Blacktail district

Location: Montana, United States (44.956, -112.316 approx.)

Commodities: copper; gold; graphite; silver

Recorded production

• Blacktail district: produced 14.0 troy ounces of gold (Au), 1923–1937. Reported in terms of recoverable metal (Geach (1972), Page 152, Table 19 — Geach, R.D., 1972, Mines and mineral deposits (except fuels) Beaverhead County, Montana: Montana Bureau of Mines and Geology Bulletin 85, 194 p., http://www.mbmg.mtech.edu/mbmgcat/public/ListCitation.asp?pub_id=10086&.)
• Blacktail district: produced 3.0 metric tons of copper (Cu), 1923–1937. Reported in terms of recoverable metal (Geach (1972), Page 152, Table 19 — Geach, R.D., 1972, Mines and mineral deposits (except fuels) Beaverhead County, Montana: Montana Bureau of Mines and Geology Bulletin 85, 194 p., http://www.mbmg.mtech.edu/mbmgcat/public/ListCitation.asp?pub_id=10086&.)
• Blacktail district: produced 8,255 troy ounces of silver (Ag), 1923–1937. Reported in terms of recoverable metal (Geach (1972), Page 152, Table 19 — Geach, R.D., 1972, Mines and mineral deposits (except fuels) Beaverhead County, Montana: Montana Bureau of Mines and Geology Bulletin 85, 194 p., http://www.mbmg.mtech.edu/mbmgcat/public/ListCitation.asp?pub_id=10086&.)

Exploration and site history

• Discovery — District discovery considered 1899 when the Crystal Graphite deposit was discovered then developed into the Crystal Graphite mine, 1899 (Cameron and Weis (1960))

Record imported from USGS USMIN ver. 4.0 (June 2019). Developments after that date appear on facility records, not here; see the methodology.