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L and N Mine, Alunite Ridge, Mount Baldy District, Cottonwood Creek, Tushar Mts, Piute Co., Utah, USAi
Regional Level Types
L and N MineMine
Alunite RidgeRidge
Mount Baldy DistrictMining District
Cottonwood CreekCreek
Tushar MtsMountain Range
Piute Co.County

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Lock Map
Latitude & Longitude (WGS84): 38° 22' 49'' North , 112° 20' 40'' West
Latitude & Longitude (decimal): 38.38053,-112.34467
GeoHash:G#: 9wb47dcng
USGS MRDS Record:10009251
Locality type:Mine
Köppen climate type:Dfb : Warm-summer humid continental climate
Nearest Settlements:
Marysvale407 (2017)12.6km
Junction183 (2017)19.3km
Kingston165 (2017)23.5km
Circleville523 (2017)24.1km
Beaver3,007 (2017)28.3km

Alteration: Kaolinization, Silicification, Alunitization

Commodity: Project 9350 - 01393 alunite resources

Deposit: Most of the altered rock is soft and argillic

Development: Development works made in ww1; property idle since ww2

Rock formation(s): Bullion Canyon Volcanics

Ore(s): Callaghan ( 1938 ) Mentions A Displacement Of Over 150 Ft Along The Zone Of Altered Rock Which Evidently Follows A Fault

Regions containing this locality

North America PlateTectonic Plate

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

3 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:

Formula: KAl3(SO4)2(OH)6
Reference: UGMS Bull 117 Minerals and Mineral Localities of Utah; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Formula: Al2(Si2O5)(OH)4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Group 9 - Silicates

List of minerals arranged by Dana 8th Edition classification

Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si

List of minerals for each chemical element

H AluniteKAl3(SO4)2(OH)6
H DickiteAl2(Si2O5)(OH)4
O AluniteKAl3(SO4)2(OH)6
O QuartzSiO2
O DickiteAl2(Si2O5)(OH)4
Al AluniteKAl3(SO4)2(OH)6
Al DickiteAl2(Si2O5)(OH)4
Si QuartzSiO2
Si DickiteAl2(Si2O5)(OH)4
S AluniteKAl3(SO4)2(OH)6
K AluniteKAl3(SO4)2(OH)6

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

2.588 - 5.333 Ma

ID: 3192312
Cenozoic volcanic rocks

Age: Pliocene (2.588 - 5.333 Ma)

Lithology: Volcanic rocks

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]

Middle Miocene - Chattian
11.62 - 28.1 Ma

ID: 2953338
Miocene volcanic rocks, undivided

Age: Cenozoic (11.62 - 28.1 Ma)

Stratigraphic Name: Topaz Mountain Rhyolite; Joe Lott Tuff; Mount Belknap Volcanics; Osiris Tuff; Mount Dutton Formation

Description: In Western Utah: Quichapa Group and other volcanic rocks (Tmb,Tmr,Tma). In Central Utah: Silver Shield Latite (17 my) and Pinyon Creek Conglomerate.

Comments: This unit mostly in Richfield 2 deg sheet. In the Delta sheet, includes the Topaz Mountain Rhyolite; also many local units Original map source: Hintze, L.F., Willis, G.C., Laes, D.Y.M., Sprinkel, D.A., and Brown, K.D., 2000, Digital Geologic Map of Utah: Utah Geological Survey, Map 179DM, scale 1:500,000.

Lithology: Major:{felsic volcanic}, Incidental:{conglomerate, mafic volcanic}

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


Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Callaghan, E., (1938) , Preliminary Report on the Alunite Deposits of the Marysvale Region, Utah: USGS Bull. 886-d, P. 122 - 123
Callaghan, E., (1973) , Mineral Resource Potential of Piute County, Utah and Adjoining Area: Utah Geol. and Mineralog. Survey Bull. 102 , P. 78 , 80 .
Hild, J. H., (1946) , Exploration of Alunite Deposits, Marysvale, Piute County, Utah: USBM Rept. Inv. 3972 , P. 8 - 9 .
Thoenen, J. R., (1941) , Alunite Resources of the United States: USBM Rept. Inv. 3561 , P. 24 - 25 .
Loughlin, G.F., (1915), Recent Alunite Developments near Marysvale and Beaver, Utah: U.S. Geological Survey Bulletin 620-k, P. 237-270.

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