Malahoff, Alexander; McMurtry, Gary M; Wiltshire, John C; Yeh, Hsueh-Wen (1982): Geochemistry of Loihi Seamount hydrothermal deposits. PANGAEA, https://doi.org/10.1594/PANGAEA.770296, Supplement to: Malahoff, A et al. (1982): Geology and chemistry of hydrothermal deposits from active submarine volcano Loihi, Hawaii. Nature, 298(5871), 234-239, https://doi.org/10.1038/298234a0
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High-resolution bathymetric surveys, bottom photography and sample analyses show that Loihi Seamount at the southernmost extent of the Hawaiian ëhotspotí is an active, young submarine volcano that is probably the site of an emerging Hawaiian island. Hydrothermal deposits sampled from the active summit rift system were probably formed by precipitation from cooling vent fluids or during cooling and oxidation of high-temperature polymetallic sulphide assemblages. No exotic benthic fauna were found to be associated with the presently active hydrothermal vents mapped.
Median Latitude: 14.031953 * Median Longitude: -136.832723 * South-bound Latitude: 0.588800 * West-bound Longitude: -155.270000 * North-bound Latitude: 18.920000 * East-bound Longitude: -86.130200
Date/Time Start: 1977-05-23T00:00:00 * Date/Time End: 1977-05-23T00:00:00
54-424A * Latitude: 0.588800 * Longitude: -86.130200 * Date/Time: 1977-05-23T00:00:00 * Elevation: -2708.0 m * Penetration: 34 m * Recovery: 13.8 m * Location: North Pacific/MOUND * Campaign: Leg54 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 4 cores; 34 m cored; 0 m drilled; 40.5 % recovery
54-424B * Latitude: 0.597000 * Longitude: -86.130300 * Date/Time: 1977-05-23T00:00:00 * Elevation: -2705.0 m * Penetration: 46.5 m * Recovery: 30.3 m * Location: North Pacific/MOUND * Campaign: Leg54 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 6 cores; 46.5 m cored; 0 m drilled; 65.1 % recovery