Mica and beryl pegmatites in Idaho and Montana. : A description of mines and prospects examined in each district, some illustrated by maps and structure sections.
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| Main Author: | |
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. Govt. Print. Off,
1950.
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| Series: | Geological Survey professional paper ;
229. |
| Subjects: |
Table of Contents:
- Abstract
- Introduction
- Purpose of investigation
- Field work and acknowledgments
- Previous work
- History of mining
- Geologic features and origin of pegmatites
- Mineralogy and mica and beryl
- Mining, preparation, and uses of mica and beryl
- Mines and prospects in Idaho
- Distribution of known deposits
- Production and reserves
- Adams County
- Boise County
- Bonner County
- Boundary County
- Clearwater County
- Idaho County
- Latah County (Avon mica district)
- Lemhi County
- Valley County
- Mines and prospects in Montana
- Distribution of known deposits
- Production and reserves
- Mica in the Tabacco Root Mountains, Madison County
- Index.