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Geochemistry of interstitial water of ODP Hole 131-808C
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Geochemistry of interstitial water of ODP Hole 131-808B
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Geochemistry of interstitial water of ODP Hole 131-808A
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(Table 1) Results of consolidaten tests for ODP Hole 131-808C and DSDP Hole 8...
Uniaxial reconsolidation tests were conducted on samples from four whole-round cores of similar hemipelagic silty mudstones from the Shikoku Basin sequence recovered at DSDP... -
Geochemistry of ODP Site 131-808 muds and mudstones
The principal aims of undertaking a shore-based bulk inorganic geochemical analysis of muds and mudstones from Site 808 were as follows:1. Characterize the geochemical signature... -
Geochemical and isotopic composition of pore fluids of ODP Hole 131-808C
At the Western Nankai Trough subduction zone at ODP Site 808, chemical concentration and isotopic ratio depth profiles of D, O, Sr, and He do not support fluid flow along the... -
Organic matter in sediments of ODP Site 131-808
Microscopic studies reveal a predominance of terrestrial organic matter in sediments of Site 808. Terrestrial vitrinite and inertinite are more abundant (73% to 100%) than... -
In-situ stress conditions at ODP Site 131-808
Shipboard laboratory index property data, shore-based consolidation tests, and in-situ stress and pore-pressure measurements are used in this study to constrain the stress... -
Stress tests of ODP Site 131-808 sediments
Sediments undergoing accretion in trench-forearc systems are subjected to conditions of large lateral thrusting. This stress regime controls the mechanism of faulting as well as... -
Geochemistry of basement basaltic rocks of ODP Hole 131-808C
Major- and trace-element analyses, mineral chemistry, and Sr-Nd isotopic determinations were obtained on representative igneous rocks drilled from the Nankai accretionary... -
Light hydrocarbons in gas pockets and sediments of ODP Site 131-808
A suite of gas samples obtained from gas pockets and sediments of the Nankai accretionary prism (Site 808) has been analyzed for their gas composition and carbon and hydrogen... -
Mineralogy and major-element chemistry of volcanic ash of ODP Site 131-808
Mineralogical and major-element compositions of 72 samples of volcanic ash, recovered from Site 808 at Nankai Trough during Leg 131, were analyzed in relation to the early... -
Texture analyses of ODP Site 131-808 sediments
The microfabric of 11 mudrock specimens from ODP Site 808 (Nankai accretionary prism) was quantitatively analyzed using X-ray texture goniometry and optical petrography. The... -
Clay mineralogy of ODP Site 131-808 sediments
Drill core recovered at Ocean Drilling Program Site 808 (Leg 131) proves that the wedge of trench sediment within the central region of the Nankai Trough comprises approximately... -
Calcareous nannofossils in ODP Hole 131-808C
ODP Leg 131 recovered nannofossil-bearing sediments from Site 808 in the Nankai Trough, western Pacific Ocean. Three holes were examined for nannofossils, 808A, 808B, and 808C.... -
Fluorescence of dissolved organic matter un marine sediments
The fluorescence of porewaters from marine sediment cores from six different areas was measured. In most cases, fluorescence was affected primarily by the diagenesis of organic... -
Stable chlorine isotopes in pore waters from DSDP Hole 79-546 and ODP Hole 13...
Stable Cl isotope ratios, measured in marine pore waters associated with the Barbados and Nankai subduction zones, extend significantly (to ~-8 per mil) the range of d37Cl... -
Cation exchange capacity and water content of ODP sites from Nankai
Pore fluid chlorinity lower than seawater is often observed in accretionary wedges and one of the possible causes of pore water freshening is the smectite to illite reaction.... -
P-wave velocity (PWS split-core system) on ODP Hole 131-808C
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P-wave velocity (PWS split-core system) on ODP Hole 131-808B
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