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White Oak Mine (White Oak property; White Oaks Mine; Walker Canyon; Old Clarke Mine; Old Clark Mine; Sunrise Mine; White Oak #1 adit), Walker Canyon, Big Steve - White Oak group, Pajarito District, Pajarito Mts, Santa Cruz Co., Arizona, USA

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Latitude & Longitude (WGS84): 31° 22' 23'' North , 111° 5' 0'' West
Latitude & Longitude (decimal): 31.3733333333, -111.083611111
Other regions containing this locality:Sonoran Desert, North America


A Ag-Pb-Au-Cu-Zn-U mine located in North-central (SE¼NW¼NE¼) sec. 2, T24S, R12E, 15 miles NW of Nogales, at the head of Walker Canyon, on National Forest land. Owned by W.H. Clarke.

Mineralization is irregular, narrow, shear zones containing spotty argentiferous, oxidized, lead mineralization, largely cerussite, pyrite, and minor copper, zinc, and gold, cutting Cretaceous quartz latite volcanics (rhyolite). The deposit is in a mineralized shear zone from which oxidized lead ore was mined. The shear zone strikes about N55E and dips from 70SE to vertical and averages 80SE. It extends for at least 1,500 feet across the property. It contains to as much as 3 feet of breccia and gouge in a zone of intense shearing near the middle. Mineralization fills fissures and partly replaces gouge and breccia. Spotty kasolite, uranophane, autunite and uranium-bearing pyromorphite have been recognized. Pyrite gossan.

Workings include the White Oak adit, the White Oak No. 1 adit, 4 smaller adits and several surface cuts and pits. The White Oak adit was almost continually stoped; the adit is blocked 350 feet from the portal. Worked for high-grade silver values prior to 1900 and sporadically from 1925 through 1958.

Mineral List


16 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Tortonian - Bartonian
7.246 - 41.3 Ma
Middle Miocene to Oligocene volcanic rocks

Age: Cenozoic (7.246 - 41.3 Ma)

Stratigraphic Name: Peach Springs Tuff; Apache Leap Tuff

Description: Lava, tuff, fine-grained intrusive rock, and diverse pyroclastic rocks. These compositionally variable volcanic rocks include basalt, andesite, dacite, and rhyolite. Thick felsic volcanic sequences form prominent cliffs and range fronts in the Black (Mohave County), Superstition, Kofa, Eagletail, Galiuro, and Chiricahua Mountains. This unit includes regionally extensive ash-flow tuffs, such as the Peach Springs tuff of northwestern Arizona and the Apache Leap tuff east of Phoenix. Most volcanic rocks are 20-30 Ma in southeastern Arizona and 15 to 25 Ma in central and western Arizona, but this unit includes some late Eocene rocks near the New Mexico border in east-central Arizona. (11-38 Ma)

Lithology: Major:{basalt,andesite,dacite}, Minor:{rhyolite}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



This page 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

US Atomic Energy Commission Preliminary Reconnaissance Report D-441 (1952) & A-R-2 (1953).

Granger, H.C. & R.B. Raup (1962), Reconnaisance Study of Uranium Deposits in Arizona, USGS Bulletin 1147-A: 42-44.

Nelson, F.J. (1963) The geology of the Pena Blanca and Walker Canyon areas, Santa Cruz County, Arizona: Tucson, University of Arizona, M.S. thesis, 82 p.

Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 72 (Table 4).

Riggs, N.R. (1985) Stratigraphy, structure, and mineralization of the Pajarito Mountains, Santa Cruz County, Arizona: Tucson, University of Arizona, M.S. thesis, 102 p., 3 sheets, scale 1:12,000: 165-166.

Wenrich, Karen J., et al (1989), Uranium in Arizona, in: Geologic evolution of Arizona, J.P. Penney and S.J. Reynolds, editors, Arizona Geological Society Digest 17, Tucson: 759-794.

U.S. Bureau of Mines staff (1994) U.S. Bureau of Mines Open File Report
MLA XX-94: A109-110.

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 209, 266, 408.

Arizona Bureau of Mines file data.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10109796, MRDS ID #M241355; and #10259327.

U.S. Bureau of Mines, Minerals Availability System (MAS) file #0040230405.

 
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