Mine detail: Dernan Property

Previously called 'Reilly MineNBMG Sample Site 2613'

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Location

Lat / long:

41.17489, -117.25096

Resource(B)

Primary:	Tungsten
Secondary:	Iron, Manganese
Tertiary:	Copper, Molybdenum, Gold, Zinc, Lead, Barium-Barite, Beryllium, Bismuth, Cobalt, Nickel, Titanium, Metal
Ore:	Chalcopyrite, Galena, Molybdenite, Pyrite, Scheelite, Sphalerite
Gangue:	Garnet, Pyroxene, Wollastonite
Orebody form:	TABULAR, ALONG IGNEOUS CONTACT
Discovery year:	1915

Production

Operation type:	Unknown
Deposit type:	Contact Metamorphic
Production size:	Medium
Development status:	Past Producer
First production started:	1942

Geology

Host rock:	Preble Formation;Preble Formation;Preble Formation;Osgood Mountains Stock
Host type:	Limestone
Structure:	Getchell Fault Cuts S. End Of Ore Body, Fault Along Front Of Range

References

MRDS	M030031
DEP	10037016
Reference	{Deposit:: WILLDEN, R, 1964, GEOLOGY AND MINERAL DEPOSITS OF HUMBOLDT CO., NEV; NEV. BUREAU OF MINES BULL. 59.}{Deposit:: HOTZ, P.E., AND WILLDEN, R., 1964, GEOLOGY AND MINERAL DEPOSITS OF THE OSGOOD MOUNTAINS QUAD. HUMBOLDT CO., NEV; U.S.G.S. PROF. PAPER 431.}{Deposit:: HOBBS, SW. AND CLABAUGH, S.E., 1946, TUNGSTEN DEPOSITS OF THE OSGOOD RANGE, HUMBOLDT COUNTY, NEV. UNIV. NEV. BULL. V. 40, NO. 5; GEOL & MIN. SER. NO. 44}{Deposit:: HOLMES, G.H., 1946, EXPLORATION OF THE RILEY TUNGSTEN MINE, HUMBOLDT CO., NEVADA; U.S.B.M. REPT INV. 3945}{Deposit:: STAGER, H. K., IN PREPARATION, NBMG BULLETIN ON TUNGSTEN DEPOSITS OF NEVADA}{Deposit:: TINGLEY, J. V., 6 SEP 84, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS.}{Deposit:: NBMG MINING DISTRICT FILE 136, ITEM 26, 1963, USBM UNPUBLISHED DATA.}{Deposit:: SCHILLING, JOHN, 1968, MOLYBDENUM RESOURCES OF NEVADA; NBMG OFR 79-3}{Production:: HOTZ, P.E., WILLDEN, R., 1964; STAGER, IN PREP.}
Reporter	Theodore, Ted G., La Pointe, D.D. (Tingley, J.V.)