Notch Peak Mining District, Millard County, Utah, USAi
Regional Level Types | |
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Notch Peak Mining District | Mining District |
Millard County | County |
Utah | State |
USA | Country |
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Type:
Mindat Locality ID:
38251
Long-form identifier:
mindat:1:2:38251:8
GUID (UUID V4):
bd63b386-96c5-46d0-898f-184bb28e96bb
The Notch Peak mining district lies in the House Range of central Millard County about 45 mi west of Delta. Placer gold was the initial mineral discovery in the Notch Peak district in the early 1930s and W skarns were located in the 1940s. The district is a small Au-W producer. Total district metal production at modern metal prices is estimated at $1.3 million. The Amasa Valley placer and the Klondike and Scheelite Queen W mines were the largest producers and the gold placer operation is still intermittently productive.
The House Range is a large north-trending range in the eastern Basin and Range Province. The Notch Peak district is centered on the large (7.4 sq mi) Jurassic (~163 Ma) Notch Peak quartz monzonite stock/laccolith. The stock is light gray, coarsely crystalline, porphyritic, and ranges from diopside monzonite to biotite granite. Late, small aplitic and fine-grained granophyric dikes and sills intrude the stock and adjacent Middle and Upper Cambrian carbonate strata. The stock is surrounded by a broad contact metamorphic halo. The thermal metamorphic halo is roughly a mile wide and generally follows the intrusive contact except for a distinct projection to the north encompassing the Brown Queen W mine (USGS Model 14a). It has been suggested that a dike or sill may underlie this prong of alteration at moderate depth. This idea is supported by an aeromagnetic anomaly which broadly mimics the extension of the alteration to the north (Stoeser and others, 1990).
The House Range is a large north-trending range in the eastern Basin and Range Province. The Notch Peak district is centered on the large (7.4 sq mi) Jurassic (~163 Ma) Notch Peak quartz monzonite stock/laccolith. The stock is light gray, coarsely crystalline, porphyritic, and ranges from diopside monzonite to biotite granite. Late, small aplitic and fine-grained granophyric dikes and sills intrude the stock and adjacent Middle and Upper Cambrian carbonate strata. The stock is surrounded by a broad contact metamorphic halo. The thermal metamorphic halo is roughly a mile wide and generally follows the intrusive contact except for a distinct projection to the north encompassing the Brown Queen W mine (USGS Model 14a). It has been suggested that a dike or sill may underlie this prong of alteration at moderate depth. This idea is supported by an aeromagnetic anomaly which broadly mimics the extension of the alteration to the north (Stoeser and others, 1990).
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Rock Types Recorded
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Alphabetical List Tree DiagramDetailed Mineral List:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements | |||
---|---|---|---|
β | Gold | 1.AA.05 | Au |
Group 2 - Sulphides and Sulfosalts | |||
β | Chalcopyrite | 2.CB.10a | CuFeS2 |
β | Molybdenite | 2.EA.30 | MoS2 |
β | Pyrite | 2.EB.05a | FeS2 |
Group 4 - Oxides and Hydroxides | |||
β | Ilmenite | 4.CB.05 | Fe2+TiO3 |
β | Quartz | 4.DA.05 | SiO2 |
β | Rutile | 4.DB.05 | TiO2 |
Group 5 - Nitrates and Carbonates | |||
β | Calcite | 5.AB.05 | CaCO3 |
β | Dolomite | 5.AB.10 | CaMg(CO3)2 |
Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
β | Scheelite | 7.GA.05 | Ca(WO4) |
β | Powellite | 7.GA.05 | Ca(MoO4) |
Group 9 - Silicates | |||
β | Grossular | 9.AD.25 | Ca3Al2(SiO4)3 |
β | Zircon | 9.AD.30 | Zr(SiO4) |
β | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
β | Vesuvianite | 9.BG.35 | Ca19Fe3+Al4(Al6Mg2)(β»4)β»[Si2O7]4[(SiO4)10]O(OH)9 |
β | Diopside | 9.DA.15 | CaMgSi2O6 |
β | Hedenbergite | 9.DA.15 | CaFe2+Si2O6 |
β | Tremolite | 9.DE.10 | β»Ca2Mg5(Si8O22)(OH)2 |
β | Wollastonite | 9.DG.05 | Ca3(Si3O9) |
β | Orthoclase | 9.FA.30 | K(AlSi3O8) |
β | Microcline | 9.FA.30 | K(AlSi3O8) |
β | Albite | 9.FA.35 | Na(AlSi3O8) |
β | var. Oligoclase | 9.FA.35 | (Na,Ca)[Al(Si,Al)Si2O8] |
Unclassified | |||
β | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
β | 'Chlorite Group' | - | |
β | 'Scapolite' | - | |
β | 'Hornblende Root Name Group' | - | β»Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
β | 'K Feldspar' | - | |
β | 'Garnet Group' | - | X3Z2(SiO4)3 |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
H | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
H | β Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
H | β Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
H | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
C | Carbon | |
C | β Calcite | CaCO3 |
C | β Dolomite | CaMg(CO3)2 |
O | Oxygen | |
O | β Albite | Na(AlSi3O8) |
O | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
O | β Calcite | CaCO3 |
O | β Diopside | CaMgSi2O6 |
O | β Dolomite | CaMg(CO3)2 |
O | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
O | β Grossular | Ca3Al2(SiO4)3 |
O | β Hedenbergite | CaFe2+Si2O6 |
O | β Ilmenite | Fe2+TiO3 |
O | β Microcline | K(AlSi3O8) |
O | β Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
O | β Orthoclase | K(AlSi3O8) |
O | β Powellite | Ca(MoO4) |
O | β Quartz | SiO2 |
O | β Rutile | TiO2 |
O | β Scheelite | Ca(WO4) |
O | β Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
O | β Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
O | β Wollastonite | Ca3(Si3O9) |
O | β Zircon | Zr(SiO4) |
O | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
O | β Garnet Group | X3Z2(SiO4)3 |
F | Fluorine | |
F | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
F | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Na | Sodium | |
Na | β Albite | Na(AlSi3O8) |
Na | β Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
Mg | Magnesium | |
Mg | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Mg | β Diopside | CaMgSi2O6 |
Mg | β Dolomite | CaMg(CO3)2 |
Mg | β Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
Mg | β Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
Al | Aluminium | |
Al | β Albite | Na(AlSi3O8) |
Al | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Al | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
Al | β Grossular | Ca3Al2(SiO4)3 |
Al | β Microcline | K(AlSi3O8) |
Al | β Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
Al | β Orthoclase | K(AlSi3O8) |
Al | β Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
Al | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Si | Silicon | |
Si | β Albite | Na(AlSi3O8) |
Si | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Si | β Diopside | CaMgSi2O6 |
Si | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
Si | β Grossular | Ca3Al2(SiO4)3 |
Si | β Hedenbergite | CaFe2+Si2O6 |
Si | β Microcline | K(AlSi3O8) |
Si | β Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
Si | β Orthoclase | K(AlSi3O8) |
Si | β Quartz | SiO2 |
Si | β Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
Si | β Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
Si | β Wollastonite | Ca3(Si3O9) |
Si | β Zircon | Zr(SiO4) |
Si | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Si | β Garnet Group | X3Z2(SiO4)3 |
S | Sulfur | |
S | β Chalcopyrite | CuFeS2 |
S | β Molybdenite | MoS2 |
S | β Pyrite | FeS2 |
Cl | Chlorine | |
Cl | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
K | Potassium | |
K | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
K | β Microcline | K(AlSi3O8) |
K | β Orthoclase | K(AlSi3O8) |
Ca | Calcium | |
Ca | β Calcite | CaCO3 |
Ca | β Diopside | CaMgSi2O6 |
Ca | β Dolomite | CaMg(CO3)2 |
Ca | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
Ca | β Grossular | Ca3Al2(SiO4)3 |
Ca | β Hedenbergite | CaFe2+Si2O6 |
Ca | β Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
Ca | β Powellite | Ca(MoO4) |
Ca | β Scheelite | Ca(WO4) |
Ca | β Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
Ca | β Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
Ca | β Wollastonite | Ca3(Si3O9) |
Ca | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Ti | Titanium | |
Ti | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Ti | β Ilmenite | Fe2+TiO3 |
Ti | β Rutile | TiO2 |
Fe | Iron | |
Fe | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Fe | β Chalcopyrite | CuFeS2 |
Fe | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
Fe | β Hedenbergite | CaFe2+Si2O6 |
Fe | β Ilmenite | Fe2+TiO3 |
Fe | β Pyrite | FeS2 |
Fe | β Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
Cu | Copper | |
Cu | β Chalcopyrite | CuFeS2 |
Zr | Zirconium | |
Zr | β Zircon | Zr(SiO4) |
Mo | Molybdenum | |
Mo | β Molybdenite | MoS2 |
Mo | β Powellite | Ca(MoO4) |
W | Tungsten | |
W | β Scheelite | Ca(WO4) |
Au | Gold | |
Au | β Gold | Au |
Fossils
There are 1 fossil localities from the PaleoBioDB database within this region.BETA TEST - These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.
Occurrences | 2 | ||||||
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Youngest Fossil Listed | 499 Ma (Cambrian) | ||||||
Oldest Fossil Listed | 513 Ma (Cambrian) | ||||||
Stratigraphic Units |
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Fossils from Region | Click here to show the list. | ||||||
Fossil Localities | Click to show 1 fossil locality |
Other Databases
Link to USGS MRDS: | 10008460 |
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Localities in this Region
- Utah
- Millard County
Other Regions, Features and Areas that Intersect
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mojave DomainDomain
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Notch Peak Mining District, Millard County, Utah, USA