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Core data from the Ocean Drilling Program legs 101-129
leg : 104 section: 01 unit/subunit : 0003
hole: 0642D top int: 0 cm observer code: DU
core: 015X pieces : All
rock name: CONGLOMERATE, PARTLY OXIDIZED, SUBROUNDED TO ROUNDED PEBBLES
contact : see comments
***** MAIN COMMENTS *****
Pebbles are < 30 cm in size. Components: vesicular, fine-grained basalt,
aphyric, sparsely vesicular, phyric basalt; pale green coarse-grained
basalt, fine-grained basalt with chilled brown margin and pockets filled by
pale green tuff, carbonaceous tuff, light brown basaltic lapillistone;
quartzofeldspathic biotite gneiss; slate, biotite rich; pyrite rich, fine-
grained sediment. Unit S3.
***** PHENOCRYSTS *****
see comments
***** GROUNDMASS *****
see comments
***** COLOR *****
see comments
***** VESICLES *****
see comments
***** STRUCTURE *****
see comments
***** ALTERATION *****
see comments
***** VEINS/FRACTURES *****
see comments
leg : 104 section: 01 unit/subunit : 0004
hole: 0642D top int: 15 cm observer code: DU
core: 017X pieces : All
rock name: TUFF LAPILLI TUFF, AND LAPILLISTONE
contact : see comments
***** MAIN COMMENTS *****
Color is dark red to dark red brown, with basaltic scoria, red brown tuff,
brownish yellow pumice, feldspar, coarse-grained basalt. UnitS4.
***** PHENOCRYSTS *****
see comments
***** GROUNDMASS *****
see comments
***** COLOR *****
see comments
***** VESICLES *****
see comments
***** STRUCTURE *****
see comments
***** ALTERATION *****
see comments
***** VEINS/FRACTURES *****
see comments
leg : 104 section: 01 unit/subunit : 0004
hole: 0642D top int: 80 cm observer code: DU
core: 017X pieces : All
rock name: UNIDENTIFIED DRILLING RUBBLE
contact : see comments
***** MAIN COMMENTS *****
Unit S4.
***** PHENOCRYSTS *****
see comments
***** GROUNDMASS *****
see comments
***** COLOR *****
see comments
***** VESICLES *****
see comments
***** STRUCTURE *****
see comments
***** ALTERATION *****
see comments
***** VEINS/FRACTURES *****
see comments
leg : 104 section: 02 unit/subunit : 0005
hole: 0642D top int: 15 cm observer code: DU
core: 019N pieces : All
rock name: FINE-GRAINED BASALTIC VITRIC TUFF
contact : see comments
***** MAIN COMMENTS *****
Dark red brown to yellowish red brown fine-grained basaltic vitric tuff,
median clast size <0.1 mm, containing angular to round fragments. Few
subunits with gradational contacts, and horizontal bedding. Unit S5(?).
***** PHENOCRYSTS *****
see comments
***** GROUNDMASS *****
see comments
***** COLOR *****
see comments
***** VESICLES *****
see comments
***** STRUCTURE *****
see comments
***** ALTERATION *****
see comments
***** VEINS/FRACTURES *****
see comments
leg : 104 section: 02 unit/subunit : 0005
hole: 0642D top int: 130 cm observer code: DU
core: 019N pieces : All
rock name: UNIDENTIFIED DRILLING RUBBLE (PSEUDOTACHYLITE)
contact : see comments
***** MAIN COMMENTS *****
Drilling induced alteration. Unit S5(?)
***** PHENOCRYSTS *****
see comments
***** GROUNDMASS *****
see comments
***** COLOR *****
see comments
***** VESICLES *****
see comments
***** STRUCTURE *****
see comments
***** ALTERATION *****
see comments
***** VEINS/FRACTURES *****
see comments
introduction | data types | geographic areas | legs/sites/holes | sites/holes
These Web pages are from the Core Data from the Ocean Drilling Program Legs 101-129 CD-ROM produced in 2001 by the U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service, National Geophysical Data Center, and collocated World Data Center for Marine Geology and Geophysics, Boulder. Data were compiled in cooperation with the U.S. Science Support Program, the Joint Oceanographic Institutions, Inc., and the U.S. National Science Foundation. Please see the NGDC privacy, disclaimer, and copyright notices. Additional ocean drilling data are available from NGDC and from the ODP/IODP.
questions to: carla.j.moore@noaa.gov