Description
Ranchers From Silver City, New Mexico
Commodities
PrimaryGold
Commodity typeM
Deposit
Deposit sizeS
Ore controlPlacer Gold Is Commonly Found Along The Porphyry - Sediment Contact And Occurs Free In Stream Gravel Deposits
Materials
Ore mineralsGold
GangueEpidote, Garnet, Limonite, Magnetite
Geology
Host rockGravel · Pinkard Formation;Longfellow Limestone
Associated rockDiorite · Morenci Granite Porphyry
StructureIrregular Deposits Of Gold Are Contained In Limonite Along Ne-Trending Fissure Veins In Diorite Porphyry Or Between Porphyry And Limestone Masses, Gold Is Concentrated In A Number Of Sand Bars Along The Lower Course Of Gold Gulch And Along Pinkard Gulch
Tectonic settingGold Gulch Fault Block; Precipitous Gully Terrain
AlterationSurface Oxidation Of Narrow And Irregular Gold-Bearing Veins Along Both Sides Of Pinkard Gulch And The Lower Part Of Gold Gulch
Economic & production
Development statusProducer
Last production1905
Discovery year1870
Identification
Deposit ID10108993
MRDS IDM001263
RegionNA
Data scoreB
Coordinates33.06121, -109.40926
References
JOHNSON, M.G., 1972 , PLACER GOLD DEPOSITS OF ARIZONA: U.S.G.S. BULLETIN 1355 , P. 15USGS PROF PAPER 43 (1905) P. 211-212, 292-298WILSON, CUNNINGHAM, AND BUTLER, 1967, ARIZ BUREAU OF MINES BULL 137, P. 185BENNETT, 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE COUNTY, ARIZONA: M.S. THESIS UNIVERSITY OF ARIZONA, 153 P.