Alaska Science Center
Simplified geologic map of southern Prince of Wales Island and vicinity, showing locations of volcanogenic massive sulfide deposits and occurrences (from Slack and others, this volume). Geology from S.M. Karl and others (unpub. data, 2006). Deposits and occurrences: see Figure 1 for explanation.
Volcanogenic massive sulfide (VMS) deposits on Prince of Wales Island and vicinity in southeastern Alaska are associated with Late Proterozoic through Cambrian volcanosedimentary rocks of the Wales Group and with Ordovician through Early Silurian felsic volcanic rocks of the Moira Sound unit (new informal name). The massive sulfide deposits in the Wales Group include the Big Harbor, Copper City, Corbin, Keete Inlet, Khayyam, Ruby Tuesday, and Stumble-On deposits, and those in the Moira Sound unit include the Barrier Islands, Moira Copper, Niblack, and Nichols Bay deposits.
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Back to Studies by the U.S. Geological Survey in Alaska, 2005
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