Leg : 32 Top/Bottom Interval(mm): 1270/1290 Describer: Marshall, M. Hole: 313 Top of Core Depth(m) : 588.00 Rock Type: IGNEOUS Core: 43 Sample Midpoint(m) : 589.28 Sect/Pc #: 1/PCE 1 ROCK = BASALT; Texture: INTERSERTAL,VESICULAR* Groundmass - PLAGIOCLASE Size(mm): .03X.3 Morphology: LATHS CORES ALTERED TO ZEOLITE; PYROXENE Size(mm): .025X.15 TITANOAUGITE,ALTERED,GROUNDMASS LARGELY ALTERED TO CLOUDS OF IRON OXIDE(GOETHITE)GRANULES AND MONTMORILLONITE(?)* Alteration - MONTMORILLONITE Location: VESICLES Replacing: GROUNDMASS CALCITE Location: VESICLES ZEOLITE Location: VESICLES Replacing: PLAG Vesicles - Size(mm): .1-.4 Percent: 25 Filling: CALCITE+ZEOLITE Filling: +MONT Leg : 32 Top/Bottom Interval(mm): 390/ 410 Describer: Marshall, M. Hole: 313 Top of Core Depth(m) : 588.00 Rock Type: IGNEOUS Core: 43 Sample Midpoint(m) : 589.90 Sect/Pc #: 2/PCE 5 ROCK = BASALT; Texture: INTERSERTAL,VESICULAR* Groundmass - PLAGIOCLASE Size(mm): .04X.4 Morphology: LATHS CORES ALTERED TO ZEOLITE; PYROXENE Size(mm): .04X.15 Morphology: PRISMS TITANOAUGITE,MUCH OF GROUNDMASS IS ALTERED TO MONTMORILLONITE(?)* Vesicles - Size(mm): .2-.4 Percent: 10-15 Filling: ZEOLITE Leg : 32 Top/Bottom Interval(mm): 780/ 800 Describer: Marshall, M. Hole: 313 Top of Core Depth(m) : 588.00 Rock Type: IGNEOUS Core: 43 Sample Midpoint(m) : 590.29 Sect/Pc #: 2/ ROCK = BASALT SOURCE IS IR* Groundmass - PLAGIOCLASE Morphology: LATHS CORES OF PLAG LATHS FREQUENTLY ALTERED TO PHILLIPSITE?; AUGITE Morphology: PRISMS TITANOAUGITE AMPHIBOLE BROWN-HORNBLENDE? GLASS PALAGONITIZED-MATRIX* Alteration - MONTMORILLONITE Location: VESICLES CALCITE Location: VESICLES Vesicles - Size(mm): .05-.1 Filling: CALCITE+MONT Leg : 32 Top/Bottom Interval(mm): 750/ 790 Describer: Marshall, M. Hole: 313 Top of Core Depth(m) : 597.00 Rock Type: IGNEOUS Core: 44 Sample Midpoint(m) : 597.77 Sect/Pc #: 1/PCE 16 ROCK = BASALT SOURCE IS IR; Texture: INTERSERTAL, VESICULAR* Groundmass - PLAGIOCLASE Size(mm): .06X.6 Morphology: LATHS CORES ALTERED TO ZEOLITE; PYROXENE Size(mm): .04X.15 Morphology: PRISMATIC TITANOAUGITE,APPARENTLY FRESH,SOME GROUNDMASS ALTERATION(TO MONT?)* Vesicles - Size(mm): .1-.8 Percent: 10-15 Filling: ZEOLITE Leg : 32 Top/Bottom Interval(mm): 750/ 820 Describer: Marshall, M. Hole: 313 Top of Core Depth(m) : 597.00 Rock Type: IGNEOUS Core: 44 Sample Midpoint(m) : 597.78 Sect/Pc #: 1/ ROCK = BASALT SOURCE IS IR; Texture: INTERGRANULAR* Groundmass - PLAGIOCLASE Morphology: LATHS CORES ALTERED TO PHILLIPSITE?; AUGITE Morphology: PRISMS TITANOAUGITE; HORNBLENDE ELONGATE,BROWN,ID UNCERTAIN FOR HBL; BIOTITE SPARSE,RED-BROWN,X-RAY ANALYSIS SHOWS PRESENCE OF K-FELDSPAR,AMPHIBOLE APPEARS TO BE PRIMARY* Alteration - PHILLIPSITE Location: VESICLES Vesicles - Filling: PHILLIPSITE Leg : 32 Top/Bottom Interval(mm): 1250/1270 Describer: Marshall, M. Hole: 313 Top of Core Depth(m) : 597.00 Rock Type: IGNEOUS Core: 44 Sample Midpoint(m) : 599.76 Sect/Pc #: 2/ ROCK = BASALT SAME AS 32-313-44-1-75-82 EXCEPT SCATTERED PATCHES OF DUSTY BROWN GLASS,EXCEPT FOR ALTERATION OF PLAG CORES,ROCK APPEARS FRESH,SOURCE IS IR* Leg : 32 Top/Bottom Interval(mm): 1440/1460 Describer: Marshall, M. Hole: 313 Top of Core Depth(m) : 597.00 Rock Type: IGNEOUS Core: 44 Sample Midpoint(m) : 601.45 Sect/Pc #: 3/ ROCK = BASALT SAME AS 32-313-44-2-125-127 EXCEPT MUCH MORE GLASS WHICH HERE IS A DARKER REDDISH-BROWN AND PALAGONITIZED,X-RAY ANALYSIS SHOWS THE PRESENCE OF K-FELDSPAR,SOURCE IS IR* Vesicles - Size(mm): .2-.4 Percent: 15 Filling: ZEOLITE |
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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