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Published 1983 | Published
Report Open

Ordovician-Silurian volcanogenic massive sulfide deposits on the southern Prince of Wales Island and the barrier islands, southeastern Alaska


Several pyritic massive sulfide deposits have been recognized in an Ordovician-Silurian volcano-plutonic complex in the southern Prince of Wales Island region (Fig. 1). These deposits have been studied as part of a U.S. Geological Survey-California Institute of Technology investigation into the geologic and mineralization history of southern Prince of Wales Island (south of 55° North Latitude; Fig. 1). This report describes the geologic setting of the deposits and presents preliminary chemical analyses of the mineralization.

Additional Information

© 1983 USGS. We thank Jim Hoffman and Stephen Sutley of the U.S.G.S. for quickly completing the chemical analyses of these samples.

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Published - 83-318.pdf


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August 22, 2023
January 13, 2024