Leg : 49 Top/Bottom Interval(mm): 380/ 420 Describer: DSDP microfilm
Hole: 413 Top of Core Depth(m) : 110.00 Rock Type: IGNEOUS
Core: 1 Sample Midpoint(m) : 111.90 Sect/Pc #: 2/PCE 5
ROCK = OL MICROPHYRIC BASALT
ALTERED;
Texture: VARIOLITIC,GLASSY,MICROPHYRIC;
Where sampled: NEXT TO GLASSY MARGIN*
Phenocrysts- OLIVINE ( 10%)
Size(mm): 0.2-0.4
FRESH*
Groundmass - GLASS ( 97%)
ALTERED;
OLIVINE ( RARE%)
Morphology: QUENCHED
PLAGIOCLASE ( RARE%)
Morphology: QUENCHED
CLINOPYROXENE
Morphology: PLUMOSE
OPAQUE MINERALS ( 3%)
INCLUDES MAGN+ILMENITE*
Vesicles -
Size(mm): .1-.5
Percent: <1
Leg : 49 Top/Bottom Interval(mm): 1230/1240 Describer: DSDP microfilm
Hole: 413 Top of Core Depth(m) : 110.00 Rock Type: IGNEOUS
Core: 1 Sample Midpoint(m) : 112.74 Sect/Pc #: 2/PCE 14
ROCK = APHYRIC BASALT;
Texture: APHYRIC,OPHITIC,HOLOCRYSTALLINE;
Where sampled: FLOW INTERIOR*
Groundmass - OLIVINE ( 10%)
PLAGIOCLASE ( 55%)
CLINOPYROXENE ( 35%)
SECTOR ZONING,COLORED;
OPAQUE MINERALS ( 5%)
INCLUDES ILMENTITE+MAGNETITE*
Vesicles -
Size(mm): .1-.4
Percent: 2
Filling: SMEC
Leg : 49 Top/Bottom Interval(mm): 420/ 460 Describer: DSDP microfilm
Hole: 413 Top of Core Depth(m) : 115.00 Rock Type: IGNEOUS
Core: 2 Sample Midpoint(m) : 115.44 Sect/Pc #: 1/PCE 5
ROCK = OL MICROPHYRIC BASALT;
Texture: MICROPHYRIC,VARIOLITIC,INTERSERTAL,GLASSY;
Where sampled: NEXT TO GLASSY MARGIN*
Phenocrysts- OLIVINE ( 10%)
FRESH*
Groundmass - GLASS ( 65%)
ALTERED,GRAY;
OLIVINE ( 5%)
PLAGIOCLASE ( 15%)
CLINOPYROXENE ( 15%)
Leg : 49 Top/Bottom Interval(mm): 700/ 740 Describer: DSDP microfilm
Hole: 413 Top of Core Depth(m) : 115.00 Rock Type: IGNEOUS
Core: 2 Sample Midpoint(m) : 115.72 Sect/Pc #: 1/PCE 8
ROCK = OL MICROPHYRIC GLASSY BASALT;
Texture: MICROPHYRIC,GLASSY;
Where sampled: FLOW MARGIN*
Phenocrysts- OLIVINE ( 7-10%)
Morphology: QUENCHED
FRESH*
Groundmass - GLASS (90-93%)
ALTERED (DEVITRIFIED),DARK BROWN*
Leg : 49 Top/Bottom Interval(mm): 240/ 270 Describer: DSDP microfilm
Hole: 413 Top of Core Depth(m) : 124.50 Rock Type: IGNEOUS
Core: 3 Sample Midpoint(m) : 124.76 Sect/Pc #: 1/PCE 4
ROCK = OL MICROPHYRIC BASALT;
Texture: MICROPHYRIC,VARIOLITIC,INTERSERTAL;
Where sampled: NEXT TO MARGIN*
Phenocrysts- OLIVINE ( >5%)
Size(mm): .3-.4
FRESH,RARE PHENOS TO 1.5 MM,SPINEL INCLUSIONS*
Groundmass - GLASS ( 20%)
ALTERED,GRAY BROWN;
OLIVINE ( 5%)
PLAGIOCLASE ( 35%)
CLINOPYROXENE ( 30%)
OPAQUE MINERALS ( 3%)
INCLUDES ILMENITE+MAGN*
Leg : 49 Top/Bottom Interval(mm): 440/ 480 Describer: DSDP microfilm
Hole: 413 Top of Core Depth(m) : 124.50 Rock Type: IGNEOUS
Core: 3 Sample Midpoint(m) : 124.96 Sect/Pc #: 1/PCE 6
ROCK = OL MICROPHYRIC GLASSY BASALT;
Texture: GLASSY,MICROPHYRIC;
Where sampled: FLOW MARGIN*
Phenocrysts- OLIVINE ( 7-10%)
Morphology: QUENCHED
FRESH*
Groundmass - GLASS (90-95%)
ALTERED,GRAY BROWN*
Leg : 49 Top/Bottom Interval(mm): 230/ 270 Describer: DSDP microfilm
Hole: 413 Top of Core Depth(m) : 134.00 Rock Type: IGNEOUS
Core: 4 Sample Midpoint(m) : 134.25 Sect/Pc #: 1/PCE 3
ROCK = OL MICROPHYRIC GLASSY BASALT;
Texture: GLASSY,MICROPHYRIC;
Where sampled: FLOW MARGIN*
Phenocrysts- OLIVINE ( 10%)
FRESH*
Groundmass - GLASS ( 90%)
ALTERED,YELLOW BROWN*
Alteration - PALAGONITE
Replacing: GLASS
Vesicles -
Size(mm): .01
Percent: RARE
Leg : 49 Top/Bottom Interval(mm): 650/ 670 Describer: DSDP microfilm
Hole: 413 Top of Core Depth(m) : 134.00 Rock Type: IGNEOUS
Core: 4 Sample Midpoint(m) : 134.66 Sect/Pc #: 1/PCE 7
ROCK = OL MICROPHYRIC BASALT;
Texture: VARIOLITIC,GLASSY,MICROPHYRIC;
Where sampled: NEXT TO GLASSY MARGIN*
Phenocrysts- OLIVINE ( 10%)
FRESH*
Groundmass - GLASS ( 40%)
ALTERED,GRAY;
SPINEL
OLIVINE ( 5%)
PLAGIOCLASE ( 35%)
CLINOPYROXENE ( 10%)
Vesicles -
Size(mm): .2-.4
Percent: 1
Filling: CARB
Leg : 49 Top/Bottom Interval(mm): 200/ 220 Describer: DSDP microfilm
Hole: 413 Top of Core Depth(m) : 143.50 Rock Type: IGNEOUS
Core: 5 Sample Midpoint(m) : 143.71 Sect/Pc #: 1/PCE 3
ROCK = OL MICROPHYRIC BASALT;
Texture: VARIOLITIC,INTERSERTAL,MICROPHYRIC;
Where sampled: NEXT TO MARGIN*
Phenocrysts- OLIVINE ( 10%)
FRESH;
SPINEL
INCLUSIONS IN OL MICROPHENOS*
Groundmass - GLASS ( 20%)
ALTERED;
OLIVINE ( TR%)
PLAGIOCLASE ( 40%)
CLINOPYROXENE ( 30%)
Leg : 49 Top/Bottom Interval(mm): 450/ 500 Describer: DSDP microfilm
Hole: 413 Top of Core Depth(m) : 143.50 Rock Type: IGNEOUS
Core: 5 Sample Midpoint(m) : 143.97 Sect/Pc #: 1/PCE 8
ROCK = OL MICROPHYRIC BASALT;
Texture: VARIOLITIC,INTERSERTAL;
Where sampled: NEXT TO MARGIN*
Phenocrysts- OLIVINE ( 7%)
FRESH*
Groundmass - GLASS ( 30%)
ALTERED,COLRED TO REDDISH BROWN BY FE OXIDES;
PLAGIOCLASE ( 30%)
OLIVINE ( 5%)
CLINOPYROXENE ( 25%)
OPAQUE MINERALS ( 3%)
INCLUDES ILMENITE+MAGN*
Vesicles -
Size(mm): .02-.4
Percent: <1
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