National Technical Reports Library

The National Technical Information Service acquires, indexes, abstracts, and archives the largest collection of U.S. government-sponsored technical reports in existence. The NTRL offers online, free and open access to these authenticated government technical reports. Technical reports and documents in its repository may be available online for free either from the issuing federal agency, the U.S. Government Publishing Office’s Federal Digital System website, or through search engines.

Details

Juneau Gold Belt Area: 1986 Update.

PB88147996

Publication Date	1987
Personal Author	Redman, E.; Maas, K.; Clough, A.; Kurtak, J.
Page Count	44
Abstract	The report summarizes findings by the Bureau of Mines during the second year of the Juneau Mining District study. Fifty mines, prospects, and occurrences were examined, and 638 samples were collected for analysis. Metallurgical samples were collected from seven deposits, and preliminary tests of cyanide amenability have been completed for five of these. The simultaneous discovery by the Bureau and private industry of gold-bearing quartz veins cutting diorite gneiss recently exposed by the retreat of the Herbert Glacier is the most notable find in 1986, yielding gold values up to 7 oz/st.
Keywords	Mining research Metalliferous mineral deposits Gold Mineral deposits Reserves Beneficiation Economic analysis Exploration Alaska Mining engineering Juneau Mining District Study Bureau of Mines
Source Agency	Bureau of Mines
NTIS Subject Category	48A - Mineral Industries 48B - Natural Resource Management 70F - Public Administration & Government
Corporate Authors	Bureau of Mines, Anchorage, AK. Alaska Field Operations Center.
Document Type	Technical Report
Title Note	Open file rept.,
NTIS Issue Number	198810

Juneau Gold Belt Area: 1986 Update.

Juneau Gold Belt Area: 1986 Update.
PB88147996

Publication Date	1987
Personal Author	Redman, E.; Maas, K.; Clough, A.; Kurtak, J.
Page Count	44
Abstract	The report summarizes findings by the Bureau of Mines during the second year of the Juneau Mining District study. Fifty mines, prospects, and occurrences were examined, and 638 samples were collected for analysis. Metallurgical samples were collected from seven deposits, and preliminary tests of cyanide amenability have been completed for five of these. The simultaneous discovery by the Bureau and private industry of gold-bearing quartz veins cutting diorite gneiss recently exposed by the retreat of the Herbert Glacier is the most notable find in 1986, yielding gold values up to 7 oz/st.
Keywords	Mining research Metalliferous mineral deposits Gold Mineral deposits Reserves Beneficiation Economic analysis Exploration Alaska Mining engineering Juneau Mining District Study Bureau of Mines
Source Agency	Bureau of Mines
NTIS Subject Category	48A - Mineral Industries 48B - Natural Resource Management 70F - Public Administration & Government
Corporate Authors	Bureau of Mines, Anchorage, AK. Alaska Field Operations Center.
Document Type	Technical Report
Title Note	Open file rept.,
NTIS Issue Number	198810