An U occurrence located in the W½ sec. 26, T19N, R20E, G&SRM, 14.8 km (9.2 miles) ENE of Joseph City. Owned by T. Gerwitz, Arizona (1953).

Mineralization is an U deposit with Bequerelite and a fluorescent U mineral(s)(probably autunite and/or tyuyamunite) in light brown, coarse-grained, bentonitic sandstone, containing abundant carbonized plant remains. Probably Petrified Forest Member of the Chinle Formation. Local rocks include rocks of the Chinle Formation. Radiation is 0.2 mr/hour.

Analysis test results: 4 samples @ 0.04-1.29% U3O8.

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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

ⓘ Uranium

Mineral List

ⓘ Becquerelite

1 valid mineral.

Rock Types Recorded

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Alphabetical List Tree Diagram

ⓘ Sandstone

Detailed Mineral List:

ⓘ Becquerelite

Formula: Ca(UO₂)₆O₄(OH)₆ · 8H₂O

References:

Scarborough, Robert B. (1981), Radioactive occurrences and uranium production in Arizona – Final Report, Arizona Bureau of Geology and Mineral Technology Report for U.S. Department of Energy (Atomic Energy Commission), GJBX-143 (81) (March 1981). RME-2071: 220.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Becquerelite	4.GB.10	Ca(UO₂)₆O₄(OH)₆ · 8H₂O

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Becquerelite	Ca(UO₂)₆O₄(OH)₆ · 8H₂O
O	Oxygen
O	ⓘ Becquerelite	Ca(UO₂)₆O₄(OH)₆ · 8H₂O
Ca	Calcium
Ca	ⓘ Becquerelite	Ca(UO₂)₆O₄(OH)₆ · 8H₂O
U	Uranium
U	ⓘ Becquerelite	Ca(UO₂)₆O₄(OH)₆ · 8H₂O

Other Databases

Link to USGS MRDS:	10162075

Other Regions, Features and Areas containing this locality

North AmericaContinent

North America PlateTectonic Plate

Baca BasinBasin
Colorado PlateauShield
Great Plains DomainDomain
Holbrook BasinBasin

USA

Arizona
- Navajo County
  - Holbrook Mining DistrictMining District
Colorado PlateauPlateau

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

U.S. Atomic Energy Commission Preliminary Reconnaissance Report #PRR-EDR- 228 (598).

Blair Springs, Arizona, quadrangle 7½ minute topo map.

Flagstaff NTMS.

Lee Mountain, Arizona, quadrangle 7½ minute topo map.

U.S. Atomic Energy Commission Preliminary Report 172-486: 42.

Hoare (1953).

Finch, Warren Irvin (1967), Geology of the epigenetic uranium deposits in Sandstone in the United States, USGS Professional Paper 538: 5.

Peirce, H.W., S.B. Keith and J. C. Wilt (1970), Coal, oil, natural gas, helium, and uranium in Arizona, Arizona Bureau of Mines Bulletin 182: 231.

[1]Scarborough, Robert B. (1981), Radioactive occurrences and uranium production in Arizona, Arizona Bureau of Geology and Mineral Technology Report for U.S. Department of Energy (Atomic Energy Commission), GJBX-143. RME-2071: 220.

U.S. Bureau of Mines (1995), Minerals Availability System/Mineral Industry Location System (MAS/MILS), U.S. Bureau of Mines, file ID #0040170212.

[2](2005) Mineral Resources Data System (MRDS), US Geological Survey.

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