1.

Record Nr.

UNINA9910689722303321

Titolo

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

Pubbl/distr/stampa

Menlo Park, CA : , : U.S. Geological Survey

[Denver, CO] : , : USGS Information Services (Open-File Report Sales), , 1999

Edizione

[Version 1.3.]

Descrizione fisica

1 CD-ROM : color ; ; 4 3/4 in

Collana

Open-file report ; ; 99-136

Altri autori (Persone)

RiehleJ. R

Disciplina

553.4/09798

Soggetti

Gold ores - Geology - Alaska - Unga Island

Silver ores - Geology - Alaska - Unga Island

Geology - Alaska - Unga Island

Magnetic prospecting - Alaska - Unga Island

Maps.

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

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.

Sommario/riassunto

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.