A geological and geophysical setting of the gold-silver vein system of Unga Island, southwestern Alaska

Publication/Creation:: Menlo Park, CA : U.S. Geological Survey ; [Denver, CO] : [USGS Information Services (Open-File Report Sales)], [1999]
Resource Type:: Book
Edition:: Version 1.3.

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Full Title:: A geological and geophysical setting of the gold-silver vein system of Unga Island, southwestern Alaska / edited by James R. Riehle
Series Titles:: Open-file report ; 99-136
U.S. Geological Survey open-file report ; 99-136.

Variant Titles:: Title on container insert: Geological and geophysical study of the gold-silver vein system of Unga Island, southwestern Alaska
Title on spine of container: Gold-silver vein systems, Unga Island, southwestern Alaska

Subjects:: Gold ores--Geology--Alaska--Unga Island
Silver ores--Geology--Alaska--Unga Island
Geology--Alaska--Unga Island--Maps
Magnetic prospecting--Alaska--Unga Island

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.
Language:: English
Physical Type/Description:: 1 CD-ROM : color ; 4 3/4 in.
Technical Note:: System requirements, Windows: 80386 or higher processor (Pentium recommended); Microsoft Windows 3.1 or higher (Windows 95, 98 or NT recommended); 8 mb RAM (64 MB recommended); VGA color monitor with 256 colors (16.7 million colors recommended); Adobe Acrobat Reader 3.0 or higher (included on disc) or other software that can translate PDF files; CD-ROM drive.
General Note:: Title from title screen.
Shipping list no.: 2000-0010-E.
Version history: 1.0, online, June 12, 1999. Version 1.1 -- 1.3, June 21 -- Sept. 1999, added online enhancements. CD added Sept. 1999.
Additional Physical Form:: Also available via Internet at the USGS Web site. Address as of 10/05/04: http://wrgis.wr.usgs.gov/open-file/of99-136; current access available via PURL.