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Starlight Mine (Starlight No. 3 Mine; East Starlight), Boot Mesa, Monument Valley Mining District, Navajo Co., Arizona, USAi
Regional Level Types
Starlight Mine (Starlight No. 3 Mine; East Starlight)Mine
Boot MesaMesa
Monument Valley Mining DistrictMining District
Navajo Co.County
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
36° 57' 39'' North , 110° 18' 37'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Oljato-Monument Valley674 (2016)9.3km
Oljato-Monument Valley154 (2017)11.0km
Kayenta5,189 (2011)26.4km
Halchita266 (2011)41.7km
Dennehotso746 (2011)43.2km
Other/historical names associated with this locality:
Industrial Uranium


A former U occurrence/mine located in the center sec. 17, T41N, R19E, G&SRM, 6.7 km (4.2 miles) N of Boot Mesa (coordinates of record), in Monument Valley.

Mineralization is uraninite hosted in a Shinarump Member of the Chinle Formation paleochannel. Local rocks include Quaternary surficial deposits, undivided.

Workings include underground openings comprised of a vertical shaft plus room and pillar mining operations.

Production was 86,369 tons of ore @0.30% U3O8; 0.06% V2O5 plus 5.41% CaCO3 maximum (1955-1964).

Regions containing this locality

North America PlateTectonic Plate
Colorado Plateau, USAPlateau
Navajo Nation Indian Reservation, USAReservation
Hopi-Navajo Indian Reservations, Colorado Plateau, Apache; Navajo and San Juan Cos., Arizona & Utah, USA

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

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


Mineral List


2 valid minerals.

Detailed Mineral List:

Baryte
Formula: BaSO4
Colour: Brown
Description: Druses of minute crystals on fracture surfaces in sandstone.
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 128.
Uraninite
Formula: UO2
Reference: 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: 225.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Uraninite4.DL.05UO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4

List of minerals arranged by Dana 8th Edition classification

Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4

List of minerals for each chemical element

OOxygen
O BaryteBaSO4
O UraniniteUO2
SSulfur
S BaryteBaSO4
BaBarium
Ba BaryteBaSO4
UUranium
U UraniniteUO2

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Holocene - Gelasian
0 - 2.588 Ma



ID: 2779547
Quaternary surficial deposits, undivided

Age: Pleistocene (0 - 2.588 Ma)

Description: Unconsolidated to strongly consolidated alluvial and eolian deposits. This unit includes: coarse, poorly sorted alluvial fan and terrace deposits on middle and upper piedmonts and along large drainages; sand, silt and clay on alluvial plains and playas; and wind-blown sand deposits. (0-2 Ma)

Comments: Original map source: Arizona Geological Survey, DI-8 Geologic Map of Arizona, Digital Spatial data for the Geologic Map of Arizona, v. 3.0, edited by S.M. Richard and S.M. Kneale, 2002, 10 p., 2 DOS HD disks. Arc/INFO export file (.e00) format, scale 1:1,000,000.

Lithology: Major:{sand,silt,clay}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Early Jurassic - Late Triassic
174.1 - 237 Ma



ID: 3185972
Mesozoic sedimentary rocks

Age: Mesozoic (174.1 - 237 Ma)

Lithology: Sandstone-conglomerate

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Johnson, H.S. and Thordarson, W. (1956), U.S. Geological Survey, U.S. Atomic Energy Commission, Trace Elements Investigation Report TEI-640.
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: 216.
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: 225.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 128.
U.S. Bureau of Mines (1995), Minerals Availability System/Mineral Industry Location System (MAS/MILS), U.S. Bureau of Mines, file ID #0040170213.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, deposit ID #10210486.
Arizona Department of Mineral Resources, Industrial Minerals files.
USGS Boot Mesa quadrangle 15 minute topo map.
Marble Canyon NTMS.

USGS MRDS Record:10210486
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