Description
R.V. Thurston And Joseph Hardy
Commodities
PrimaryManganese
TertiaryGypsum-Anhydrite
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formLENSES, STRINGERS
Ore controlManganese Deposits Are Contained In 2 Shear Zones Traversing Vesicular Basalt Flow
Materials
Ore mineralsPsilomelane, Pyrolusite
GangueCalcite, Gypsum, Limonite
Geology
Host rockRhyolite,Basalt
Associated rockVolcanic Rock (Aphanitic) · Tertiary Volcanic Flows
StructureSteep Northerly Trending Zones Of Shearing And Brecciation In Brownish Red Basalt Overlain By Light Pink Rhyolite, 2 Roughly Parallel Shear Zones Separated By Highly Altered Basalt Of Varying Thickness; Manganese Deposits Confined To Basalt
Tectonic settingSummit Of Peloncillo Mountains; Gentle Sloping Ridges Descending To Detritus-Filled Whitlock Valley
AlterationBasalt Is Extensively Decomposed And Is Altered In The Shear Zones To A Crunbly And Clayey Material; Cavitites And Vesicles Of Basalt Are Filled With A White Mineral Of Secondary Origin; Surface Oxidation To Unknown Depths
Economic & production
Development statusProducer
First production1917
Discovery year1917
Identification
Deposit ID10027134
MRDS IDM002203
Alternate namesBlack Butte Mine, Thurston and Hardy Mine, Godfrey Mine, Sanders Manganese Mine
RegionNA
Data scoreB
Coordinates32.78344, -109.25286
References
JONES, E.L. JR. AND RANSOME, F.L., 1920 , DEPOSITS OF MANGANESE ORE IN ARIZONA: U.S.G.S. BULLETIN 710-D, P. 130.WILSON, E.D. AND BUTLER, G.M., 1930 , MANGANESE ORE DEPOSITS IN ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 127 , P. 62.FARNHAM, L.L., STEWART, L.A., AND DELONG, C.W., 1961 , MANGANESE DEPOSITS OF EASTERN ARIZONA: U.S.B.M. INFORMATION CIRCULAR 7990 , P. 99.USBM FILES, DENTON CLAIMS.ARIZONA DEPT OF MINERAL RESOURCES FILE DATA; DENTON MINE (SANDERS; THURSTON AND HARDY); HARDY MINE, BLACK BUTTE MINE.ABGMT CLIPPINGS FILE; DENTON MANGANESE MINE, HARDY MINE, SANDERS MINE, THURSTON MANGANESE PROPERTY.U.S.G.S. BULLETIN 710-D; U.S.B.M. I.C. 7990