Leg : 54 Top/Bottom Interval(mm): 210/ 230 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 62.50 Rock Type: IGNEOUS
Core: 1 Sample Midpoint(m) : 62.72 Sect/Pc #: 1/PCE 3
ROCK = APHYRIC BASALT;
Texture: HYALOPILITIC*
Groundmass - OLIVINE
Morphology: EUHEDRAL GRAINS
DIMENSIONS 0.15X0.2MM;
PLAGIOCLASE
Morphology: MICROLITES,SHEATHLIKE,BOW-TIE
DIMENSIONS 0.02X0.5MM;
CLINOPYROXENE
Size(mm): 0.05
INCIPIENT XTLS AROUND PLAG MICROLITES;
GLASS
CRYPTOCRYSTALLINE*
Vesicles -
Size(mm): 0.2
Leg : 54 Top/Bottom Interval(mm): 920/ 940 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 62.50 Rock Type: IGNEOUS
Core: 1 Sample Midpoint(m) : 63.43 Sect/Pc #: 1/PCE 10
ROCK = APHYRIC BASALT;
Texture: INTERSERTAL,INTERGRANULAR*
Groundmass - OLIVINE ( 1.5%)
Size(mm): 0.2
PLAGIOCLASE ( 53.3%)
DIMENSIONS 0.02X0.3MM,SOME PRISMATIC LATHS ARE
BENT;
CLINOPYROXENE ( 27.3%)
DIMENSIONS 0.3X0.4,GRAPHIC INTERGROWTH WITH PLAG;
MAGNETITE ( 3.6%)
Size(mm): 0.04 Morphology: SKELETAL XTLS
GLASS ( 13.6%)
Alteration - CLAY MINERALS
Location: INTERSTICES Replacing: VOLCANIC GLASS
CALCITE
Location: INTERSTICES Replacing: VOLCANIC GLASS
Vesicles -
Size(mm): 0.4
Percent: 0.7
Filling: SMECTITE,
Filling: CALCITE
Leg : 54 Top/Bottom Interval(mm): 40/ 70 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 62.50 Rock Type: IGNEOUS
Core: 1 Sample Midpoint(m) : 64.06 Sect/Pc #: 2/PCE 1
ROCK = APHYRIC BASALT;
Texture: HYALOPILITIC*
Groundmass - OLIVINE ( 0.1%)
PLAGIOCLASE
Morphology: MICROLITES,SHEATHLIKE,BOW-TIE
DIMENSIONS 0.02X0.25MM;
CLINOPYROXENE
DIMENSIONS 0.1X0.15,INCIPIENT XTLS AROUND PLAG
MICROLITES;
GLASS
CRYPTOCRYSTALLINE*
Vesicles -
Size(mm): 0.3
Filling: CALCITE
Shape: ROUND
Leg : 54 Top/Bottom Interval(mm): 310/ 320 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 62.50 Rock Type: IGNEOUS
Core: 1 Sample Midpoint(m) : 64.32 Sect/Pc #: 2/PCE 4
ROCK = APHYRIC BASALT;
Texture: INTERSERTAL*
Groundmass - PLAGIOCLASE
DIMENSIONS 0.5X0.6;
OLIVINE
DIMENSIONS 0.05X0.1;
CLINOPYROXENE
DIMENSIONS 0.05X0.1,GRAPHIC INTERGROWTH WITH PLAG;
MAGNETITE
Size(mm): 0.02
Alteration - CLAY MINERALS
Location: INTERSTICES Replacing: VOLCANIC GLASS
TALC
Replacing: OLIVINE
Vesicles -
Size(mm): 0.4
Filling: CALCITE
Leg : 54 Top/Bottom Interval(mm): 650/ 680 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 62.50 Rock Type: IGNEOUS
Core: 1 Sample Midpoint(m) : 66.17 Sect/Pc #: 3/PCE 38
ROCK = APHYRIC BASALT;
Texture: INTERSERTAL*
Groundmass - OLIVINE
DIMENSIONS 0.15X0.20MM;
PLAGIOCLASE
DIMENSIONS 0.1X0.8MM;
CLINOPYROXENE
DIMENSIONS 0.4X0.6MM,SOME GRAPHIC INTERGROWTHS
WITH PLAG;
MAGNETITE
Size(mm): 0.05
ALBITE
LATE STAGE SODIC FELDSPAR IN INTERSTICES*
Alteration - CLAY MINERALS
Location: INTERSTICES Replacing: VOLCANIC GLASS
Vesicles -
Size(mm): 0.3
Leg : 54 Top/Bottom Interval(mm): 20/ 40 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 62.50 Rock Type: IGNEOUS
Core: 1 Sample Midpoint(m) : 67.03 Sect/Pc #: 4/PCE 1
ROCK = APHYRIC BASALT;
Texture: HYALOPILITIC*
Groundmass - PLAGIOCLASE
DIMENSIONS 0.03X0.4MM;
CLINOPYROXENE
Size(mm): 0.08
MAGNETITE
Size(mm): 0.02
GLASS
CRYPTOCRYSTALLINE*
Vesicles -
Size(mm): 0.2
Location: CALCITE
Leg : 54 Top/Bottom Interval(mm): 400/ 430 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 62.50 Rock Type: IGNEOUS
Core: 1 Sample Midpoint(m) : 67.42 Sect/Pc #: 4/PCE 6
ROCK = HYALOBASALT;
Texture: HYALOPILITIC-PILOTAXITIC*
Groundmass - OLIVINE
DIMENSIONS 0.08X0.12;
PLAGIOCLASE
DIMENSIONS 0.2X0.25MM;
CLINOPYROXENE
DIMENSIONS 0.05X0.12;
GLASS
LIGHT AND DARK BROWN WITH CRYPTOCRYSTALLINE
GLOBULES*
Vesicles -
Size(mm): 0.5
Filling: EMPTY
Leg : 54 Top/Bottom Interval(mm): 700/ 720 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 62.50 Rock Type: IGNEOUS
Core: 1 Sample Midpoint(m) : 67.71 Sect/Pc #: 4/PCE 9
ROCK = APHYRIC BASALT;
Texture: INTERSERTAL*
Groundmass - OLIVINE
DIMENSIONS 0.1X0.15;
PLAGIOCLASE
DIMENSIONS 0.05X0.4MM,SOME LATHS ARE BENT;
CLINOPYROXENE
Size(mm): 0.2
MAGNETITE
Size(mm): 0.02
Vesicles -
Size(mm): 0.2
Filling: EMPTY
Leg : 54 Top/Bottom Interval(mm): 270/ 300 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 72.00 Rock Type: IGNEOUS
Core: 2 Sample Midpoint(m) : 72.29 Sect/Pc #: 1/PCE 4
ROCK = APHYRIC BASALT;
Texture: INTERSERTAL TO INTERGRANULAR*
Groundmass - OLIVINE
DIMENSIONS 0.1X0.15MM;
PLAGIOCLASE
DIMENSIONS 0.04X0.35MM;
MAGNETITE
Size(mm): 0.02 Morphology: SKELETAL XTLS
Alteration - CLAY MINERALS
Location: INTERSTICES Replacing: VOLCANIC GLASS
Vesicles -
Size(mm): 0.5
Filling: SMECTITE,
Filling: CHLORITE
Leg : 54 Top/Bottom Interval(mm): 850/ 870 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 72.00 Rock Type: IGNEOUS
Core: 2 Sample Midpoint(m) : 72.86 Sect/Pc #: 1/PCE 10
ROCK = APHYRIC BASALT;
Texture: INTERSERTAL*
Groundmass - OLIVINE
DIMENSIONS 0.08X0.1MM;
PLAGIOCLASE
DIMENSIONS 0.4X0.03MM;
CLINOPYROXENE
DIMENSIONS 0.1X0.12MM,SHEAF-LIKE AGGREGATES OF
INCIPIENT XTLS;
MAGNETITE
Size(mm): 0.01
Alteration - CLAY MINERALS
Location: INTERSTICES Replacing: VOLCANIC GLASS
Vesicles -
Size(mm): 0.4
Filling: SMECTITE
UNEVEN DISTRIBUTION*
Leg : 54 Top/Bottom Interval(mm): 200/ 230 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 81.50 Rock Type: IGNEOUS
Core: 3 Sample Midpoint(m) : 81.72 Sect/Pc #: 1/PCE 4
ROCK = APHYRIC BASALT;
Groundmass - OLIVINE ( 0.08%)
PLAGIOCLASE
DIMENSIONS 0.03X0.2MM;
CLINOPYROXENE
DIMENSIONS 0.05X0.1MM;
MAGNETITE
Size(mm): 0.02
Vesicles -
Size(mm): 0.2
Filling: SMECTITE
Leg : 54 Top/Bottom Interval(mm): 1340/1370 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 81.50 Rock Type: IGNEOUS
Core: 3 Sample Midpoint(m) : 82.86 Sect/Pc #: 1/PCE 12A
ROCK = APHYRIC BASALT;
Texture: INTERSERTAL*
Groundmass - OLIVINE
DIMENSIONS 0.1X0.15MM;
PLAGIOCLASE
0.08X0.45MM,STAR-LIKE AGGREGATES;
CLINOPYROXENE
DIMENSIONS 0.4X0.7MM,RUDIMENTARY GRAPHIC
INTERGROWTHS WITH PLAG;
MAGNETITE
Size(mm): 0.05
Vesicles -
Size(mm): 0.7
Filling: FE.HYDRX
Leg : 54 Top/Bottom Interval(mm): 500/ 530 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 86.50 Rock Type: IGNEOUS
Core: 4 Sample Midpoint(m) : 87.01 Sect/Pc #: 1/PCE 9A
ROCK = APHYRIC BASALT;
Texture: INTERSERTAL*
Groundmass - OLIVINE (.2-.5%)
Size(mm): 0.12
PLAGIOCLASE ( 45.0%)
DIMENSIONS 0.08X0.8MM,SOME STAR-LIKE AGGREGATES;
CLINOPYROXENE ( 29.1%)
DIMENSIONS 0.2X0.4MM,RUDIMENTARY GRAPHIC
INTERGROWTHS WITH PLAG;
MAGNETITE ( 8.5%)
Size(mm): 0.07
GLASS ( 16.9%)
ALBITE
LATE STAGE SODIC FELDSPAR IN INTERSTICES*
Alteration - TALC
Replacing: OLIVINE
Vesicles -
Size(mm): 0.9
Percent: 0.5
Filling: CALCITE
Leg : 54 Top/Bottom Interval(mm): 1140/1170 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 86.50 Rock Type: IGNEOUS
Core: 4 Sample Midpoint(m) : 87.66 Sect/Pc #: 1/PCE 14
ROCK = APHYRIC BASALT;
Texture: INTERSERTAL,SUBOPHITIC*
Groundmass - OLIVINE ( 0%)
PLAGIOCLASE ( 55.4%)
DIMENSIONS 0.1X0.6MM;
CLINOPYROXENE ( 27.4%)
Size(mm): 0.2
GRAPHIC INTERGROWTHS WITH PLAG;
MAGNETITE ( 6.9%)
Size(mm): 0.08
GLASS ( 10.3%)
ALBITE
LATE STAGE SODIC FELDSPAR IN INTERSTICES*
Vesicles -
Percent: 0.8
Filling: CALCITE,
Filling: SAPONITE
Leg : 54 Top/Bottom Interval(mm): 210/ 240 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 91.00 Rock Type: IGNEOUS
Core: 5 Sample Midpoint(m) : 91.22 Sect/Pc #: 1/PCE 3A
ROCK = APHYRIC BASALT
(DOLERITE);
Texture: INTERSERTAL,OPHITIC*
Groundmass - PLAGIOCLASE
DIMENSIONS 0.1X0.6MM;
CLINOPYROXENE
Size(mm): 0.8
THERE ARE TWINNED XTLS;
MAGNETITE
Size(mm): 0.1
QUARTZ
Size(mm): TR
OCCURS WITH LATE STAGE FELDSPAR;
ALBITE
LATE STAGE SODIC FELDSPAR IN INTERSTICES*
Alteration - CARBONATE
Location: INTERSTICES Replacing: VOLCANIC GLASS
CLAY MINERALS
Location: INTERSTICES Replacing: VOLCANIC GLASS
Vesicles -
Percent: 0
Leg : 54 Top/Bottom Interval(mm): 1150/1180 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 91.00 Rock Type: IGNEOUS
Core: 5 Sample Midpoint(m) : 92.17 Sect/Pc #: 1/PCE 9
ROCK = APHYRIC BASALT;
Texture: INTERSERTAL,OPHITIC*
Groundmass - PLAGIOCLASE
DIMENSIONS 0.2X0.7MM;
CLINOPYROXENE
Size(mm): 0.6
MAGNETITE
Size(mm): 0.15
ALBITE
LATE STAGE SODIC FELDSPAR IN INTERSTICES*
Leg : 54 Top/Bottom Interval(mm): 120/ 150 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 91.00 Rock Type: IGNEOUS
Core: 5 Sample Midpoint(m) : 92.64 Sect/Pc #: 2/PCE 1A
ROCK = APHYRIC BASALT;
Texture: INTERSERTAL,SUBOPHITIC*
Groundmass - PLAGIOCLASE
DIMENSIONS 0.1X1.2,SOME STAR-LIKE AGGREGATES;
CLINOPYROXENE
DIMENSIONS 0.8X1.0,SOME TWINNED XTLS;
MAGNETITE
Size(mm): 0.16
QUARTZ ( TR%)
IN INTERSTICES WITH SODIC FELDSPAR;
ALBITE
LATE STAGE SODIC FELDSPAR IN INTERSTICES*
Alteration - CARBONATE
Location: INTERSTICES Replacing: VOLCANIC GLASS
CLAY MINERALS
Location: INTERSTICES Replacing: VOLCANIC GLASS
Leg : 54 Top/Bottom Interval(mm): 930/ 950 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 91.00 Rock Type: IGNEOUS
Core: 5 Sample Midpoint(m) : 93.44 Sect/Pc #: 2/PCE 5E
ROCK = APHYRIC BASALT;
Texture: INTERSERTAL,SUBOPHITIC*
Groundmass - PLAGIOCLASE
DIMENSIONS 0.2X0.6MM;
CLINOPYROXENE
DIMENSIONS 1.0X1.4MM;
MAGNETITE
Size(mm): 0.3
ALBITE
LATE STAGE SODIC FELDSPAR IN INTERSTICES;
APATITE ( TR%)
Leg : 54 Top/Bottom Interval(mm): 1140/1170 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 91.00 Rock Type: IGNEOUS
Core: 5 Sample Midpoint(m) : 93.66 Sect/Pc #: 2/PCE 6
ROCK = APHYRIC BASALT
(DOLERITE);
Texture: INTERSERTAL-SUBOPHITIC*
Groundmass - PLAGIOCLASE
DIMENSIONS 0.2X1.6MM;
CLINOPYROXENE
Size(mm): 0.8
MAGNETITE
Size(mm): 0.2 Morphology: SKELETAL XTLS
Alteration - CLAY MINERALS
Location: INTERSTICES
Leg : 54 Top/Bottom Interval(mm): 310/ 340 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 91.00 Rock Type: IGNEOUS
Core: 5 Sample Midpoint(m) : 94.33 Sect/Pc #: 3/PCE 2
ROCK = APHYRIC BASALT
(DOLERITE);
Texture: INTERSERTAL,SUBOPHITIC*
Groundmass - OLIVINE ( 0%)
PLAGIOCLASE ( 49.4%)
DIMENSIONS 0.4X1.6MM; GRAPHIC INTERGROWTHS WITH
PYX;
CLINOPYROXENE ( 36.3%)
SOME TWINNED XTLS;
MAGNETITE ( 5.0%)
GLASS ( 14.2%)
Vesicles -
Percent: 0
Leg : 54 Top/Bottom Interval(mm): 1230/1260 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 91.00 Rock Type: IGNEOUS
Core: 5 Sample Midpoint(m) : 95.25 Sect/Pc #: 3/PCE 12
ROCK = APHYRIC BASALT
(DOLERITE);
Texture: INTERSERTAL, OPHITIC*
Groundmass - OLIVINE
DIMENSIONS 0.3X0.4MM;
PLAGIOCLASE
DIMENSIONS 0.1X0.8MM;
CLINOPYROXENE
DIMENSIONS 0.6X1.0MM,GRAPHIC INTERGROWTH WITH
PLAG;
MAGNETITE
Size(mm): 0.08
Alteration - CLAY MINERALS
Location: INTERSTICES Replacing: VOLCANIC GLASS
Vesicles -
Size(mm): 0.6
Filling: SMEC,CALCITE
Leg : 54 Top/Bottom Interval(mm): 1230/1261 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 91.00 Rock Type: IGNEOUS
Core: 5 Sample Midpoint(m) : 95.25 Sect/Pc #: 3/PCE 12
ROCK = APHYRIC BASALT;
Texture: INTERSERTAL, SUBOPHITIC*
Groundmass - OLIVINE
Size(mm): 0.12
PLAGIOCLASE
DIMENSIONS 0.15X1.2MM;
CLINOPYROXENE
Size(mm): 0.8
SOME TWINNED XTLS;
MAGNETITE
Size(mm): 0.08
Vesicles -
Size(mm): 0.6
Filling: SMECTITE
Shape: ROUND
Leg : 54 Top/Bottom Interval(mm): 360/ 390 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 91.00 Rock Type: IGNEOUS
Core: 5 Sample Midpoint(m) : 95.88 Sect/Pc #: 4/PCE 3B
ROCK = APHYRIC BASALT;
Texture: INTERSERTAL*
Groundmass - OLIVINE
DIMENSIONS 0.1X0.12MM;
PLAGIOCLASE
DIMENSIONS 0.08X0.5MM;
CLINOPYROXENE
DIMENSIONS 0.05X0.1MM;
MAGNETITE
Size(mm): 0.02
Alteration - CLAY MINERALS
Location: INTERSTICES Replacing: VOLCANIC GLASS
Leg : 54 Top/Bottom Interval(mm): 890/ 920 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 91.00 Rock Type: IGNEOUS
Core: 5 Sample Midpoint(m) : 96.41 Sect/Pc #: 4/PCE 6
ROCK = APHYRIC BASALT
(DOLERITE);
Texture: INTERSERTAL,SUBOPHITIC*
Groundmass - OLIVINE
DIMENSIONS 0.2X0.16MM;
PLAGIOCLASE
DIMENSIONS 0.1X0.5MM;
CLINOPYROXENE
DIMENSIONS 0.4X0.6MM;
MAGNETITE
Size(mm): 0.1
Alteration - CLAY MINERALS
Location: INTERSTICES Replacing: VOLCANIC GLASS
SAPONITE
Replacing: OLIVINE
Leg : 54 Top/Bottom Interval(mm): 520/ 530 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 100.50 Rock Type: IGNEOUS
Core: 6 Sample Midpoint(m) : 101.03 Sect/Pc #: 1/PCE 8
ROCK = APHYRIC BASALT;
Texture: INTERSERTAL, SUBOPHITIC*
Groundmass - OLIVINE
Size(mm): 0.2
PLAGIOCLASE
DIMENSIONS 0.08X0.6MM;
CLINOPYROXENE
Size(mm): 0.4
SOME TWINNED XTLS;
MAGNETITE
Size(mm): 0.05
Alteration - CLAY MINERALS
Location: INTERSTICES Replacing: VOLCANIC GLASS
TALC
Replacing: OLIVINE
Leg : 54 Top/Bottom Interval(mm): 1000/1030 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 100.50 Rock Type: IGNEOUS
Core: 6 Sample Midpoint(m) : 101.51 Sect/Pc #: 1/PCE 13
ROCK = APHYRIC BASALT;
Texture: INTERSERTAL,SUBOPHITIC*
Groundmass - PLAGIOCLASE
DIMENSIONS 0.1X0.5MM;
CLINOPYROXENE
Size(mm): 0.6
MAGNETITE
Size(mm): 0.08
Alteration - CLAY MINERALS
Location: INTERSTICES Replacing: VOLCANIC GLASS
Leg : 54 Top/Bottom Interval(mm): 150/ 180 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 110.00 Rock Type: IGNEOUS
Core: 7 Sample Midpoint(m) : 110.17 Sect/Pc #: 1/PCE 2
ROCK = APHYRIC BASALT
(DOLERITE);
Texture: INTERSERTAL, SUBOPHITIC*
Groundmass - OLIVINE (.2-.5%)
DIMENSIONS 0.15X0.2MM;
PLAGIOCLASE ( 50.1%)
DIMENSIONS 0.1X0.7MM;
CLINOPYROXENE ( 27.0%)
Size(mm): 0.6
MAGNETITE ( 5.2%)
Size(mm): 0.15
GLASS ( 17.7%)
Alteration - CLAY MINERALS
Location: INTERSTICES Replacing: VOLCANIC GLASS
Vesicles -
Percent: 0
Leg : 54 Top/Bottom Interval(mm): 60/ 90 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 110.00 Rock Type: IGNEOUS
Core: 7 Sample Midpoint(m) : 111.58 Sect/Pc #: 2/PCE 1D
ROCK = APHYRIC BASALT;
Texture: INTERSERTAL, SUBOPHITIC*
Groundmass - PLAGIOCLASE
DIMENSIONS 0.08X0.6MM;
CLINOPYROXENE
Size(mm): 0.6
MAGNETITE
Size(mm): 0.2
Leg : 54 Top/Bottom Interval(mm): 1470/1500 Describer: Dmitriev, Y.
Hole: 428A Top of Core Depth(m) : 110.00 Rock Type: IGNEOUS
Core: 7 Sample Midpoint(m) : 112.99 Sect/Pc #: 2/PCE 12
ROCK = APHYRIC BASALT
(DOLERITE);
Texture: INTERSERTAL, OPHITIC*
Groundmass - OLIVINE (.2-.5%)
Size(mm): 0.1X0.2
PLAGIOCLASE ( 46.1%)
Size(mm): 0.05X0.5
CLINOPYROXENE ( 5.3%)
Size(mm): 0.04
GLASS ( 17.3%)
Alteration - CLAY MINERALS
Location: INTERSTICES Replacing: VOLCANIC GLASS
Vesicles -
Percent: 0
|
