01-.03 Morphology: SKELETAL PERCENT IS FOR TOTAL TITANO-MAGN* Alteration - CELADON Location: VESICLES Replacing: OL IN PART OF THE SECTION,GREEN AND BRIGHT BROWN (OXIDATION); SMECTITE Location: VESICLES Replacing: OL ALMOST COLORLESS* Vesicles - Size(mm): .03-.1 Percent: TR Filling: CELADON,SMEC Leg : 68 Top/Bottom Interval(mm): 1180/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 310.10 Rock Type: IGNEOUS Core: 18 Sample Midpoint(m) : 311.28 Sect/Pc #: 1/PCE 346 ROCK = PLAG-CPX-OL MOD PHYRIC BASALT; Texture: MOD PHYRIC,INTERSERTAL; Where sampled: PILLOW INTERIOR* Phenocrysts- OLIVINE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL CLINOPYROXENE Size(mm): .3-1 Morphology: SUBHEDRAL,ANHEDRAL Groundmass - OLIVINE ( 1-5%) Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL OL IN SECTION; PLAGIOCLASE Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE (20-40%) Size(mm): .03-.1 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL PLAG IN SECTION; CLINOPYROXENE Size(mm): .1-.3 Morphology: SUBHEDRAL,ANHEDRAL CLINOPYROXENE ( 1-5%) Size(mm): .03-.1 Morphology: SUBHEDRAL,ANHEDRAL PERCENT IS FOR TOTAL CPX IN SECTION; SPHERULITIC MESOSTASIS (20-40%) TITANOMAGNETITE Size(mm): .03-.1 Morphology: SKELETAL TITANOMAGNETITE ( 1-5%) Size(mm): .01-.03 Morphology: SKELETAL PERCENT IS FOR TOTAL TITANO-MAGN* Alteration - SMECTITE Replacing: OL CELADON Location: VESICLES Replacing: OL ONLY IN OXIDIZED PART OF SECTION,GREEN AND BRIGHT BROWN* Vesicles - Size(mm): .03-.1 Percent: TR Filling: CELADON Shape: ROUND Leg : 68 Top/Bottom Interval(mm): 310/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 310.10 Rock Type: IGNEOUS Core: 18 Sample Midpoint(m) : 311.91 Sect/Pc #: 2/PCE 354 ROCK = PLAG MOD PHYRIC BASALT; Texture: MOD PHYRIC,VARIOLITIC; Where sampled: PILLOW RIM* Phenocrysts- PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL Groundmass - OLIVINE ( .5-1%) Size(mm): .1-.3 Morphology: EUHEDRAL PLAGIOCLASE ( 5-10%) Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL PLAG IN SECTION; CLINOPYROXENE ( .5-1%) Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL GLASS (10-20%) SPHERULITIC MESOSTASIS ( 80%) Alteration - SMECTITE Location: VEIN Replacing: OL,GLASS ZEOLITE Location: VEIN A ZEOLITE(?)MINERAL IN A RATHER THICK VEIN WITH SMEC,IT LOOKS LIKE ANALCIME,HAS EXTREMELY LOW BIREFRINGENCE(.001)AND FORMS SECTORS AND TWINS* Leg : 68 Top/Bottom Interval(mm): 890/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 310.10 Rock Type: IGNEOUS Core: 18 Sample Midpoint(m) : 312.49 Sect/Pc #: 2/PCE 360 ROCK = APHYRIC BASALT; Texture: APHYRIC,MICRODOLERITIC; Where sampled: PILLOW INTERIOR* Groundmass - OLIVINE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL OLIVINE Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL OLIVINE ( 1-5%) Size(mm): .03-.1 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL OL; PLAGIOCLASE Size(mm): 1-3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL PLAGIOCLASE (20-40%) Size(mm): .03-.1 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL PLAG; CLINOPYROXENE Size(mm): .3-1 Morphology: SUBHEDRAL,ANHEDRAL CLINOPYROXENE Size(mm): .1-.3 Morphology: SUBHEDRAL,ANHEDRAL CLINOPYROXENE (10-20%) Size(mm): .03-.1 Morphology: SUBHEDRAL,ANHEDRAL PERCENT IS FOR TOTAL CPX; SPHERULITIC MESOSTASIS TITANOMAGNETITE Size(mm): .03-.1 TITANOMAGNETITE ( 1-5%) Size(mm): .01-.03 PERCENT IS FOR TOTAL TITANO-MAGN* Alteration - SMECTITE Replacing: OL OLIVE-GREEN; FERROUS HYDROX MINS Location: VEINS XTLS OF HEMATITE NEAR VEIN* Leg : 68 Top/Bottom Interval(mm): 680/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 319.10 Rock Type: IGNEOUS Core: 19 Sample Midpoint(m) : 319.78 Sect/Pc #: 1/PCE 371 ROCK = PLAG-OL-CPX MOD PHYRIC BASALT THERE ARE TWO THIN SECTIONS; Texture: MOD PHYRIC; Where sampled: PILLOW RIM* Phenocrysts- OLIVINE ( .5-1%) Size(mm): .3-1 Morphology: EUHEDRAL REPLACED BY OLIVE GREEN SMEC; PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL CLINOPYROXENE ( .5-1%) Size(mm): .3-1 Groundmass - PLAGIOCLASE ( 5-10%) Size(mm): .1-.3 Morphology: EUHEDRAL PERCENT IS FOR TOTAL PLAG IN SECTION; ALTERED GLASS ( >90%) Morphology: EUHEDRAL,SUBHEDRAL ALTERED BY DARK BROWN SMEC* Alteration - SMECTITE Location: VEINS Replacing: OL,GLASS Leg : 68 Top/Bottom Interval(mm): 190/ 0 Describer: Pertsev, N. Hole: 501 Top of Core Depth(m) : 319.10 Rock Type: IGNEOUS Core: 19 Sample Midpoint(m) : 320.79 Sect/Pc #: 2/PCE 382 ROCK = PLAG-OL-CPX MOD PHYRIC BASALT THE SECOND THIN SECTION-STRONGLY ALTERED GROUNDMASS(SMEC,OXIDES); Texture: MOD PHYRIC,MICRODOLERITIC; Where sampled: PILLOW INTERIOR* Phenocrysts- OLIVINE Size(mm): .3-1 Morphology: EUHEDRAL PLAGIOCLASE Size(mm): .3-1 Morphology: EUHEDRAL CLINOPYROXENE Size(mm): .3-1 Morphology: EUHEDRAL,SUBHEDRAL Groundmass - OLIVINE Size(mm): .1-.3 Morphology: EUHEDRAL OLIVINE ( 1-5%) Size(mm): .03-.1 Morphology: EUHEDRAL PERCENT IS FOR TOTAL OL IN SECTION; PLAGIOCLASE Size(mm): .1-.3 Morphology: EUHEDRAL PLAGIOCLASE (10-20%) Size(mm): .03-.1 Morphology: EUHEDRAL PERCENT IS FOR TOTAL PLAG IN SECTION; CLINOPYROXENE Size(mm): .1-.3 Morphology: EUHEDRAL,SUBHEDRAL CLINOPYROXENE ( 1-5%) Size(mm): .03-.1 Morphology: EUHEDRAL,SUBHEDRAL PERCENT IS FOR TOTAL CPX IN SECTION; SPHERULITIC MESOSTASIS ( 85%) TITANOMAGNETITE ( 1-5%) Size(mm): .01-.03 Alteration - SMECTITE Replacing: OL |
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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