Galapagos Hydrothermal Mounds : Stratigraphy and Chemistry Revealed by Deep-Sea Drilling

Natland, James h.; Rosendhal, Bruce; Hekinian, Roger; Dmitriev, Yuri; Fodor, Ronald v.; Goll, Robert m.; Hoffert, Michel; Humphris, Susan e.; Mattey, David p.; Peterson, Nikolai; Roggenthen, William; Schrader, Edward l.; Srivasiava, Ramesh k.; Warren, Nick

Galapagos Hydrothermal Mounds : Stratigraphy and Chemistry Revealed by Deep-Sea Drilling

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The Galapagos mounds sea-floor hydrothermal system is at least 300,000 years old and once produced manganese-poor sediments, which nearly blanketed the area of the present mounds field. Present-day mound deposits are limited manganese-rich exposures, suggesting that the system has changed from rock- to water-dominated and has diminished in intensity with time. [NOT CONTROLLED OCR]

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Natland James H., Rosendhal Bruce, Hekinian Roger, Dmitriev Yuri, Fodor Ronald V., Goll Robert M., Hoffert Michel, Humphris Susan E., Mattey David P., Peterson Nikolai, Roggenthen William, Schrader Edward L., Srivasiava Ramesh K., Warren Nick (1979). Galapagos Hydrothermal Mounds : Stratigraphy and Chemistry Revealed by Deep-Sea Drilling. Science. 204 (4393). 613-616. https://archimer.ifremer.fr/doc/00000/5382/

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