Location: | Cascade County, Montana, United States, North America |
Lat / long: | 46.93797, -110.7289 |
dep_id: | 10105721 |
mrds_id: | W014701 |
Commodity type: | metallic |
Major mineral: | Lead, Zinc, Silver |
Minor mineral: | Gold, Copper |
Operation type: | Unknown |
Production size: | Production occurred |
Development status: | Past Producer |
ore: | Cerargyrite, Proustite, Pyrargyrite, Silver, Sphalerite |
gangue: | Barite |
orebody_fm: | SHOOTS |
work_type: | Underground |
alteration: | Sericitization, Kaolinization. Considerable Oxidation Of Ore To A Depth Of About 200 Ft. |
conc_proc: | Supergene Enrichment |
ore_ctrl: | Main Vein Occupies Well-Define Fissure. Moulton Fault To South May Have Been Ore Control. |
Reporter: | Krohn, Douglas H. |
hrock_unit: | Belt, Neihart Quartzite;Gneiss And Schist |
hrock_type: | Gneiss |
arock_unit: | Snow Creek Porphyry-Pluton And Dikes Of Rhyolite Porphyry;Pinto Diorite-Large Phenocrysts Of Feldspar & Hornblende |
arock_type: | Diorite,Rhyolite |
Structure: | Zone Of Igneous Intrusions Covering Over 800 Square Km., Moulton Fault, Northeast-Trending Fractures, Domal Uplift Caused By Intrusion Of Snow Creek Porphyry |
tectonic: | Rocky Mountain Foreland |
Year first produced: | 1901 |
disc_yr: | 1883 |
discr: | Thomas Angers, Et. Al. |
References: |
- Deposit:: KLEINKOPF, M. D., AND OTHERS, 1972, AEROMAGNETIC, BOUGUER GRAVITY, AND GENERALIZED GEOLOGIC MAPS OF THE CENTRAL PART OF THE LITTLE BELT MOUNTAINS: U.S. GEOLOGICAL SURVEY MAP GP-837.
- Deposit:: ROBERTSON, A. F., 1951, MINES AND MINERAL DEPOSITS (EXCEPT FUELS), CASCADE COUNTY, MONT.: U.S. BUREAU OF MINES INF. CIRC. 7589, 76 P.
- Deposit:: SCHAFER P. A., 1935, GEOLOGY AND ORE DEPOSITS OF THE NEIHART MINING DISTRICT, CASCADE COUNTY, MONTANA: MONT. BUREAU OF MINES GEOL. MEM 13, 62 P.
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