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Aravaipa District, Graham Co., Arizona, USA
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This is a lead-zinc mining area in T5-7S, R.19-21E, in the western part of Graham County, south of Stanley Butte.

Prospecting and development in the Aravaipa District began in the late 1870's. Development was desultory and on a small scale throughout its history. In 1878, a small smelter was erected near the Aravaipa claims, and a nominal tonnage of ore was smelted. Perhaps the best-organized and best-financed attempt to operate the property was begun in 1926 by the Aravaipa Mining Corp. Exploration and development of four widely separated occurrences of Pb-Zn ore carrying some values in silver was undertaken. All work ceased by the end of 1927 and the property remained idle until 1942 when small-scale exploratory work commenced.

Rocks exposed in the district range in age from Precambrian to Quaternary. Stratigraphically, in ascending order, they consist of schist, quartzite, limestone, and a series of conglomerate, arkosic sandstone, and shale interbedded with volcanic rocks. The limestone, Paleozoic in age, and older rocks have been intruded by rhyolite and andesitic and basaltic porphyries. These intrusives occur as irregular masses, sills, and dikes. Part of the area is covered by loosely consolidated gravel, sand, and silt, which locally is mantled by alluvium.

The Precambrian schist of granular quartz and sericite occurs as steeply dipping laminae. Its character is attributed to igneous intrusion and intense deformation.. Regional compression, during the next period of great deformation, occurred in late Cretaceous to early Tertiary time. This resulted in folding and thrust-faulting of the formations and ended with igneous intrusion followed by steep-angle faulting.

Mineralization involves oxidized ores replacing Paleozoic limestones. The principal types of deposits on the Aravaipa claims are: 1)Veins associatedwith thrust-fault zones, as exemplified by the Head Center and Iron Cap deposits; 2) veins in steeply dipping fissures, as on the Arizona and Panama claims; and, 3) irregular replacements havinf some of the characteristics of contact metamorphic occurrences, as on the No. 1 and No. 2 claims, and, perhaps, in parts of the Arizona shaft workings.

Although lead and zinc are the principal metals in the ore deposits, some copper, slver, and gold are present. Primary ore minerals common to all three types of deposits are sphalerite, galena, chalcopyrite, and pyrite. They are believed to have been deposited from hydrothermal solutions that ascended from a buried monzonitic magma. Microscopic examination of sulfide ore shows much of the sphalerite to be encased with, and contains, stringers of chalcocite and covellite. Oxidized lead and zinc inerals occur as cerussite and smithsonite.

Additional claims owned by the Athletic Mining Co. circa 1940's, but not otherwise entered into this database due to a lack of documented mineralization, include the: Idaho, Montana, Washington, Oregon, Ironton, Ionia, Ramon Coro, Babcock, Tolman, La Sorilla, Triangle, Extension, Mammoth Chief, Silver Bell, Johnny Walker, Livingston, Keedy, Connection, Stanley, Thanksgiving, Babe Ruth, David, Jose Cuervo, Box Canyon, Curtis, Norton, Colon, Bimbo, Nina, No. 16, Fairbanks, Cows Head, Sand Carbonate, Dawes, Kansas, Arkansas, Tennessee, Kentucky, Missouri, Forrest, Bullis, and the Group

Mineral List

Mineral list contains entries from the region specified including sub-localities
Acanthite
Actinolite
Andradite
Anglesite
Ankerite
Antlerite
Aragonite
Aravaipaite (TL)
Artroeite (TL)
Autunite
'Axinite Group'
Axinite-(Mn)
Azurite
Babingtonite
Baryte
Beaverite-(Cu)
Beryl
Bianchite
'Biotite'
Bonattite
Braunite
Brochantite
Bromargyrite
Calcioaravaipaite (TL)
Calcite
Caledonite
Cannizzarite
Cerussite
Chalcanthite
Chalcocite
Chalcopyrite
Chlorargyrite
'Chlorite Group'
Chrysocolla
'Clay'
Clinochrysotile
'Clinoptilolite'
'Copper Stain'
Cosalite
Covellite
Creedite
Cuprite
Descloizite
Devilline
Diopside
Epidote
Fluorite
Galena
'Garnet'
Gearksutite
Goethite
Gold
Goslarite
Grandreefite (TL)
Grunerite
Gypsum
Hedenbergite
var: Manganoan Hedenbergite
Hematite
var: Specularite
Hopeite
Hydrocerussite
Ilvaite
Johannsenite
Kutnohorite
Laurelite (TL)
Leadhillite
Linarite
Litharge
Magnetite
Malachite
Manganbabingtonite
Massicot
'Mica Group'
Mimetite
Minium
'Monazite'
Montmorillonite
Muscovite
var: Illite
Nekoite
Neotocite
Olivenite
Pinalite
Plumbogummite
Plumbojarosite
Polylithionite
Prosopite
Pseudograndreefite (TL)
'Psilomelane'
Pyrite
Pyrolusite
Pyromorphite
Quartz
var: Amethyst
var: Chalcedony
var: Fire Agate
Scheelite
Scotlandite
Shannonite (TL)
Silver
Smithsonite
Sphalerite
var: Cleiophane
Tenorite
Tetrahedrite
Thaumasite
'Tourmaline'
Uranophane
'Wad'
Wulfenite
Zircon
var: Cyrtolite



128 entries listed. 92 valid minerals. 7 type localities (valid minerals).

Localities in this Region

USA
USA

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Ross, C.P. (1925a), Geology and ore deposits of the Aravaipa and Stanley mining districts, Graham County, Arizona, USGS Bull. 763.

Tenney, J.B. (1928) Arizona Bureau of Mines Bull. 125 - Mineral Industries of Arizona: 92.

Denton, T.C. (1947b), Aravaipa lead-zinc deposits, Graham County, Arizona, U.S. Bureau of Mines Report of Investigation 4007.

Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, Arizona Bureau of Mines Bull. 156: 51-55;

Galbraith, F.W. & Brennan (1959), Minerals of Arizona: 31, 50, 58, 92, 94, 100.

Simons, F.S. (1964), Geology of the Klondyke quadrangle, Graham & Pinal Cos., AZ, USGS PP 461. Simons, F.S. & E. Munson (1963), Johannsenite from the Aravaipa mining district, AZ, American Mineralogist: 48: 1154-1158.

Wilson, W.E. (1988), The Iron Cap mine, Mineralogical Record: 19: 81-87.

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 101, 112, 158, 163, 166, 190, 215, 228, 235, 312, 377.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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