Leg : 38 Top/Bottom Interval(mm): 350/1500 Analyst: Kharin, G. Hole: 348 Sample Midpoint (m) : 528.00 Core: 32 Top of Core Depth (m) : 522.00 Sect: 4 Top of Section Depth(m): 526.85 LITHOLOGY: APHYRIC BASALT; Piece No. : PCE NO PIECE NUMBERS ASSIGNED; Texture : APHYRIC, HOLOCRYSTALLINE, FINE-GRAINED, HOMOGENEOUS; Structure : SLICKENSIDE WITH BLACK CHLORITE & PYRITE AT 35-45CM, VEINS FILLED WITH PYRITE & CHLORITE & CALCITE; Comments : DARK GRAY (N3) TO GRAYISH BLACK (N2), CORE CATCHER IS THE SAME AS THIS SECTION BUT IS COMPOSED OF DRILL PEBBLES; Replacement: PYRITE CHLORITE CALCITE Leg : 38 Top/Bottom Interval(mm): 450/1500 Analyst: Kharin, G. Hole: 348 Sample Midpoint (m) : 533.00 Core: 33 Top of Core Depth (m) : 531.50 Sect: 1 Top of Section Depth(m): 531.95 LITHOLOGY: BASALT; Piece No. : PCE NO PIECE NUMBERS ASSIGNED, INTERVALS 45-110 & 120-150CM; Texture : HOLOCRYSTALLINE, FINE-GRAINED, HOMOGENEOUS, APHANITIC AND VERY FINE-GRAINED NEAR CONTACTS WITH MUDSTONE AT 95-110 & 120CM; Structure : RARE SLICKENSIDES AT 45-110CM, VEINS FILLED WITH CHLORITE & CALCITE--AT 120-150CM THE CHLORITE VEINS ARE 1-2MM THICK AND THE RARE CALCITE VEINS ARE 3-4MM THICK; Comments : MEDIUM DARK GRAY (N4) TO DARK GRAY (N3) WITH MORE BLACK ON LOWER PORTION OF INTERVAL 45-110CM; Replacement: PYRITE ABUNDANT IN INTERVAL 120-150CM; CHLORITE GREEN, IN VEINS; CALCITE IN VEINS; Leg : 38 Top/Bottom Interval(mm): 1100/1200 Analyst: Kharin, G. Hole: 348 Sample Midpoint (m) : 532.70 Core: 33 Top of Core Depth (m) : 531.50 Sect: 1 Top of Section Depth(m): 532.60 LITHOLOGY: SEDIMENT (MUDSTONE); Leg : 38 Top/Bottom Interval(mm): 0/1500 Analyst: Kharin, G. Hole: 348 Sample Midpoint (m) : 534.50 Core: 33 Top of Core Depth (m) : 531.50 Sect: 2 Top of Section Depth(m): 533.00 LITHOLOGY: BASALT; Piece No. : PCE NO PIECE NUMBERS ASSIGNED; Texture : HOLOCRYSTALLINE, HOMOGENEOUS, FINE-GRAINED ON TOP TO FINE TO MEDIUM-GRAINED BELOW; Structure : SLICKENSIDE AT 25-42CM, CALCITE-CHLORITE VEINS 6-10MM THICK AT 67-73 & 123-128CM, CALCITE VEINS AT 15-20CM; Comments : GRAYISH BLACK (N2) TO BLACK (N1); Replacement: PYRITE IN VEINS; CHLORITE IN VEINS, CHLORITIZATION; CALCITE LARGE (1CM) CRYSTALS OF COLORLESS & YELLOWISH CALCITE IN THE VEINS AT 67-73 & 123-128CM; Leg : 38 Top/Bottom Interval(mm): 950/1500 Analyst: Kharin, G. Hole: 348 Sample Midpoint (m) : 542.50 Core: 34 Top of Core Depth (m) : 541.00 Sect: 1 Top of Section Depth(m): 541.95 LITHOLOGY: BASALT; SAME LITHOLOGY AS CORE 33-3; Piece No. : PCE NO PIECE NUMBERS ASSIGNED; Texture : COARSER-GRAINED THAN CORE 33-3; Structure : RARE THIN BRANCHING BLACK CHLORITE VEINS 0.5-1MM THICK, SLICKENSIDES WITH BLACK CHLORITE ON WALLS; Replacement: CHLORITE Leg : 38 Top/Bottom Interval(mm): 0/1500 Analyst: Kharin, G. Hole: 348 Sample Midpoint (m) : 544.00 Core: 34 Top of Core Depth (m) : 541.00 Sect: 2 Top of Section Depth(m): 542.50 LITHOLOGY: BASALT; Piece No. : PCE NO PIECE NUMBERS ASSIGNED; Structure : AMYGDALOIDAL, PYRITE & CALCITE & CHLORITE VEINS BELOW 14CM--1-10MM THICK AND ABUNDANT AT 14-83CM; Comments : DARK GRAY (N5), INTERVAL 75-83CM IS MYLONITIZED; Vesicles : Size(mm): 0.5-2 Percent: 10-15 AMYGDULES AT 0-14CM; Size(mm): Percent: 3-5 AMYGDULES AT 14-75CM; Size(mm): 0.2-2 Percent: 10-15 Location: Filling: CHLORITE BLACK CHLORITE AMYGDULES BELOW 90CM; Size(mm): Percent: 10-15 Location: Filling: CALCITE WHITE CALCITE AMYGDULES AT 83-90CM; Groundmass : PLAGIOCLASE Size(mm): 3-4 PLAG LATH AT 0-14CM; PLAGIOCLASE Size(mm): 5-10 VERY THICK PLAG LATH AT 14-75CM; Replacement: CALCITE IN VEINS & AMYGDULES; PYRITE IN VEINS; CHLORITE IN VEINS & AMYGDULES; |
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]
Please see NOAA's privacy and disclaimer information. Send questions or comments to mgg.info@noaa.gov.
|