Leg : 28 Top/Bottom Interval(mm): 150/ 400 Analyst: Kemp, F.M.
Hole: 266 Sample Midpoint (m) : 370.40
Core: 23 Top of Core Depth (m) : 370.00
Sect: 1 Top of Section Depth(m): 370.15
LITHOLOGY: SEDIMENT (NANNO FOSSIL CLAY AND BASALTIC GLASS);
Comments : SOFT PALE YELLOWISH BROWN SEDIMENT HAS THE
APPEARANCE OF BEING A DRILLING SLUDGE - MADE UP
OF FRAGMENTS NOT EXCEEDING 0.5 CM, PALE BROWN
GREENISH GREY CHALK FRAGMENTS IDENTIFIABLE + ALSO
ABUNDANT BLACK AND ORANGE FLAKES WHICH MAY BE RUST
- BUT POSSIBLY INCLUDE BASALT AND GLASS CHIPS,
SEE THE CORE FORM AND LITHOLOGIC DESCRIPTION IN THE
INITIAL REPORTS FOR MORE INFORMATION;
Leg : 28 Top/Bottom Interval(mm): 400/ 870 Analyst: Kemp, F.M.
Hole: 266 Sample Midpoint (m) : 370.87
Core: 23 Top of Core Depth (m) : 370.00
Sect: 1 Top of Section Depth(m): 370.40
LITHOLOGY: BASALT;
Alteration : FRESH;
Comments : BLUE BLACK, DULL, SOME FRAGMENTS ARE FULL CORE
DIAMETER AND PROBABLY IN PLACE, FRESH LOOKING,
5 FRAGMENTS OF OBSIDIAN, SEE THE CORE FORM AND
LITHOLOGIC DESCRIPTION IN THE INITIAL REPORTS FOR
MORE INFORMATION;
Leg : 28 Top/Bottom Interval(mm): 0/ 0 Analyst: Kemp, F.M.
Hole: 266 Sample Midpoint (m) : 371.60
Core: 23 Top of Core Depth (m) : 370.00
Sect: CC Top of Section Depth(m): 371.60
LITHOLOGY: BASALT;
Texture : THREE FRAGMENTS OF BASALT RANGING 6 - 10 CMS IN
DIAMETER, DENSE, FINE, ONE FRAGMENT BEARING ONE
GLASSY FACE + BLACK VITREOUS CONCHOIDAL FRACTURE;
Comments : THREE FRAGMENTS OF BASALT RANGING 6 - 10 CMS IN
DIAMETER, BLUE-BLACK;
Leg : 28 Top/Bottom Interval(mm): 0/1500 Analyst: Kemp, F.M.
Hole: 266 Sample Midpoint (m) : 376.00
Core: 24 Top of Core Depth (m) : 374.50
Sect: 1 Top of Section Depth(m): 374.50
LITHOLOGY: BASALT;
Texture : BASALT FRAGMENTS WITH BRECCIA - CREAM MATRIX
(POSSIBLY CALCITE) ENCLOSING ANGULAR BLACK TO
ORANGE GLASS FRAGMENTS, TWENTY-NINE FRAGMENTS IN
CORE SECTION, SOME FRAGMENTS BEAR GLASSY SURFACES
+ CONCHOIDALLY FRACTURING;
Structure : BASALT FRAGMENTS FRACTURED AND ARE FILLED ALONG
FRACTURES WITH CALCITE OR ZEOLITES;
Comments : BASALT FRAGMENTS WITH BRECCIA - CREAM MATRIX
(POSSIBLY CALCITE) ENCLOSING ANGULAR BLACK TO
ORANGE GLASS FRAGMENTS, BASALT BLUE-BLACK DULL,
TWENTY-NINE FRAGMENTS IN CORE SECTION AND ABOUT
HALF ARE FULL CORE DIAMETER FRAGMENTS - SO THEY
HAVE PROBABLY NOT BEEN DISPLACED;
Vesicles : Size(mm): 2-3 Percent:
Location: Filling: CALCITE
BASALT IS VESICULAR - MOST INTENSELY SO
BETWEEN 25-85 CM WITH VESICLES AVERAGING 2-3 MM
IN DIAMETER, VESICLES ARE FILLED OR PARTIALLY
FILLED WITH WHITE CRYSTAL GROWTH (IDENTIFICATION
OF CALCITE QUESTIONABLE) + YELLOW DULL CAVITY
LININGS, VESICLES POORLY DEVELOPED IN LOWER PART
OF CORE;
Groundmass : GLASS
GLASS FRAGMENTS;
Replacement: CALCITE
ZEOLITE
BASALT FRAGMENTS FRACTURED AND FILLED ALONG
FRACTURES WITH CALCITE OR ZEOLITES, IDENTIFICATION
OF CALCITE IN VESICLES QUESTIONABLE;
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