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Duffin Mine, Silver Reef Mining District, Washington County, Utah, USAi
Regional Level Types
Duffin MineMine
Silver Reef Mining DistrictMining District
Washington CountyCounty
UtahState
USACountry

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Latitude & Longitude (WGS84):
37° 12' 27'' North , 113° 20' 34'' West
Latitude & Longitude (decimal):
37.20776,-113.34302
GeoHash:
G#: 9qx7sv6nu
GRN:
N25W65
Type:
Mine
KΓΆppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Leeds842 (2017)3.7km
Hurricane15,501 (2017)5.9km
LaVerkin4,060 (2011)6.5km
Toquerville1,493 (2017)7.2km
Virgin604 (2017)13.7km
Mindat Locality ID:
39204
Long-form identifier:
mindat:1:2:39204:7
GUID (UUID V4):
0fa6dcbf-4159-4440-98a9-23a607f64333
Other/historical names associated with this locality:
Requa


Structure: Virgin Anticline

Tectonics: Basin And Range-Colorado Plateau Transition

Deposit: Mineralization is along 2 bed of sandstone and is associated with clay gall and carbon trash.

Rock formation(s): Silver Reef Sandstone


Ore(s): Selective Sandstone Lenses

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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


Mineral List


7 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Chalcocite2.BA.05Cu2S
β“˜Acanthite2.BA.35Ag2S
Group 3 - Halides
β“˜Chlorargyrite3.AA.15AgCl
Group 4 - Oxides and Hydroxides
β“˜Carnotite4.HB.05K2(UO2)2(VO4)2 Β· 3H2O
Group 5 - Nitrates and Carbonates
β“˜Azurite5.BA.05Cu3(CO3)2(OH)2
β“˜Malachite5.BA.10Cu2(CO3)(OH)2
Group 8 - Phosphates, Arsenates and Vanadates
β“˜Autunite8.EB.05Ca(UO2)2(PO4)2 Β· 10-12H2O

List of minerals for each chemical element

HHydrogen
Hβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Hβ“˜ AzuriteCu3(CO3)2(OH)2
Hβ“˜ CarnotiteK2(UO2)2(VO4)2 · 3H2O
Hβ“˜ MalachiteCu2(CO3)(OH)2
CCarbon
Cβ“˜ AzuriteCu3(CO3)2(OH)2
Cβ“˜ MalachiteCu2(CO3)(OH)2
OOxygen
Oβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Oβ“˜ AzuriteCu3(CO3)2(OH)2
Oβ“˜ CarnotiteK2(UO2)2(VO4)2 · 3H2O
Oβ“˜ MalachiteCu2(CO3)(OH)2
PPhosphorus
Pβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
SSulfur
Sβ“˜ AcanthiteAg2S
Sβ“˜ ChalcociteCu2S
ClChlorine
Clβ“˜ ChlorargyriteAgCl
KPotassium
Kβ“˜ CarnotiteK2(UO2)2(VO4)2 · 3H2O
CaCalcium
Caβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
VVanadium
Vβ“˜ CarnotiteK2(UO2)2(VO4)2 · 3H2O
CuCopper
Cuβ“˜ AzuriteCu3(CO3)2(OH)2
Cuβ“˜ ChalcociteCu2S
Cuβ“˜ MalachiteCu2(CO3)(OH)2
AgSilver
Agβ“˜ AcanthiteAg2S
Agβ“˜ ChlorargyriteAgCl
UUranium
Uβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Uβ“˜ CarnotiteK2(UO2)2(VO4)2 · 3H2O

Other Databases

Link to USGS MRDS:10015418

Other Regions, Features and Areas containing this locality

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

Proctor, P. D., (1953) , Geology of the Silver Reef (harrisburg) Mining District Washington County, Utah: Utah Geological and Mineralogical Survey Bulletin 44
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