Mine detail: Blair, T., Mine

Previously called 'Blair Mine'

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Location: Carroll County, Virginia, United States, North America
Lat / long: 36.74786, -80.8898
dep_id: 10079975
mrds_id: W030846
Commodity type: metallic
Major mineral: Copper
Trace mineral: Zinc, Lead, Iron, Pig Iron, Arsenic
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Chalcocite, Chalcopyrite, Covellite, Cubanite, Cuprite, Galena, Goethite, Malachite, Pyrrhotite, Sphalerite
gangue: Muscovite, Quartz
orebody_fm: POD/LENS
work_type: Surface/Underground
model: 91: Massive sulfide, Besshi (Japanese deposits)
alteration: Regional Metamorphism
conc_proc: Supergene Enrichment Of Copper Ores. Sulfides Emplaced Possibly As A Submarine Precipitate Resulting From Exhalations From A Volcanic Vent.
ore_ctrl: Lenticular Troughs
Reporter: Beaulieu, Harvey R. (Le Van, D. C.)
hrock_unit: Lynchburg Formation
hrock_type: Schist
Structure: Ne-Sw Trend, Blue Ridge Anticlinorium, Fries Overthrust, Gossan Lead Overthrust, Main Sulfide Zone Strikes N. 45 Deg E. And Dips 30-60 Deg Se.
tectonic: Orogen
Year first produced: 1857
dy_ba: <
disc_yr: 1861
References:
  • Deposit:: CURREY, R.O., 1859, A GEOLOGICAL VISIT TO THE VIRGINIA COPPER REGION: KNOXVILLE, TENN., BECKETT, HAWS AND CO.; REPRINTED IN PART UNDER COPPER AND IRON REGION OF THE FLOYD-CARROLL-GRAYSON PLATEAU OF THE BLUE RIDGE IN VIRGINIA, ETC.: THE VIRGINIAS, 1880 V. 1, P. 62-64, 69-71, 74-77, 80-81, 95.
  • Deposit:: KLINE, M.H., AND BALLARD, T.J., 1949, INVESTIGATION OF THE GREAT GOSSAN LEAD CARROLL COUNTY, VA.: U.S. BUREAU OF MINES REPORT OF INVESTIGATIONS 4532, 39 P.
  • Deposit:: WRIGHT, R.J., AND RAMAN, N.D., 1948, THE GOSSAN LEAD, CARROLL COUNTY, VIRGINIA: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT, 21 P.
  • Deposit:: 1857 DIREXPL YARNELL MINING CO.: OPENED MINE.
  • Deposit:: 1911 RECON W.H. WEED: BULLETIN 455.
  • Deposit:: 1935 RECON C.S. ROSS: PROF. PAPER 179.
  • Deposit:: 1939 GEOLMAP VA. GEOL. SURV.: BULL. 72.
  • Deposit:: 1948 RECON R.J. WRIGHT & N.D. RAMAN: OPEN-FILE REPORT
  • Production:: CURREY (1859)
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