Implications of celsian in the Ruby Mountains, Elko County, Nevada
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Abstract
The Ba-feldspar celsian [BaAl2Si2O8] has been found in quartz-skarn-sulfide deposits at the American Beauty and Summit View Mines in the Ruby Mountains, Nevada. The celsian is present in quartz-skarn-polymetallic sulfide ores formed during Jurassic and Tertiary phases of skarn formation. Well-shaped microcrystals of celsian, along with sulfide minerals and apatite, fill cavities in quartz and are related to a retrogressive hydrothermal mineral paragenesis that took place during a final stage of contact-metamorphic mineralization at temperatures of approximately 300°C. Prismatic crystals of celsian were subsequently fragmented and rounded during superposed ductile deformation of the enclosing quartz and became part of a Tertiary mylonitic fabric at the American Beauty Mine.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Implications of celsian in the Ruby Mountains, Elko County, Nevada |
| Year Published | 2000 |
| Language | English |
| Publisher | Geological Society of Nevada |
| Description | 23 p. |
| Larger Work Title | Geology and ore deposits 2000: The Great Basin and Beyond: Symposium proceedings |
| First page | 325 |
| Last page | 347 |
| Conference Title | Geology and ore deposits 2000: The Great Basin and beyond |
| Country | United States |
| State | Nevada |
| County | Elko County |
| Other Geospatial | Ruby Mountains |