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Hardscrabble Mining District, Morgan County, Utah, USAi
Regional Level Types
Hardscrabble Mining DistrictMining District
Morgan CountyCounty
UtahState
USACountry

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Type:
Mining District
Mindat Locality ID:
37410
Long-form identifier:
mindat:1:2:37410:2
GUID (UUID V4):
fb3de756-ea11-4c09-a489-38ac4a8fc098
Other/historical names associated with this locality:
Mill Creek Mining District; Hardscrable


The Hardscrabble (Mill Creek) mining district is located along Hardscrabble Creek about 8 mi south of Morgan in southwestern Morgan County. The Queen of the West Fe mine was located in the 1870s and became an infrequent producer from 1879 to 1923 and was examined again in the 1960s (Butler, 1920; Bullock, 1970). Total district metal production at modern metal prices is estimated at $20,000. The district is a small iron ore producer with the Queen of the West the only recorded producer.
The Hardscrabble district is on the east flank of the Wasatch Range of the Middle Rocky Mountain province. Mineralization at the Queen of the West Fe mine is along steeply dipping, northeasterly trending fracture filling and replacements in east-dipping Middle Cambrian Maxfield Limestone. The ore is brown, limonitic and goethitic gossans with small masses of magnetite, trace chalcopyrite, and abundant calcite (Bullock, 1970). The mineralization occurs as small lenses and pods a few feet thick. Bullock (1970) collected seven samples that averaged about 50% Fe.
Adams (1969) reported a prospect in migmatized granite gneiss of the Paleoproterozoic Farmington Canyon Complex in Arthurs Fork of Hardscrabble Creek (exact location uncertain). The Arthurs Fork prospect reportedly contains some uraninite, molybdenite, monazite, and xenotime (Adams, 1969). Nearby National Uranium Resource Evaluation (NURE) stream sediment samples contain anomalous rare earth elements (REE) Ce, La, and Y.

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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

8 valid minerals.

Rock Types Recorded

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

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

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Alphabetical List Tree Diagram

Detailed Mineral List:

β“˜ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜ Calcite
Formula: CaCO3
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ Goethite
Formula: Ξ±-Fe3+O(OH)
β“˜ Hematite
Formula: Fe2O3
β“˜ 'Limonite'
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
β“˜ Molybdenite
Formula: MoS2
β“˜ 'Monazite'
Formula: REE(PO4)
β“˜ Uraninite
Formula: UO2
β“˜ Xenotime-(Y)
Formula: Y(PO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Molybdenite2.EA.30MoS2
Group 4 - Oxides and Hydroxides
β“˜Goethite4.00.Ξ±-Fe3+O(OH)
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Hematite4.CB.05Fe2O3
β“˜Uraninite4.DL.05UO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
Group 8 - Phosphates, Arsenates and Vanadates
β“˜Xenotime-(Y)8.AD.35Y(PO4)
Unclassified
β“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜'Limonite'-
β“˜'Monazite'-REE(PO4)

List of minerals for each chemical element

HHydrogen
Hβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hβ“˜ GoethiteΞ±-Fe3+O(OH)
CCarbon
Cβ“˜ CalciteCaCO3
OOxygen
Oβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oβ“˜ CalciteCaCO3
Oβ“˜ GoethiteΞ±-Fe3+O(OH)
Oβ“˜ HematiteFe2O3
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ MonaziteREE(PO4)
Oβ“˜ UraniniteUO2
Oβ“˜ Xenotime-(Y)Y(PO4)
FFluorine
Fβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MgMagnesium
Mgβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
SiSilicon
Siβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
PPhosphorus
Pβ“˜ MonaziteREE(PO4)
Pβ“˜ Xenotime-(Y)Y(PO4)
SSulfur
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ MolybdeniteMoS2
KPotassium
Kβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CaCalcium
Caβ“˜ CalciteCaCO3
TiTitanium
Tiβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Feβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ GoethiteΞ±-Fe3+O(OH)
Feβ“˜ HematiteFe2O3
Feβ“˜ MagnetiteFe2+Fe23+O4
CuCopper
Cuβ“˜ ChalcopyriteCuFeS2
YYttrium
Yβ“˜ Xenotime-(Y)Y(PO4)
MoMolybdenum
Moβ“˜ MolybdeniteMoS2
UUranium
Uβ“˜ UraniniteUO2

Fossils

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Localities in this Region

USA

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North America
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

services.arcgis.com (n.d.) https://services.arcgis.com/ZzrwjTRez6FJiOq4/arcgis/rest/services/Metal_Mineral_Resources_web_View/FeatureServer/6/8/attachments/8
Butler, B.S., Loughlin, G.F., Heikes, V.C., and others (1920) The ore deposits of Utah: U.S. Geological Survey Professional Paper 111, 672 p.
Adams, J.W. (1969) Thorium and rare earths, in Mineral and water resources of Utah: Utah Geological and Mineralogical Survey Bulletin 73, p. 115–119.
Bullock, Kenneth C. (1970) Iron deposits of Utah. Bulletin 88. Utah Geological Survey
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