Physical Properties of Sediment Collected during India's National Gas Hydrate Program NGHP-02 Expedition in the Krishna-Godavari Basin Offshore Eastern India, 2015

Online link https://cmgds.marine.usgs.gov/catalog/whcmsc/SB_data_release/DR_P97RL4X4/NGHP02_GrainSize_Metadata.faq.html
Description During the spring and summer of 2015, the U.S. Geological Survey participated in India’s National Gas Hydrate Program NGHP-02 expedition in the Krishna-Godavari Basin offshore eastern India. The expedition included conventional and pressure coring of sediment, samples of which were transferred to the U.S. Geological Survey in Woods Hole, MA for post-cruise testing. This data release contains measurement results for physical properties measured on recovered core material, including measurements on gas-hydrate-bearing sediment preserved in pressure cores, and physical properties of gas hydrate-free sediment recovered from conventional cores. This work is part of an international NGHP-02 collaboration culminating in a comprehensive collection of publications in a special volume of the journal Marine and Petroleum Geology. [More]
Originators Waite, William F.; Jang, Junbong; Collett, Timothy S.; and Kumar, Pushpendra
Field activities 2015-023-FA

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Image showing grain size distribution (A) and clay content (B) for NGHP-02 Site 05 sediment specimens.  Gas hydrate occurs primarily in the low clay-content sediment (1-4R), not the coarsest sediment (e.g. 1I, 3I).
Image showing grain size distribution (A) and clay content (B) for NGHP-02 Site 05 sediment specimens. Gas hydrate occurs primarily in the low clay-content sediment (1-4R), not the coarsest sediment (e.g. 1I, 3I).