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Workman Mine (Workman deposit; Workman claims; Workman group; Anomaly B6-8), Aztec Lodge area, Workman Creek Valley, Sierra Ancha Mining District, Sierra Ancha Mountains, Gila County, Arizona, USAi
Regional Level Types
Workman Mine (Workman deposit; Workman claims; Workman group; Anomaly B6-8)Mine
Aztec Lodge areaArea
Workman Creek ValleyValley
Sierra Ancha Mining DistrictMining District
Sierra Ancha MountainsMountain Range
Gila CountyCounty
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
33° 50' 44'' North , 110° 57' 24'' West
Latitude & Longitude (decimal):
33.84556,-110.95667
GeoHash:
G#: 9w10e17ud
GRN:
N23W66
Type:
Mine
Köppen climate type:
Csa : Hot-summer Mediterranean climate
Nearest Settlements:
PlacePopulationDistance
Young666 (2011)28.4km
Tonto Basin1,424 (2011)31.2km
Gisela570 (2011)41.2km
Cibecue1,713 (2011)48.8km
Claypool1,538 (2011)49.4km
Mindat Locality ID:
41607
Long-form identifier:
mindat:1:2:41607:3
GUID (UUID V4):
0


A former surface and underground U-Cu-Mo mine complex on 16 claims, located in the center sec. 19, T6N, R14E, about ½ mile S of the Aztec Lodge, on the North side of the Workman Creek Valley, about 400 feet above the creek. Discovered 1954 by C. Nichols and others. Owned by the Arizona Continental Uranium, Inc. (1955).

Mineralization is a tabular ore body hosted in the upper member of the Dripping Spring Quartzite at the contact with diabase. The orebody is 18.29 meters long and 0.91 meters wide strikes NNE and dips 5NE, hosted in dark-colored hornfels for the first 60 feet, then it is in and adjacent to an irregularly-shaped and ill-defined zone of transition dikelets and breccia. Ore control was mobilized hornfels near the diabase contact. An associated rock unit is granite.

Workings involve 3 adits, including the Workman No. 1 adit, plus at least one additional adit and several bulldozed benches (May, 1955). They total 109.73 meters in length. Production was less than 200 tons shipped.
Reserves are probably a small amount of low-grade mineralization.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

11 valid minerals.

Detailed Mineral List:

ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Coffinite
Formula: U(SiO4) · nH2O
ⓘ Cubanite
Formula: CuFe2S3
Description: Occurs in chalcopyrite.
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ 'Limonite'
ⓘ Marcasite
Formula: FeS2
ⓘ Metatorbernite
Formula: Cu(UO2)2(PO4)2 · 8H2O
ⓘ Molybdenite
Formula: MoS2
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Uraninite
Formula: UO2
Description: Small blebs & irreg. shaped veinlets in hornfels.
ⓘ Uranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘCubanite2.CB.55aCuFe2S3
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
ⓘMarcasite2.EB.10aFeS2
Group 4 - Oxides and Hydroxides
ⓘUraninite4.DL.05UO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘGypsum7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘMetatorbernite8.EB.10Cu(UO2)2(PO4)2 · 8H2O
Group 9 - Silicates
ⓘCoffinite9.AD.30U(SiO4) · nH2O
ⓘUranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
Unclassified
ⓘ'Limonite'-

List of minerals for each chemical element

HHydrogen
Hⓘ CoffiniteU(SiO4) · nH2O
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Hⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
OOxygen
Oⓘ CoffiniteU(SiO4) · nH2O
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Oⓘ UraniniteUO2
Oⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
SiSilicon
Siⓘ CoffiniteU(SiO4) · nH2O
Siⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
PPhosphorus
Pⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ CubaniteCuFe2S3
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ MarcasiteFeS2
Sⓘ MolybdeniteMoS2
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
CaCalcium
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ CubaniteCuFe2S3
Feⓘ MarcasiteFeS2
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ CubaniteCuFe2S3
Cuⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
MoMolybdenum
Moⓘ MolybdeniteMoS2
UUranium
Uⓘ CoffiniteU(SiO4) · nH2O
Uⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Uⓘ UraniniteUO2
Uⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O

Other Databases

Link to USGS MRDS:10027326

Localities in this Region

USA
  • Arizona
    • Gila County
      • Sierra Ancha Mountains

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

Arizona Department of Mineral Resources Workman group file.
Arizona Department of Mineral Resources Wyoming Minerals Corp. file.
MRDS database Dep. ID #10027326, MRDS ID #M002876; and Dep. ID #10136822, MAS ID #0040070697.
U.S. Atomic Energy Commission Report 172-480 (1954), Gila County Preliminary Reconnaissance Report: 65, 150.
Granger, H.C. & R.B. Raup (1959), Uranium Deposits in the Dripping Spring Quartzite, Gila County, Arizona, USGS Bull. 1046-P: 440-441, 445, 446, 463-464, 470-472.
Granger, H.C. & R.B. Raup (1969), Geology of Uranium Deposits in the Dripping Spring Quartzite, Gila County, Arizona, USGS PP 595: 35-38, 65, 71, 76.
Keith, Stanton B. (1970), Arizona Bureau of Mines Bull. 182: 277.
Anthony, John W., Williams, Sidney A., Bideaux, Richard A., Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.). University of Arizona Press.
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