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Title A geological and geophysical setting of the gold-silver vein system of Unga Island, southwestern Alaska [electronic resource] / edited by James R. Riehle.

Imprint Menlo Park, CA : U.S. Geological Survey ; [Denver, CO ; USGS Information Services (Open-File Report Sales), 1999.

Copies

Location Call No. OPAC Message Status
 Axe Federal Documents Online  I 19.76:99-136    ---  Available
Series Open-file report ; 99-136
U.S. Geological Survey open-file report ; 99-136.
Note Title from title screen.
Form Mode of access via the USGS web site.
Note Version history: 1.0, online, June 12, 1999. Version 1.1 -- 1.3, June 21 -- Sept. 1999, added online enhancements. CD added Sept. 1999.
Summary Core of publication is new geologic map at scale of 1:63,360 and aeromagnetic and electromagnetic survey data acquired by industry over area of mineralization. Goal is deciphering the relations among volcanism, tectonism, and mineralization.
Subject Gold ores -- Geology -- Alaska -- Unga Island.
Silver ores -- Alaska -- Unga Island -- Geology.
Geology -- Alaska -- Unga Island -- Maps.
Magnetic prospecting -- Alaska -- Unga Island.
Added Author Riehle, J. R.
Geological Survey (U.S.)
ISBN 0607926546
Gpo Item No. 0624-H (online)
Sudoc No. I 19.76:99-136

 
    
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