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Hard Scramble claim, Ryan, Black Mts, Furnace Creek District (Furnace Creek Borate District), Death Valley National Park, Inyo Co., California, USA

Gowerite
Hard Scramble claim, Ryan, Black Mts, Furnace Creek District, Death Valley National Park, Inyo Co., California, USA

Photo: Elmar Lackner 2009
A borate occurrence (old US Borax & Chemical Co. claim) located in the SE¼SE¼ sec. 36, T26N, R2E, SBM, 10 km SE of the Meridian claim and 3 km N72W of Ryan, in the NE foothills of the Black Mountains.

Mineralization is a borate and gypsum deposit of Halocene borates in a surficial sponge containing much gypsum and ulexite, formed by the weathering of proximate colemanite and priceite veins in Late Tertiary rocks (basalt).

Mineral List

Analcime
Calcite
Colemanite
Ginorite
Gowerite (TL)
Gypsum
 Hungchaoite
Inderite
Kurnakovite
Mcallisterite
Meyerhofferite
Mirabilite
 Montmorillonite
Nobleite
Priceite
Rivadavite
Sassolite
Sborgite
 Thenardite
Ulexite
Uvite
Wardsmithite (TL)


22 entries listed. 22 valid minerals. 2 type localities (valid minerals).

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References

Allen, Robert D. & Henry C. Kramer (1957), Ginorite and sassolite from Death Valley, California, American Mineralogist: 42: 56-61, 198.

Erd, R.C., J.F. McAllister & H. Almond (1959), Gowerite, a new hydrous calcium borate from Death Valley, California: American Mineralogist: 44: 911-919.

Erd, R.C., J.F. McAllister & A.C. Vlisidis (1961), Nobleite, another new hydrous calcium borate from the Death Valley region, California: American Mineralogist: 46: 561.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 205-206.

Erd, R.C., J.F. McAllister, and A.C. Vlisidis (1970) Wardsmithite 5CaO • MgO •12B2O3 •30H2O, a new borate mineral from the Death Valley region, California. American Mineralogist: 55: 349-357.

McAllister, James Franklin (1970) Geology of the Furnace Creek borate area, Death Valley, Inyo County, California. California Division of Mines and Geology Map Sheet 14, 9 pp.: 8, 9.

Erd, R.C., J.F. McAllister, and G.D. Eberlein (1979) New data on hungchaoite, the second world occurrence, Death Valley region, California. American Mineralogist: 64: 369-375.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 239-240, 241, 254, 259, 280.

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. 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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