Commodities
PrimaryGold
SecondarySilver
TertiaryCopper, Lead
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
WorkingsUnderground
Orebody formTABULAR
Ore controlFaulting, Shearing, Igneous Activity
Materials
Ore mineralsChalcopyrite, Galena, Gold
GangueQuartz
Geology
Host rockDiorite,Andesite,Granite
Associated rockDiorite,Andesite,Granite
StructureFoliation In Precambrian Metamorphic Rocks Trends N10e To N25e; Granitic Rocks Unfoliated, Veins Parallel Mafic Dikes Which Trend Northeast And Dip At Low Angles, Usually Less Than 40 Degrees
AlterationMinor Sericite Along Vein Walls
Economic & production
Development statusPast Producer
First production1939
Last production1959
Identification
Deposit ID10088887
MRDS IDM800234
Alternate namesOld Tunnell, Last Chance
RegionNA
Data scoreB
Coordinates34.18088, -112.69353
References
BARTH, C.G., 1932, UNPUBLISHED GEOL MAP, AZ DEPT MIN. RESOURCES.AZ DEPT MIN. RESOURCES FILE DATA.USBM-ABGMT FILE DATAPHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.CIMRI