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Brigham deposit, Sun Valley, Petrified Forest Mining District, Navajo Co., Arizona, USAi
Regional Level Types
Brigham depositDeposit
Sun ValleyTown
Petrified Forest Mining DistrictMining District
Navajo Co.County
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
34° 52' 50'' North , 109° 51' 6'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Woodruff191 (2011)20.7km
Sun Valley316 (2011)21.8km
Holbrook5,019 (2017)28.0km
Joseph City1,386 (2011)44.7km
Snowflake5,666 (2017)45.8km


An U-V occurrence located in sec. 12, T17N, R23E, G&SRM, 21.8 km (13.6 miles) ESE of Sun Valley, 11.0 km (6.8 miles) SSW of Adamana (Apache County) and 1.8 miles SE of Delaney Tank.

Mineralization is a replacement deposit comprised of primary and secondary U minerals hosted in Late Triassic mudstone, sandstone and conglomerate of the Chinle Formation. The ore body is comprised of lenses at a thickness of 6.1 meters and a width of 60.96 meters. U occurs in scours within channels, usually trending W. Bleached and altered rocks surround the deposits with a high concentration of limonite. Local rocks include rocks of the Chinle Formation.

Regions containing this locality

North America PlateTectonic Plate
Colorado Plateau, USAPlateau

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:

Uraninite
Formula: UO2
Reference: Moore, E.L. & C.C. Gregg (1955), Reconnaissance of the Chinle formation in the Cameron-St. Johns area, Coconino, Navajo and Apache Counties, Arizona, US Atomic Energy Comm. USAEL RME-5.
Zippeite
Formula: K3(UO2)4(SO4)2O3(OH) · 3H2O
Reference: Moore, E.L. & C.C. Gregg (1955), Reconnaissance of the Chinle formation in the Cameron-St. Johns area, Coconino, Navajo and Apache Counties, Arizona, US Atomic Energy Comm. USAEL RME-5.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Uraninite4.DL.05UO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Zippeite7.EC.05K3(UO2)4(SO4)2O3(OH) · 3H2O

List of minerals arranged by Dana 8th Edition classification

Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
Miscellaneous
Zippeite31.10.4.1K3(UO2)4(SO4)2O3(OH) · 3H2O

List of minerals for each chemical element

HHydrogen
H ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
OOxygen
O UraniniteUO2
O ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
SSulfur
S ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
KPotassium
K ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O
UUranium
U UraniniteUO2
U ZippeiteK3(UO2)4(SO4)2O3(OH) · 3H2O

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

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]

Norian - Carnian
208.5 - 237 Ma



ID: 2719040
Chinle Formation

Age: Late Triassic (208.5 - 237 Ma)

Stratigraphic Name: Chinle Formation

Description: Colorful mudstone, such as in the Painted Desert, and less abundant lenses of sandstone and conglomerate, deposited by a large river system. This unit typically is eroded into badlands topography and contains clays that are prone to shrinking and swelling. (210-230 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:{mudstone}, Minor:{sandstone,conglomerate}

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)
Moore, E.L. & C.C. Gregg (1955), Reconnaissance of the Chinle formation in the Cameron-St. Johns area, Coconino, Navajo and Apache Counties, Arizona, U.S. Atomic Energy Commission Report USAEL RME-5.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, deposit ID #10027174.
USGS MRDS ID #M002376.


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