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M.O. 28 Mine, Taasahdi Dzil, Black Mountain Mining District (Black Mesa Mining District), Apache Co., Arizona, USAi
Regional Level Types
M.O. 28 MineMine
Taasahdi DzilPeak
Black Mountain Mining District (Black Mesa Mining District)Mining District
Apache Co.Mine
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
36° 13' 58'' North , 109° 48' 59'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Cottonwood226 (2011)19.0km
Rough Rock414 (2011)20.0km
Many Farms1,348 (2011)22.2km
Chinle4,518 (2011)25.2km
Del Muerto329 (2011)33.9km


A former U occurrence/mine located in approximate center sec. 25, T33N, R22E, G&SRM, 7.5 km (4.7 miles) E of Taasahdi Dzil (summit) (coordinates of record) and 1.5 miles NNW of Bitter Water Springs.

Mineralization is tyuyamunite and metahewettite in pods with clay hosted in Late Cretaceous sandstone. The ore body is 0.91 meter (3 feet) thick and 152.4 meters (about 500 feet) long. The deposit shows tyuyamunite-coated quartz grains in somewhat discontinuous bands. Tyuyamunite coating quartz grains in discontinuous bands along bedding in a carbonaceous sandstone just below the middle member of the Toreva Formation. Local rocks include sedimentary rocks of the Late Cretaceous Mesaverde Group.

Workings included surface openings comprised of open pits and rim cuts.

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.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Clays'
Reference: Chenoweth, W.L. (1973), Uranium deposits of northwestern Arizona, New Mexico Geol. Soc. 24th. field guidebook: 147-148; Peirce, H.W., S.B. Keith and J.C.Wilt (1970), Coal, oil, natural gas, helium, and uranium in Arizona, AZ Bur. Mines Bull. 182.
Metahewettite
Formula: CaV6O16 · 3H2O
Reference: Chenoweth, W.L. (1973), Uranium deposits of northwestern Arizona, New Mexico Geol. Soc. 24th. field guidebook: 147-148; Peirce, H.W., S.B. Keith and J.C.Wilt (1970), Coal, oil, natural gas, helium, and uranium in Arizona, AZ Bur. Mines Bull. 182.
Tyuyamunite
Formula: Ca(UO2)2(VO4)2 · 5-8H2O
Reference: Chenoweth, W.L. (1973), Uranium deposits of northwestern Arizona, New Mexico Geol. Soc. 24th. field guidebook: 147-148; Peirce, H.W., S.B. Keith and J.C.Wilt (1970), Coal, oil, natural gas, helium, and uranium in Arizona, AZ Bur. Mines Bull. 182.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Metahewettite4.HE.15CaV6O16 · 3H2O
Tyuyamunite4.HB.25Ca(UO2)2(VO4)2 · 5-8H2O
Unclassified Minerals, Rocks, etc.
'Clays'-

List of minerals arranged by Dana 8th Edition classification

Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Tyuyamunite40.2a.26.1Ca(UO2)2(VO4)2 · 5-8H2O
Group 47 - VANADIUM OXYSALTS
Hydrated Normal Vanadium Oxysalts
Metahewettite47.3.1.2CaV6O16 · 3H2O
Unclassified Minerals, Mixtures, etc.
'Clays'-

List of minerals for each chemical element

HHydrogen
H TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
H MetahewettiteCaV6O16 · 3H2O
OOxygen
O TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
O MetahewettiteCaV6O16 · 3H2O
CaCalcium
Ca TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
Ca MetahewettiteCaV6O16 · 3H2O
VVanadium
V TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
V MetahewettiteCaV6O16 · 3H2O
UUranium
U TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O

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

Santonian - Coniacian
83.6 - 89.8 Ma



ID: 2828851
Sedimentary rocks of the Late Cretaceous Mesaverde Group

Age: Late Cretaceous (83.6 - 89.8 Ma)

Stratigraphic Name: Mesaverde Group

Description: Gray to buff sandstone with interbedded shale and coal. These rocks, which are similar to slightly younger rocks that form Mesa Verde in southwestern Colorado, were deposited on the margin of a shallow sea. Rocks of this map unit host the only large coal deposits in Arizona. (84-88 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:{sandstone,shale,coal}

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)
Clinton, N.J. (1956), Uranium reconnaissance of the Black Mountain-Yale Point area, Black Mesa, Navajo Indian Reservation, Arizona: U. S. Atomic Energy Commission Report RME-91, 24 p.
Chenoweth, W.L. (1973), Uranium deposits of northwestern Arizona, New Mexico Geological Society 24th. field guidebook: 147-148.
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.
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: 118.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10104156.
USGS crib list record #M899967.
USGS Blue Gap 7½ minute topo map.
Shiprock NTMS.

USGS MRDS Record:10104156
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