Manganese nodule
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Manganese nodules, also called polymetallic nodules, are mineral concretions on the sea bottom formed of concentric layers of iron and manganese hydroxides around a core. As nodules can be found in va
Manganese nodule
Nodules on the seabed
Manganese nodules from the South Pacific Ocean
Polymetallic nodules
Glomar Explorer
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GSF Explorer, formerly USNS Hughes Glomar Explorer, was a deep-sea drillship platform built for Project Azorian, the secret 1974 effort by the Central Intelligence Agency's Special Activities Division
Manganese nodule
…Deep sea mining – Mineral extraction from the ocean floor Glomar Explorer – Deep-sea drillship platform used by the CIA to recover sunken Soviet submarine International Seabed Authority – Intergovernmental body to regulate…
USNS Glomar Explorer
Glomar Explorer mothballed in Suisun Bay, California in June 1993