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Hard Scramble claim, Ryan, Furnace Creek District (Furnace Creek Borate District; Death Valley Area Borate Deposits; Ryan area), Inyo Co., California, USA

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Latitude & Longitude (WGS84): 36° 20' 6'' North , 116° 42' 10'' West
Latitude & Longitude (decimal): 36.335, -116.702777778
Other regions containing this locality:Death Valley National Park, California/Nevada, USA

A borate occurrence (old US Borax & Chemical Co. claim) located in the SE¼SE¼ sec. 36, T26N, R2E, SBM, 3.2 km (2.0 miles) N72W (WNW) of Ryan.

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).

NOTE: This locality is not listed in the USGS MRDS database. There is only another Hard Scrabble claim listed pertaining to a polymetallic occurrence in another area of Inyo County.

NOTE: The coordinates provided are for the SE¼SE¼ sec. 36, on a prospect symbol on the topo map.

Mineral List

19 valid minerals. 2 (TL) - type locality of valid minerals.

The above list contains all mineral locality references listed on 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 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.


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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