Anomalous CH4 and NH4+ concentrations at an unsedimented mid-ocean-ridge hydrothermal system

A study discovered CH4 and NH4plus concentrations from the Endeavor segment of the Juan de Fuca Ridge that are many times greater than those measured previously at any unsedimented mid-ocean ridge. The data illustrate that the organic geochemistry of unsedimented ridges may be more complex than had...

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Veröffentlicht in:	Nature (London) 1993-07, Vol.364 (6432), p.45-47
Hauptverfasser:	LILLEY, M. D, BUTTERFIELD, D. A, OLSON, E. J, LUPTON, J. E, MACKO, S. A, MCDUFF, R. E
Format:	Artikel
Sprache:	eng
Schlagworte:	Crystalline rocks Earth sciences Earth, ocean, space Exact sciences and technology Geochemistry Geology Igneous and metamorphic rocks petrology, volcanic processes, magmas Isotope geochemistry Isotope geochemistry. Geochronology Methane Oceanography Organic chemistry
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Beschreibung
Zusammenfassung:	A study discovered CH4 and NH4plus concentrations from the Endeavor segment of the Juan de Fuca Ridge that are many times greater than those measured previously at any unsedimented mid-ocean ridge. The data illustrate that the organic geochemistry of unsedimented ridges may be more complex than had been suspected.
ISSN:	0028-0836 1476-4687
DOI:	10.1038/364045a0