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Darwin District, Inyo Co., California, USA

A mining area located principally in secs. 11-14, 23-25, T19S, R40E, MDM, around Darwin.

The locality is particularly famous for scheelite crystals. The old report that stolzite occurs from this locality was substantiated by Moore (2006). The opaque gray specimens of "scheelite" may be mostly pseudomorphs of stolzitre after scheelite, while the transparent to translucent crystals which fluoresce blue white in short wave ultraviolet are probably perfectly good scheelite.

Mineral List

Mineral list contains entries from the region specified including sub-localities
Acanthite
'Andorite'
Andradite
'Andradite-Grossular Series'
Anglesite
Anhydrite
Antlerite
'Apatite'
Aragonite
Arsenopyrite
Augite
Aurichalcite
Autunite
Azurite
Baryte
Beudantite
Bismuth
Bismuthinite
Bismutite
Bornite
Braunite
Brochantite
Calcite
var: Iceland Spar
Caledonite
Carminite
Cerussite
Cervantite
Chalcanthite
Chalcocite
Chalcopyrite
Chlorargyrite
Chrysocolla
Chrysotile
Clausthalite
'Clay'
Clinochrysotile
Clinozoisite
Conichalcite
'Copper Stain'
Coquimbite
Cosalite
Covellite
Creedite
Crocoite
Cuprite
Cupropavonite
'Deweylite'
Diopside
Enargite
Epidote
Eskimoite
Famatinite
Fluorite
Franckeite
Friedrichite
Galena
var: Argentiferous Galena
Galenobismutite
'Garnet'
Gehlenite
Geocronite
Goethite
Gold
var: Electrum
Goslarite
Grossular
Guanajuatite
Gustavite
Gypsum
var: Selenite
Halloysite-10Å
Hematite
Hemimorphite
Heyrovskýite
Hydrozincite
Jarosite
Junoite
Kettnerite
Krupkaite
Larnite
Leadhillite
'Limonite'
Linarite
Litharge
Luzonite
Magnetite
Malachite
Massicot
Matildite
Melanterite
Metacinnabar
Mimetite
Minium
Montmorillonite
Muscovite
var: Sericite

Opal
var: Opal-AN

Orthoclase
Oxyplumboroméite
'Paraspurrite' (TL)
Pavonite
Plumbojarosite
Pseudomalachite
Pyrite
Pyrolusite
Pyromorphite
Pyrrhotite
Quartz
Quartz
var: Jasper

Rickardite
'Roméite Group
var: Stibiconite'

Rosasite
Scheelite
Schirmerite
Scorodite
Selenium
Sénarmontite
Serpierite
Siderite
Silver
Smithsonite
Sphalerite
Stannite
Stibnite
Stolzite
Sulphur
Tennantite
Tenorite
Tetradymite
Tetrahedrite
Titanite
'Tourmaline'
Tremolite
Tungstite
Valentinite
Vanadinite
Vesuvianite
Vikingite
Vivianite
Wollastonite
Wulfenite


225 entries listed. 123 valid minerals. 1 type locality (other).

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

Loew, Oscar (1876), Report on the geological and mineralogical character of southeastern California and adjacent regions: US Geog. Surveys W. 100th Meridian Report 1876, ap. H2: 173-189.

Wheeler, G.M. (1876), Annual report upon the geographical surveys west of the 100th meridian in California, Nevada, Utah, Colorado, Wyoming, New Mexico, Arizona, and Montana: 44th. Cong., 2nd. sess., H. Ex. Doc. 1, pt. 2, vol. 2, pt. 3 app. J.J.: 57.

Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp. (includes catalog of minerals of California pp. 63-410), and miscellaneous observations on mineral products): 114.

Crawford, James John (1894), Twelfth report of the State Mineralogist: California Mining Bureau. Report 12: 24.

Knopf, Adolf (1914a), The Darwin silver-lead mining district, California: USGS Bulletin 580: 1-18; […(abstract): Geol. Zentralbl., Band 21: 597]: 7.

Tucker, W. Burling (1921), Los Angeles field division: California Mining Bureau. Report 17: 294.

Kelley, Vincent Cooper (1938), Geology and ore deposits of the Darwin silver-lead mining district, Inyo County, California: California Division Mines Report 34: 539, 540, 541, 542, 543, 544, 546.

Tucker, W. Burling & Reid J. Sampson (1938), Mineral resources of Inyo County, California: California Journal of Mines and Geology: 34(4): 368-500.

Murdoch, Joseph & Robert W. Webb (1942), Notes on some minerals from southern California, III: American Mineralogist: 27: 325.

Butner, D.W. (1949), Investigation of tungsten occurrences in Darwin district, Inyo County, California: US Bureau Mines Report of Investigation 4475: 1-6.

Norman, L.A. & Richard M. Stewart (1951), Mines and mineral resources of Inyo County, California: California Journal of Mines and Geology: 47(1): 64.

Hall, Wayne Everett & E.M. Mackevett (1958), Economic geology of the Darwin quadrangle, Inyo County, California: Calif Division of Mines Special Report 51, 77 pp.

Hall, Wayne Everett & Edward M. Mackevett (1963), Geology and ore deposits of the Darwin quadrangle, Inyo County, California: USGS PP 368: 13, 25, 33, 37, 40-41, 59, 62, 64, 76.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 75, 78, 84, 86, 93, 97, 104, 111, 114, 117, 123, 125, 126-127, 128, 129, 144, 152, 161, 163, 167, 176, 180, 187, 194, 205, 225, 232-233, 245, 252-253, 257, 258, 292, 303, 311, 329, 341, 344, 349, 361, 363, 370, 382, 388, 541, 544.

Rye, R.O. (1971) Carbon, hydrogen, oxygen and sulfur isotope study of the Darwin silver-lead-zinc deposits, southern California. Economic Geology: 66: 1269.

Mueller, W.H.T. (1974) The mineralogy, geology and paragenesis of the 1208 oxide stope, Defiance workings, Darwin mine, Darwin, California. Unpublished Master’s thesis, University of California, Riverside.

Czamanske, G.K. & W.E. Hall (1975), The Ag-Bi-Pb-Sb-S-Se-Te mineralogy of the Darwin lead-silver-zinc deposit, southern California: Economic Geology: 70: 1092-1110.

Colville, A.A. & P.A. Colville (1977), Paraspurrite, a new polymorph of spurrite from Inyo County, California: American Mineralogist: 62: 1003-1005.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 18-19, 68, 76, 89, 94, 97, 99, 101, 106-107, 125, 136, 164, 184, 188, 225, 228, 229, 230, 271, 276, 296, 297, 300, 302, 324, 339, 422, 474, 480, 496, 514, 545.

Stolburg, C.S. (1984): The mines and minerals of Darwin, Californa. Mineralogical Record 15(1): 5-18.

Gail E. Dunning, Yves MoÎlo, and Joseph F. Cooper, Jr. (2000) Ag-Cu-Pb-Bi Sulfosalts New to Darwin, Inyo County, California Occasional web publications of the Bay Area Mineralogists.

Moore, Tom, (2006), What's new in Minerals, Mineralogical Record.

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Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the 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 hundreds 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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