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Southern Powder River Basin Mining District, Converse Co., Wyoming, USAi
Regional Level Types
Southern Powder River Basin Mining DistrictMining District
Converse Co.County
WyomingState
USACountry

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Key
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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 42° North , 105° West (est.)
Margin of Error:~77km
Locality type:Mining District
Köppen climate type:BSk : Cold semi-arid (steppe) climate


Monument Hill area (T. 35-39 N., R. 71-74 W.), 30 miles N of Glenrock; sedimentary "roll-front" uranium deposits within sandstones of the Eocene Wasatch Formation; some of the mines were operated by Jenkins and Hand, Loma Uranium Corp., Vern Mrak, Western Nuclear, & Susquehanna-Western. Rocks & Minerals 76:385

Regions containing this locality

North America PlateTectonic Plate

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Standard Detailed Strunz Dana 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

12 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!

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

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Alphabetical List Tree Diagram

Detailed Mineral List:

Autunite
Formula: Ca(UO2)2(PO4)2 · 11H2O
Reference: Rocks & Minerals 76:385
Calcite
Formula: CaCO3
Carnotite
Formula: K2(UO2)2(VO4)2 · 3H2O
Reference: Rocks & Minerals 76:385
Coffinite
Formula: U(SiO4) · nH2O
Reference: Rocks & Minerals 76:385
Ferroselite
Formula: FeSe2
Reference: USGS Prof Paper 550C ppC133-C137
'Gummite'
Reference: Rocks & Minerals 76:385
Liebigite
Formula: Ca2(UO2)(CO3)3 · 11H2O
Reference: Rocks & Minerals 76:385
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Pyrite
Formula: FeS2
Schröckingerite
Formula: NaCa3(UO2)(CO3)3(SO4)F · 10H2O
Reference: Rocks & Minerals 76:385
Tyuyamunite
Formula: Ca(UO2)2(VO4)2 · 5-8H2O
Reference: Rocks & Minerals 76:385
Uraninite
Formula: UO2
Localities: Reported from at least 8 localities in this region.
Uraninite var: Pitchblende
Formula: UO2
Reference: Rocks & Minerals 76:385
Uranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O
Reference: Rocks & Minerals 76:385

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Ferroselite2.EB.10aFeSe2
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Carnotite4.HB.05K2(UO2)2(VO4)2 · 3H2O
Tyuyamunite4.HB.25Ca(UO2)2(VO4)2 · 5-8H2O
Uraninite4.DL.05UO2
var: Pitchblende4.DL.05UO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Liebigite5.ED.20Ca2(UO2)(CO3)3 · 11H2O
Schröckingerite5.EG.05NaCa3(UO2)(CO3)3(SO4)F · 10H2O
Group 8 - Phosphates, Arsenates and Vanadates
Autunite8.EB.05Ca(UO2)2(PO4)2 · 11H2O
Group 9 - Silicates
Coffinite9.AD.30U(SiO4) · nH2O
Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Uranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
Unclassified Minerals, Rocks, etc.
'Gummite'-
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Ferroselite2.12.2.2FeSe2
Pyrite2.12.1.1FeS2
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 15 - HYDRATED NORMAL CARBONATES
AmBn(XO3)p·xH2O, with (m+n):p = 1:1
Liebigite15.3.2.1Ca2(UO2)(CO3)3 · 11H2O
Group 17 - COMPOUND CARBONATES
Miscellaneous
Schröckingerite17.1.5.1NaCa3(UO2)(CO3)3(SO4)F · 10H2O
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Autunite40.2a.1.1Ca(UO2)2(PO4)2 · 11H2O
Carnotite40.2a.28.1K2(UO2)2(VO4)2 · 3H2O
Tyuyamunite40.2a.26.1Ca(UO2)2(VO4)2 · 5-8H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Coffinite51.5.2.4U(SiO4) · nH2O
Group 53 - NESOSILICATES Insular SiO4 Groups and Other Anions or Complex Cations
Insular SiO4 Groups and Other Anions of Complex Cations with (UO2)
Uranophane53.3.1.2Ca(UO2)2(SiO3OH)2 · 5H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 clays
Montmorillonite71.3.1a.2(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Unclassified Minerals, Mixtures, etc.
'Gummite'-
'Limonite'-(Fe,O,OH,H2O)
Uraninite
var: Pitchblende
-UO2

List of minerals for each chemical element

HHydrogen
H AutuniteCa(UO2)2(PO4)2 · 11H2O
H CarnotiteK2(UO2)2(VO4)2 · 3H2O
H CoffiniteU(SiO4) · nH2O
H LiebigiteCa2(UO2)(CO3)3 · 11H2O
H SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
H TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
H UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
H Limonite(Fe,O,OH,H2O)
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
CCarbon
C LiebigiteCa2(UO2)(CO3)3 · 11H2O
C SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
C CalciteCaCO3
OOxygen
O AutuniteCa(UO2)2(PO4)2 · 11H2O
O CarnotiteK2(UO2)2(VO4)2 · 3H2O
O CoffiniteU(SiO4) · nH2O
O LiebigiteCa2(UO2)(CO3)3 · 11H2O
O SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
O TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
O UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
O Uraninite (var: Pitchblende)UO2
O UraniniteUO2
O CalciteCaCO3
O Limonite(Fe,O,OH,H2O)
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
FFluorine
F SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
NaSodium
Na SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MgMagnesium
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
AlAluminium
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
SiSilicon
Si CoffiniteU(SiO4) · nH2O
Si UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
PPhosphorus
P AutuniteCa(UO2)2(PO4)2 · 11H2O
SSulfur
S SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
S PyriteFeS2
KPotassium
K CarnotiteK2(UO2)2(VO4)2 · 3H2O
CaCalcium
Ca AutuniteCa(UO2)2(PO4)2 · 11H2O
Ca LiebigiteCa2(UO2)(CO3)3 · 11H2O
Ca SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
Ca TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
Ca UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Ca CalciteCaCO3
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
VVanadium
V CarnotiteK2(UO2)2(VO4)2 · 3H2O
V TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
FeIron
Fe PyriteFeS2
Fe Limonite(Fe,O,OH,H2O)
Fe FerroseliteFeSe2
SeSelenium
Se FerroseliteFeSe2
UUranium
U AutuniteCa(UO2)2(PO4)2 · 11H2O
U CarnotiteK2(UO2)2(VO4)2 · 3H2O
U CoffiniteU(SiO4) · nH2O
U LiebigiteCa2(UO2)(CO3)3 · 11H2O
U SchröckingeriteNaCa3(UO2)(CO3)3(SO4)F · 10H2O
U TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2O
U UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
U Uraninite (var: Pitchblende)UO2
U UraniniteUO2

Localities in this Region
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