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Spencer No. 1 (Spencer #1; Harvey Black #2), Monument Valley Mining District, Navajo Co., Arizona, USAi
Regional Level Types
Spencer No. 1 (Spencer #1; Harvey Black #2)Mine
Monument Valley Mining DistrictMining District
Navajo Co.County
ArizonaState
USACountry

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Key
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Latitude & Longitude (WGS84):
36° 59' 27'' North , 110° 13' 24'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Oljato-Monument Valley154 (2017)2.9km
Oljato-Monument Valley674 (2016)5.0km
Kayenta5,189 (2011)29.4km
Halchita266 (2011)33.3km
Dennehotso746 (2011)37.2km


An U occurrence located in approximate sec. 6, T41N, R20E, G&SRM, about 1.6 km (1.0 mile) SSW of Goulding (San Juan County, Utah), in Monument Valley.

Mineralization is carnotite, hewettite and tyuyamunite, associated with iron oxides, silicified logs plus pebbles and cobbles, at the base of a N6lE-trending paleochannel of the Shinarump Member of the Chinle Formation.

Workings include unspecified underground openings.

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


3 valid minerals.

Detailed Mineral List:

Carnotite
Formula: K2(UO2)2(VO4)2 · 3H2O
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.
Hewettite
Formula: CaV6O16 · 9H2O
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.
'Petrified Wood'
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.
Tyuyamunite
Formula: Ca(UO2)2(VO4)2 · 5-8H2O
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
Carnotite4.HB.05K2(UO2)2(VO4)2 · 3H2O
Hewettite4.HE.15CaV6O16 · 9H2O
Tyuyamunite4.HB.25Ca(UO2)2(VO4)2 · 5-8H2O
Unclassified Minerals, Rocks, etc.
'Petrified Wood'-

List of minerals arranged by Dana 8th Edition classification

Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Carnotite40.2a.28.1K2(UO2)2(VO4)2 · 3H2O
Tyuyamunite40.2a.26.1Ca(UO2)2(VO4)2 · 5-8H2O
Group 47 - VANADIUM OXYSALTS
Hydrated Normal Vanadium Oxysalts
Hewettite47.3.1.1CaV6O16 · 9H2O
Unclassified Minerals, Mixtures, etc.
'Petrified Wood'-

List of minerals for each chemical element

HHydrogen
H CarnotiteK2(UO2)2(VO4)2 · 3H2O
H HewettiteCaV6O16 · 9H2O
H TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
OOxygen
O CarnotiteK2(UO2)2(VO4)2 · 3H2O
O HewettiteCaV6O16 · 9H2O
O TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
KPotassium
K CarnotiteK2(UO2)2(VO4)2 · 3H2O
CaCalcium
Ca HewettiteCaV6O16 · 9H2O
Ca TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
VVanadium
V CarnotiteK2(UO2)2(VO4)2 · 3H2O
V HewettiteCaV6O16 · 9H2O
V TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
UUranium
U CarnotiteK2(UO2)2(VO4)2 · 3H2O
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

Permian
251.902 - 298.9 Ma



ID: 3188526
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 298.9 Ma)

Lithology: Sedimentary rocks

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]

Kungurian - Moscovian
272.95 - 315.2 Ma



ID: 2993666
Permian to Pennsylvanian sedimentary rocks

Age: Paleozoic (272.95 - 315.2 Ma)

Stratigraphic Name: Hermit Formation; Supai Group; Schnebly Hill Formation; Naco Group

Description: Interbedded sandstone, shale, and limestone usually characterized by ledgy outcrops. Orange to reddish sandstone forms cliffs near Sedona. This unit includes Supai Group and Hermit Shale in northern Arizona and Naco Group in southern Arizona. It was deposited in coastal-plain to shallow-marine settings during time of variable and changing sea level. Rocks of this map unit in southern Arizona may be in part equivalent to Permian rocks of map unit P in central and northern Arizona. (280-310 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,limestone}

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]

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)
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.
USGS Agathla quadrangle 15 minute topo map.
Marble Canyon NTMS.


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