Leg : 59 Top/Bottom Interval(mm): 0/ 210 Analyst: Hole: 451 Sample Midpoint (m) : 926.71 Core: 102 Top of Core Depth (m) : 926.50 Sect: CC Top of Section Depth(m): 926.60 LITHOLOGY: CPX SPARSELY TO MOD PHYRIC BASALT; Piece No. : PCE NO PCE NUMBERS; Texture : CPX SPARSELY TO MOD PHYRIC BOULDER IN VOLCANICLASTIC SEDIMENTARY BRECCIA, HYALOPILITIC GNDMASS; Structure : THIN VEINS (0.5MM) ARE FILLED WITH GREEN SMEC; Comments : SECONDARY MINERAL NEAR HYDROTHERMAL ALTERATION IS LIGHT GREENISH GREY IN COLOR (5G4/1), BASALT HOST BRECCIA CONTACT IS SHARP WITH BRECCIA AT THE BOTTOM OF CORE CATCHER; Alteration : ONE SIDE OF THE BOULDER IS HYDROTHERMALLY ALTERED; Vesicles : Size(mm): 2-3 Percent: 5-7 Location: Filling: SMEC Shape : SPHERICAL SOME PARTIALLY EMPTY; Phenocrysts: CLINOPYROXENE ( 1-3%) Size(mm): <0.5MM IRREGULAR ANHEDRAL GRAINS; Groundmass : GNDMASS IS HYALOPILITIC AND 50-60% XTLZED, SOME MAFIC MINERALS PRESENT; PLAGIOCLASE MICROLITES; GLASS Replacement: SMECTITE SECONDARY MINERAL GREENISH GREY FROM HYDROTHERMAL ALTERATION; |
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.
|