Leg : 28 Top/Bottom Interval(mm): 0/1210 Analyst: Barrett, P.J.
Hole: 264 Sample Midpoint (m) : 170.71
Core: 11 Top of Core Depth (m) : 168.00
Sect: 2 Top of Section Depth(m): 169.50
LITHOLOGY: SEDIMENT (NANNO CHALK);
Leg : 28 Top/Bottom Interval(mm): 1210/1500 Analyst: Barrett, P.J.
Hole: 264 Sample Midpoint (m) : 171.00
Core: 11 Top of Core Depth (m) : 168.00
Sect: 2 Top of Section Depth(m): 170.71
LITHOLOGY: CONGLOMERATE BASALT;
MICROBRECCIA;
Texture : PEBBLES SUBANGULAR TO ROUNDED MOSTLY 0.3 CM TO 1.5
CM, UP TO 6 CM LONG OF LARGER PEBBLES AND
CRYSTALLINE BASALT (CRYSTALS 0.2 TO 0.5 MM),
SMALLER PEBBLES ARE MICROBRECCIA OR APHANITE +
(DEVITRIFIED GLASS);
Structure : MATRIX IS SAND, FILM OF CALCITE CEMENT AROUND
PEBBLES AND VEINS;
Comments : LIGHT BROWN (5 YR 6/4 -5/6) TO YELLOWISH BROWN
(10 YR 5/4 - 4/2), MATRIX IS SAND, FILM OF CALCITE
CEMENT AROUND PEBBLES AND VEINS, GREYISH RED PURPLE
PEBBLE 5 CM LONG;
Vesicles : ONE LOWER SAMPLE IS AMYGDALOIDAL;
Replacement: CALCITE
CALCITE CEMENT AROUND PEBBLES AND VEINS;
Leg : 28 Top/Bottom Interval(mm): 0/ 0 Analyst: Barrett, P.J.
Hole: 264 Sample Midpoint (m) : 171.10
Core: 11 Top of Core Depth (m) : 168.00
Sect: CC Top of Section Depth(m): 171.10
LITHOLOGY: BASALT;
Texture : FINE GRAINED, DENSE;
Comments : ONE PIECE 8 CM LONG, MODERATE YELLOWISH BROWN
(10 YR 5/4), UNIFORM;
Leg : 28 Top/Bottom Interval(mm): 0/ 0 Analyst: Barrett, P.J.
Hole: 264 Sample Midpoint (m) : 177.60
Core: 12 Top of Core Depth (m) : 177.50
Sect: CC Top of Section Depth(m): 177.60
LITHOLOGY: BASALT;
Texture : FINE GRAINED AND EQUI-GRANULAR, DENSE;
Comments : ONE PIECE 8 CM LONG JAMMED IN CORE CATCHER,
DARK YELLOWISH BROWN (10 YR 4/4), HAS BEEN DRILLED
IN TWO PERPENDICULAR DIRECTIONS, SEE LITHOLOGIC
DESCRIPTION AND CORE FORM IN THE INITIAL REPORTS
FOR ADDITIONAL INFORMATION;
Leg : 28 Top/Bottom Interval(mm): 1200/1500 Analyst: Barrett, P.J.
Hole: 264 Sample Midpoint (m) : 188.50
Core: 13 Top of Core Depth (m) : 187.00
Sect: 1 Top of Section Depth(m): 188.20
LITHOLOGY: BASALT;
MICROBRECCIA;
Texture : EIGHT FRAGMENTS FROM 2 TO 6 CM ACROSS, FINE
CRYSTALLINE TO APHANITIC BASALTIC ROCK, TWO OF THE
FRAGMENTS ARE FEATURELESS APHANITIC PEBBLES AND THE
REMAINING PEBBLE IS MICROBRECCIA, FOUR HAVE A FEW
PLAG PHENOCRYSTS AND FIVE HAVE SCATTERED AMYGDULES;
Comments : EIGHT FRAGMENTS FROM 2 TO 6 CM - ROCKS OF MEDIUM
GREY TO GREENISH GREY, SEE CORE FORM AND LITHOLOGIC
DESCRIPTION IN THE INITIAL REPORTS FOR ADDITIONAL
INFORMATION;
Vesicles : FIVE FRAGMENTS HAVE SCATTERED AMYGDULES;
Phenocrysts: PLAGIOCLASE
FOUR FRAGMENTS HAVE A FEW PLAG PHENOCRYSTS;
Leg : 28 Top/Bottom Interval(mm): 0/ 0 Analyst: Barrett, P.J.
Hole: 264 Sample Midpoint (m) : 188.60
Core: 13 Top of Core Depth (m) : 187.00
Sect: CC Top of Section Depth(m): 188.60
LITHOLOGY: BASALT;
Texture : NINE FRAGMENTS FROM 2 TO 6 CM ACROSS, FINE GRAINED
TO APHANITIC BASALTIC ROCKS;
Comments : NINE FRAGMENTS OF YELLOWISH GREY AND GREENISH
GREY TO DARK GREENISH GREY, SEE CORE FORM AND
LITHOLOGIC DESCRIPTION IN THE INITIAL REPORTS FOR
MORE INFORMATION;
Leg : 28 Top/Bottom Interval(mm): 0/ 0 Analyst: Barrett, P.J.
Hole: 264 Sample Midpoint (m) : 196.60
Core: 14 Top of Core Depth (m) : 196.50
Sect: CC Top of Section Depth(m): 196.60
LITHOLOGY: BASALT;
Texture : ONE FRAGMENT 7 CM LONG OF MODERATELY SORTED
CONGLOMERATE WITH SUBROUNDED TO ROUNDED PEBBLES
UP TO 9 CM ACROSS, PEBBLE MATRIX IS COARSE SAND
HELD TOGETHER BY CALCITE AND CHLORITE CEMENT, BOTH
PEBBLES AND SAND ARE OF DEVITRIFIED BASALTIC
VITROPHYRE;
Comments : ONE FRAGMENT 7 CM LONG OF MODERATELY SORTED
CONGLOMERATE WITH SUBROUNDED TO ROUNDED PEBBLES
UP TO 9 CM ACROSS, PEBBLE MATRIX IS COARSE SAND
HELD TOGETHER BY CALCITE AND CHLORITE CEMENT, BOTH
PEBBLES AND SAND ARE OF DEVITRIFIED BASALTIC
VITROPHYRE, SEE CORE FORM AND LITHOLOGIC DESCRIPTION
IN THE INITIAL REPORTS FOR MORE INFORMATION;
Replacement: CALCITE
CHLORITE
PEBBLE MATRIX IS COARSE AND HELD TOGETHER BY
CALCITE AND CHLORITE CEMENT;
Leg : 28 Top/Bottom Interval(mm): 0/ 0 Analyst: Barrett, P.J.
Hole: 264 Sample Midpoint (m) : 206.10
Core: 15 Top of Core Depth (m) : 206.00
Sect: CC Top of Section Depth(m): 206.10
LITHOLOGY: BASALT;
Texture : ONE PIECE (6 X 6 X 6 CM) DENSE + FINE GRAINED AND
VERY CRYSTALLINE;
Alteration : ALBITISED BASALT;
Comments : ONE PIECE (6 X 6 X 6 CM) OF OLIVE GREY TO DARK
GREENISH GREY, ALBITISED BASALT, SEE CORE FORM
AND LITHOLOGIC DESCRIPTION IN THE INITIAL REPORTS
FOR MORE INFORMATION;
|