Mineral, chemical and isotopic compositions of altered rocks at ODP Sites 193-1188 and 193-1189, supplement to: Lackschewitz, Klas Sven; Devey, Colin W; Stoffers, Peter; Botz, Reiner; Eisenhauer, Anton; Kummetz, M; Schmidt, Mark; Singer, A (2004): Mineralogical, geochemical and isotopic characteristics of hydrothermal alteration processes in the active, submarine, felsic-hosted PACMANUS field, Manus Basin, Papua New Guinea. Geochimica et Cosmochimica Acta, 68(21), 4405-4427

Klas Sven Lackschewitz, Colin W Devey, Peter Stoffers, Reiner Botz, Anton Eisenhauer, M Kummetz, Mark Schmidt & A Singer
During ODP Leg 193, 4 sites were drilled in the active PACMANUS hydrothermal field on the crest of the felsic Pual Ridge to examine the vertical and lateral variations in mineralization and alteration patterns. We present new data on clay mineral assemblages, clay and whole rock chemistry and clay mineral strontium and oxygen isotopic compositions of altered rocks from a site of diffuse low-temperature venting (Snowcap, Site 1188) and a site of high-temperature venting (Roman...
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