Leg : 44 Depth Top/Bottom of Layer(m) : 48.73/ 48.82
Hole: 392 Depth to Top of Core(m) : 47.50
Core: 1 Depth Top/Bottom Interval(mm): 1230/1320
Sect: 1
Visual Text Description:
MANGANESE NODULES;C N2-DARK GRAYISH BLACK;S ROUGHLUMPS WITH A SPONGY TO
VAGUELY LAMINATED STRUCTURE;D BRECCIATED;P LARGEST PIECE ENCRUSTED BY
LIVING ANEMONE AND SERPULIDS (PARTIALLY COATED) THEREFORE CAMEFROM PRESENT
SEDIMENT SURFACE;O WITH OTHER ROCK FRAGMENTS, VERY DULL AND MATT BLACK
(N2) SURFACE;H HARD;Z 12130000
Leg : 44 Depth Top/Bottom of Layer(m) : 48.82/ 49.00
Hole: 392 Depth to Top of Core(m) : 47.50
Core: 1 Depth Top/Bottom Interval(mm): 1320/1500
Sect: 1
Visual Text Description:
LIMESTONE;C 10YR8/2-WHITE, 10Y7/3-PALE YELLOW, -DARK BROWN, 10YR8/3-VERY
PALE BROWN;S LIMESTONE FRAGMENTS IN TWO CATAGORIES AT 132-139 CM TYPE ONE
IS ROUNDED BORED 10YR8/2 MUDDY OR SILTY LIMESTONE TYPE 2 ISDENSE MICRITIC
? LIMESTONE WITH CEMENT CLEAR TO MILKY SPAR POROSITY HIGH FROM INCOMPLETE
CEMENT BETWEEN RIMS OF MILKY CALCITE IN SHELTER PORES AT 146-150 CM;P
GLOBIGERINA-TYPE FORAMS IN TYPE 1, SEVERAL PIECES OF SPONGE IN TUBE
PROBABLY ALIVE WHEN SAMPLED;O TYPE 1 BORING ARE SPOTTED WITH MN AND
PLANKTONIC FORAMS, INTERPRETATION OF TYPE 1 IS ROCKS AT SURFACE, TYPE 2
HAS LIGHT BROWN COATING IN PORES AND THE LITHOCLASTS ARE VERY ANGULAR
PLATES TO 15 MM ACROSS OF ANGULAR FRAGMENTS WITH PARTIALLY CEMENTED
LITHOCLASTIC TEXTURE MICRITIC ? LIMESTONE, 10Y7/3 AT 139-141CM SPONGY WITH
IRREGULAR BIRDSEYE OR SHELTER PORES (1-2 MM) BETWEEN DENSE PLATES OR SMALL
LUMPS OF MICRITE (< 1 MM TO 1 CM DIAMETER);S MULTIPLE LAMINATED CRUSTS AT
141-143 CM DENSE ANDPEARLY LUSTROUS TO COARSELY CRYSTALLINE CARBONATE
(LUSTROUS ONES APPEAR TO BE ORIENTED CRYSTALS) INTERSPERSED WITH AND
INCORPORATING DARK BROWN OOIDS AND BELEMNITES IN A MATRIX OF 10YR8/3
(SPLOTCHY) CARBONATE MUD, DENSE INTRACLASTIC 10YR8/3 LIMESTONE AT 143-146
CM, POROUS INTRACLASTIC LIMESTONE AT 146-150 CM WITH MICRITE LUMPS
POSSIBLY SOME SKELETAL;D BRECCIATED;U TYPE 1 HAS MN ROSETTES THROUGOUT THE
INTERIOR OFROCK;U OOIDS (POSSIBLY CHAMOSITE) OF 141-143 CM ARE
CONCENTRICALLY LAMINATED OBLATE SPHEROIDS (UP TO 2 MM) WITH RUSTY
IRREGULAR LUMPS OR OTHER OOIDS AS NUCLEI, CLASTS AT 143-146 CM ARE ROUND
TO ANGULAR MICRITE TO1 CM CEMENT MILKY FINE SPAR OVERLAIN BY COARSELY
CRYSTALLINE CLEAR SPAR;M PARTIALLY MN COATED IN TYPE 1,CLASTS IN FORM OF
SHELTER VOIDS UNCERTAIN WHETHER CLASTS ARE STIFF MUD OR HARD MICRITE
(RECRYSTALLIZED LIMESTONE, INTERPRETATION OF TYPE 2 PROBABLY IN SITULUMPS
TO 2 CM DIAMETER;O FOUR ROCKS AT 139-150 CM PERHAPS IN SEQUENCE BUT
CERTAINLY NOT ADJACENT ORIGINALLY, INTERPRETATION OF139-141 CM SEDIMENTARY
AGGREGATE OF HARD PELLETOIDSAND GRAPESTONE LUMPS OR SOFT CLASTS OF MUD
WITH CRUMBLY TEXTURE FROM WETTING AND DRYING (INTERTIDAL), INTERPRETATION
OF 141-143 CM CRUSTS ARE WEATHERING SUBAERIAL OR POSSIBLY SUBMARINE;H SOFT
TYPE 1, TYPE 2 HARD PARTIALLY CEMENTED, REST HARD;Z 12130000
Leg : 44 Depth Top/Bottom of Layer(m) : 57.00/ 58.50
Hole: 392 Depth to Top of Core(m) : 57.00
Core: 2 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
LIMESTONE;D DRILL CUTTING ENTIRELY;O CONTAINS PARTICLES < 2 MM OF MOST OF
MATERIAL DESCRIBED IN SECTION 1 CORE 1 IE MN LUMPS MICRITIC LIMESTONE DARK
OOIDS AND SHELLS, NO OOZE?;H STIFF;Z 12130000
Leg : 44 Depth Top/Bottom of Layer(m) : 58.50/ 60.00
Hole: 392 Depth to Top of Core(m) : 57.00
Core: 2 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
LIMESTONE;C 10YR8/4, 5Y8/3, 10YR7/3;P SKELETAL DEBRIS, PELECYPODS,
GASTROPODS, OSTRACODS REPLACED BYCLEAR SPAR PROBABLY MOLDS;S LAMINAE,
VERTICAL PORES126-131 CM 134-135 CM 143-145 CM 147-150 CM FORMEDBY GAS
ESCAPE OR POSSIBLY MUD CRACKING (FILLED), LIMESTONE, MUDSTONE AND
WACKESTONE WITH MUD INTERCLASTSAND DRAPES;O SAND OF DRILL CUTTINGS ANGULAR,
PLATEYLIMESTONE CUTTINGS DOMINANT,PROMINANT "BIRDSEYE" ORLATERALLY
EXTENDED PORES (FILLED). ORIGIN OF THE "BIRDSEYE" FABRIC IS MAJOR
QUESTION. LATERALLY CONTINUOUS NATURE OF MUD SUGGESTS WETTING AND DRYING,
GASFUMAROLES AND POSSIBLY ALGAL STROMATOLITES WERE INVOLVED (I.E. NOT
CLASTIC) SANDY LAYERS WOULD BE COMPATIBLE AS STORM LAYERS. BIRDSEYES
PREDOMINATELY SHELTER VOIDS MADE POSSIBLE BY COHESIVENESS OF THE MUDDY
LAYERS. ALGAE MAY WELL BE INVOLVED IN THE BIRDSEYE FORMATION IN
LIMEMUDSTONE AND WACKESTONE;H STIFF;Z 00000000
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