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Big Chief Mine (Big Chief No. 3 & 4 claims), Boot Mesa, Navajo County, Arizona, USAi
Regional Level Types
Big Chief Mine (Big Chief No. 3 & 4 claims)Mine
Boot MesaMesa
Navajo CountyCounty
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
36° 56' 26'' North , 110° 17' 14'' West
Latitude & Longitude (decimal):
36.94059,-110.28731
GeoHash:
G#: 9w9d4kg4x
GRN:
N25W64
Type:
Mine
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Oljato-Monument Valley154 (2017)10.0km
Oljato-Monument Valley674 (2016)10.5km
Kayenta5,189 (2011)23.8km
Dennehotso746 (2011)40.6km
Halchita266 (2011)40.9km
Mindat Locality ID:
188558
Long-form identifier:
mindat:1:2:188558:6
GUID (UUID V4):
0
Other/historical names associated with this locality:
Big Chief #3 & 4 claims


A former U occurrence/mine located in approximate SE¼ sec. 21, T4lN, R19E, G&SRM, about 6.0 km (3.7 miles) NNE of Boot Mesa (coordinates of record). The geographic coordinates presented are approximate for the SE corner of sec. 21.

Mineralization is an U deposit with uraninite in a paleochannel of Shinarump conglomerate.

Workings include underground openings with an incline entry.

Production was 32,534 tons of ore @ 0.23% U3O8 (1959-1961).

Analysis test results: 0.31% U3O8; 0.50% V2O5; 6.00% CaCO3 maximum.

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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.


Mineral List


2 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘUraninite4.DL.05UO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘUranopilite7.EA.05(UO2)6(SO4)O2(OH)6 · 14H2O

List of minerals for each chemical element

HHydrogen
Hⓘ Uranopilite(UO2)6(SO4)O2(OH)6 · 14H2O
OOxygen
Oⓘ UraniniteUO2
Oⓘ Uranopilite(UO2)6(SO4)O2(OH)6 · 14H2O
SSulfur
Sⓘ Uranopilite(UO2)6(SO4)O2(OH)6 · 14H2O
UUranium
Uⓘ UraniniteUO2
Uⓘ Uranopilite(UO2)6(SO4)O2(OH)6 · 14H2O

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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. Department of Energy files.
USGS Boot Mesa, Arizona, quadrangle 15 minute topo map.
Marble Canyon NTMS.
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: 218.
Grant, Raymond W., Bideaux, R.A., Williams, S.A. (2005) Minerals Added to the Arizona List 1995-2005 (1st ed.)
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