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Drilling the Snake Pit hydrothermal sulfide deposit on the Mid-Atlantic Ridge, lat 23/sup 0/22'N

Journal Article · · Geology; (United States)
OSTI ID:5749156
; ; ; ; ; ; ; ; ; ; ; ;
A major high-temperature hydrothermal area has been discovered in the Mid-Atlantic Ridge rift valley about 25 km south of the Kane Fracture Zone. The vent field consists of a wide area (> 40,000 m/sup 2/) of dark hydrothermal deposits, numerous sulfide chimneys and mounds, some up to 11 m high, and high-temperature black-smoker vents. Ten shallow holes, the first ever drilled in an active submarine hydrothermal area, recovered friable, unconsolidated Fe, Cu-Fe, and Zn sulfides and several large fragments of massive sulfide (mainly chalcopyrite) from the locally thick (> 13 m) hydrothermal deposits. The vents are also associated with an unusual biological community of smaller, more mobile organisms than reported from the East Pacific Rise.
Research Organization:
Univ. of Rhode Island, Kingston
OSTI ID:
5749156
Journal Information:
Geology; (United States), Journal Name: Geology; (United States) Vol. 14:12; ISSN GLGYB
Country of Publication:
United States
Language:
English

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Related Subjects

15 GEOTHERMAL ENERGY
150303* -- Geothermal Exploration & Exploration Technology-- Exploratory Drilling & Well Logging
CAMERAS
CHALCOGENIDES
CHALCOPYRITE
COPPER COMPOUNDS
COPPER SULFIDES
DRILL CORES
DRILLING
ENERGY SYSTEMS
EXPLORATORY WELLS
GEOTHERMAL SYSTEMS
HYDROTHERMAL SYSTEMS
INORGANIC PHOSPHORS
IRON COMPOUNDS
IRON SULFIDES
MID-ATLANTIC RIDGE
MINERALS
PHOSPHORS
SULFIDE MINERALS
SULFIDES
SULFUR COMPOUNDS
SURVEYS
TECTONICS
TELEVISION CAMERAS
TRANSITION ELEMENT COMPOUNDS
WELL DRILLING
WELLS
ZINC COMPOUNDS
ZINC SULFIDES