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Rawhide Consolidated Mine (Rawhide Mine; Rawhide Cons.), Midas, Placer Co., California, USA

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Latitude & Longitude (WGS84): 39° 11' 47'' North , 120° 44' 19'' West
Latitude & Longitude (decimal): 39.19639,-120.73861


A former lode Au-Ag occurrence/mine located in the N½NE¼ (accurate) sec. 4, T15N, R11E, MDM, 2.8 km (1.7 miles) SE of Midas and about 6.2 km NNW of Damascus on the S canyon wall of the North Fork of the North Fork American River (S slope of Sawtooth Ridge (divide between the North Fork of the North Fork and the North Fork American River)) (3 mile SE of Towle), on private land within a National Forest area. MRDS database stated accuracy for this location is 100 meters.

NOTE: USGS MRDS database file #10086483 places this mine in the Dutch Flat District; however, it is quite a distance from that district's mines and Dutch Flat itself. Clark (1970a) places it in the Damascus District, consistent with other nearby mines.

Mineralization is hosted in Pennsylvanian slate. The ore body strikes NW and dips 45NE at a thickness of 42.67 meters. The deposit involves porphyry dikes 4 to 140 feet thick. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).

Workings include underground openings with a length of 1,886.41 meters and an overall depth of 212.14 meters, and comprised of an open cut, shaft, tunnel (?), drifting and adits.

Production data are found in: Logan, Clarence August (1936).

No other production record was found.

Mineral List


2 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

Triassic - Ordovician
201.3 - 485.4 Ma
Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada)

Age: Phanerozoic (201.3 - 485.4 Ma)

Stratigraphic Name: Calaveras Complex (part); Shoo Fly Complex (part); Blue Canyon Formation; Briceburg Formation; Cape Horn Slate; Delhi Formation; Hite Cove Formation; Kanaka Formation; Relief Quartzite; Tightner Formation

Description: Undivided Paleozoic metasedimentary rocks. Includes slate, sandstone, shale, chert, conglomerate, limestone, dolomite, marble, phyllite, schist, hornfels, and quartzite

Comments: Western Sierra Nevada. Lower Paleozoic Shoo Fly Complex and upper Paleozoic to lower Mesozoic Calaveras Complex, undivided. Deformed and metamorphosed rocks composed primarily of quartzite, argillite, and chert; includes melange

Lithology: Major:{argillite,quartzite,phyllite}, Minor:{mudstone,sandstone,chert}, Incidental:{schist, marble, conglomerate, sedimentary breccia, limestone, basalt}

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



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References

Waring, Clarence A. (1917), Placer County: Report 15 of the State Mineralogist, California State Mining Bureau (Report 15): 15: 348.

Hamilton, Fletcher McNab (1922), eighteenth report of the State Mineralogist: California Mining Bureau. (Report 18); 767 pp.: 302.

Logan, Clarence August (1936), Gold Mines of Placer County: California Journal of Mines and Geology, California Division Mines (Report 32): 32(1): 33, 47.

Eric, J.C. (1948), Tabulation of Copper Deposits in California in: Copper in California: California Division of Mines Bulletin 144: 283.

Burnett, John L. and Jennings, Charles W. (1962), Geologic Map of California, Olaf P. Jenkins edition, Chico sheet: California Division of Mines and Geology; scale 1:250,000.

Clark, Wm. B. (1970a) Gold districts of California: California Division Mines & Geology Bulletin 193: 43.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10086483 & 10261969.

U.S. Bureau of Mines, Minerals Availability System (MAS) file #0060610612.

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