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Salvador Mine (Salvadore Mine; San Salvador Mine), Hermosa group, American Peak, Harshaw District, Patagonia Mts, Santa Cruz Co., Arizona, USA

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Latitude & Longitude (WGS84): 31° 27' 11'' North , 110° 42' 51'' West
Latitude & Longitude (decimal): 31.45306,-110.71444
GeoHash:G#: 9t96btu5q
Other regions containing this locality:Sonoran Desert, North America
Locality type:Mine
Köppen climate type:BSk : Cold semi-arid (steppe) climate


A former small surface and underground Ag-Mn-Pb-Cu-Zn-Au-Sb occurrence/mine located on one patented claim in the center of sec. 4, and the NE¼ of sec. 9, T23S, R16E (protracted), ¼ mile S of the Hardshell Mine; ¼ mile NE of the Black Eagle Mine, 1½ miles SW of Harshaw, adjoining the Hermosa property on the west and situated in the east slope of the same ridge, on private (patented) land. Produced 1900-1944. Owned at times, or in part, by the Hermosa Mining Co., New York; Miller; Mr. L. Rochine; Mr. T. Farrell; and Mr. A.R. Byrd. Owned by Mr. Grover Marstellar and Otto Herald and Associates (1938). Operated by Mr. L.R. Brown (1944).

Mineralization is shear veins and replacement bodies of manganiferous silver ore in faulted, brecciated, silicified, and kaolinized limestone conglomerate and rhyolite in Jurassic-Triassic volcanics. Minor, mostly oxidized base metal sulfides and gold. The manganese replacement bodies occur in fracture zones. The other ores occur in subparallel shear vains cutting limestone blocks or along bedding planes of the limestone. Ore concentration was secondary enrichment along fracture zones. The ore bodies are separated by various sized bodies of lower grade material or by barren siliceous limestone. Associated rock units include the Chief Conglomerate, Breccia Member. Silver ore was mined from a vein located several 100 feet east of the Salvador manganese deposit. Limestone bedding planes containing ore bodies strike W and dip about 35N. Ore bodies range from small high grade bunches to average grade masses a few tens of feet in length and several feet in width. The Salvador vein is located almost on the projected course of the Hermosa vein, but is separated from it by a zone of upfaulted quartzite. Other local structures include the NW-trending American Fault. Limestone block covers a surface area 900 feet long and 200-300 feet wide, and is completely surrounded by volcanic rocks. Small amounts of manganese minerals are found in limetsone but the principal deposits crop out along the SW end of the limestone blcok. Cryptomelane and braunite are the chief hypogene minerals.

Tectonic features include the Corral Canyon Fault Block with downthrow to the SW.

Workings include a 200 foot tunnel; a 50 foot shaft; various drifts, crosscuts, and stopes; plus 2 50 foot adits; several shallow open cuts. Openings aggregate some 1,000 feet of work, including a 200 foot long tunnel, a 50 foot deep shaft, drifts, crosscuts and stopes. Some 1,000 tons of 30 oz. Ag/T ore was mined in the 1880's and 2,800 tons of 20 oz. Ag/T, with minor Pb, Cu, Zn and Au, and a high Mn content were shipped in 1936-1944. Manganese ore production is not known from this deposit; a few shipments of hand-sorted manganese ore may have been made during WW I. Early 1900's assay values averaged 30 oz/ton Ag; 19% Mn. 1941 values averaged 13.5% Mn, 0.12% Cu, 1.1% Pb, 1.3% Zn, 1.9% Fe, 67.4% Si, 10.7 oz/ton Ag.


Mineral List


11 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

Cretaceous
66 - 145 Ma



ID: 3187054
Mesozoic sedimentary rocks

Age: Cretaceous (66 - 145 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Tithonian - Bajocian
145 - 170.3 Ma



ID: 2798828
Jurassic sedimentary and volcanic rocks

Age: Jurassic (145 - 170.3 Ma)

Stratigraphic Name: Gardner Canyon Formation; Rudolfo Redbeds; Recreation Red Beds; Topawa Group; Harquar Formation

Description: Sandstone and conglomerate derived from volcanic rocks with associated intermediate-composition lava flows, breccias, and tuffs. In southern Arizona this unit includes rocks of the Artesa sequence, Pitoikam Formation, Mulberry Wash volcanics, Rudolfo Red Beds, Recreation Red Beds, and Gardner Canyon Formation. In western Arizona it includes the Harquar Formation, rocks of Slumgullion, and related(?) unnamed units in the Kofa and Middle Mountains. This unit is characterized by maroon, brown, and purplish-gray volcanic-lithic sandstone and siltstone, with subordinate to abundant conglomerate, quartz-rich sandstone and sparse limestone. (150-170 Ma)

Lithology: Major:{sandstone,siltstone,conglomerate}, Minor:{felsic volcanic,limestone}

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

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 275.
Romslo, T.M. & S.F. Ravitz (1947), Arizona silver-manganese ores, US Bureau of Mines Report of Investigation 4097.
Farnham, L.L., Stewart, L.A., and Delong, C.W. (1961), Manganese Deposits of Eastern Arizona, US Bureau of Mines Information Circular 7990: 171-173.
Moores, R.C., III (1972) The geology and ore deposits of a portion of the Harshaw district, Santa Cruz County, Arizona: Tucson, University of Arizona, M.S. thesis, 98 p.
Simons, F.S. (1974) Geologic map and sections of the Nogales and Lochiel quadrangles, Santa Cruz County, Arizona: U.S. Geological Survey Miscellaneous Investigations Series Map I-762, 9 p., 1 sheet, scale 1:48,000.
Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 59 (Table 4).
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 343.
U.S. Bureau of Mines - Arizona Bureau of Geology and Mineral Technology file data.
Arizona Department of Mineral Resources file data, Salvador mine-workings map.
Crittenden, Max, USGS Raw Material Compilations – Manganese.
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10048336, MRDS ID #M899920; and, Dep. ID #10113242, MAS ID #0040230004.

 
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