Leg : 8 Depth Top/Bottom of Layer(m) : 528.28/ 529.42 Hole: 71A Depth to Top of Core(m) : 528.00 Core: 1 Depth Top/Bottom Interval(mm): 280/1420 Sect: 1 Visual Text Description: NANNO CHALK;C 5B9/1-BLUISH WHITE,5G6/1-GREENISH GREY;S GREENISH GREY "VARVES" AT 47-52CM AND 109-136CM OR FINE LAMINAE;H HARD,WELL INDURATED, CAN SCRATCH WITH FINGERNAIL;O CONTAINS SOME PARTLY DISSOCIATED SILICIOUS FOSSILS AND VOLCANIC GLASS;O FRAGMENTS UP TO 10CM LONG;Z 11121210 Leg : 8 Depth Top/Bottom of Layer(m) : 553.00/ 554.50 Hole: 71A Depth to Top of Core(m) : 553.00 Core: 2 Depth Top/Bottom Interval(mm): 00/1500 Sect: 1 Visual Text Description: LIMESTONE WITH CHERT INTERGROWTHS;C 5G8/1-LIGHT GREENISH GREY,5Y6/1-LIGHT OLIVE GREY,5GY6/1-GREENISH GREY;S GREENISH GREY BELOW 100CM,LIGHT OLIVE GREY NON-CALCAREOUS CHERT REPLACEMENT WITH IRREGULAR EMBAYED BOUNDARIES AND LIMESTONE "HORSES" AT 50-53CM 68-72CM,CHERT WHISPS 92-100CM AND 140-148CM,STYLOLITE LIKE FRACTURE WITH APPARENT OFFSET AT 125CM 45DEGREES OFF HORIZONTAL,0-100CM HAS FINE IRREGULAR LENTICULAR MOTTLES;H HARD;D FRAGMENTS UP TO 30CM LONG;Z 12130000 Leg : 8 Depth Top/Bottom of Layer(m) : 554.50/ 554.84 Hole: 71A Depth to Top of Core(m) : 553.00 Core: 2 Depth Top/Bottom Interval(mm): 00/ 340 Sect: 2 Visual Text Description: LIMESTONE;C 5G8/1-LIGHT GREENISH GREY,5GY6/1-GREENISH GREY;S 0-15CM HAS GREENISH GREY INTERGROWTHS OFCHERT,20-34CM HAS FINE LENTICULAR MOTTLES;D FRAGMENTS UP TO 10CM LONG;H HARD;Z 12130000 Leg : 8 Depth Top/Bottom of Layer(m) : 555.00/ 556.50 Hole: 71A Depth to Top of Core(m) : 555.00 Core: 3 Depth Top/Bottom Interval(mm): 00/1500 Sect: 1 Visual Text Description: LIMESTONE WITH CHERT INTERGROWTHS;C 5G8/1-LIGHT GREENISH GREY, 5GY6/1-GREENISH GREY;S CHERT WHISPS AT 5CM 20CM 61-63CM 88CM 92CM AND 97CM, THIN GREENISH GREY LENTICULAR MOTTLES POSSIBLY COMPRESSED BURROW MOTTLES, 105-107CM HAS CHERT INTERGROWTH,123-127CM AHS PECULIAR 3MM THICK WHITE LAMINAE WITH RIPPLE LIKE MARKINGS POSSIBLY SHEARS WITH ATTENDANT DRAGGING OF LAMINAE;H HARD;Z 12130000 Leg : 8 Depth Top/Bottom of Layer(m) : 556.50/ 557.82 Hole: 71A Depth to Top of Core(m) : 555.00 Core: 3 Depth Top/Bottom Interval(mm): 00/1320 Sect: 2 Visual Text Description: LIMESTONE;C 5GY7/1-GREENISH GREY,5Y8/1,5Y5/1-OLIVE GREY,5YR5/4-MODERATE YELLOWISH BROWN,5GY6/1-GREENISH GREY;S 0-54CM IS GREENISH GREY WITH THIN LENTICULAR LAMINAE OF LIGHTER AND DARKER COLOR,55-132CM IS 5Y8/1 AND GREENISH GREY WITH OLIVE GREY CHERT INTERGROWTHS AT 60CM 62CM 71-76CM AND 116-120CM,MODERATE YELLLOWISH BROWN INTERGROWTHS OF CHERT AT 71-76CM AND 116-120CM,WHISPS AND INTERGROWTHS OF OLIVE GREY CHERT AT 110-115CM;D FRAGMENTS UP TO 30CM LONG;H HARD;Z 12130000 |
Cite as: Deep Sea Drilling Project (1989): Archive of Core and Site/Hole Data and Photographs from the Deep Sea Drilling Project (DSDP). National Geophysical Data Center, NOAA. doi:10.7289/V54M92G2 [access date]
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