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Union Pacific Shaft Occurrence (Union Pacific Prospect), Ralston Buttes Mining District, Jefferson County, Colorado, USAi
Regional Level Types
Union Pacific Shaft Occurrence (Union Pacific Prospect)Occurrence
Ralston Buttes Mining DistrictMining District
Jefferson CountyCounty
ColoradoState
USACountry

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Latitude & Longitude (WGS84):
39° 46' 13'' North , 105° 15' 57'' West
Latitude & Longitude (decimal):
39.77028,-105.26583
GeoHash:
G#: 9xj4hxgy8
GRN:
N27W59
Type:
Occurrence
KΓΆppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Golden20,330 (2017)4.2km
West Pleasant View3,840 (2011)8.6km
Applewood7,160 (2011)8.9km
Genesee3,609 (2011)9.4km
East Pleasant View356 (2011)10.4km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Mile High Rock and Mineral SocietyArvada, Colorado16km
Colorado Mineral SocietyLakewood, Colorado17km
Denver Gem and Mineral GuildDenver, Colorado24km
Friends of Mineralogy - Colorado Chapter Denver, Colorado24km
Western Interior Paleontological SocietyDenver, Colorado24km
Mindat Locality ID:
114778
Long-form identifier:
mindat:1:2:114778:3
GUID (UUID V4):
b3a56891-93fd-40b4-a64e-f503f56f8de0


REF:Deposit:: NELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: COLORADO GEOL. SURVEY BULL. 40, P. 195
Deposit:: SHERIDAN, DOUGLAS M. AND OTHERS, 1967, GEOLOGY AND URANIUM DEPOSITS OF
Commodities (Major) - Copper, Uranium; (Minor) - Zinc; (Trace) - Silver, Lead, Bismuth
Deposit Type: Vein
Development Status: Occurrence
Host Rock Unit: Twin Spruce Quartz Monzonite
Structure: Hurricane Hill Fault System, Front Range Uplift, Denver Basin
Host Rock: Sedimentary Breccia
Tectonic Structure: Central Cordillera (Southern Rocky Mts.)

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


16 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

Detailed Mineral List:

β“˜ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
β“˜ Azurite
Formula: Cu3(CO3)2(OH)2
β“˜ Bornite
Formula: Cu5FeS4
β“˜ Calcite
Formula: CaCO3
β“˜ Chalcocite
Formula: Cu2S
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ 'Chlorite Group'
β“˜ Covellite
Formula: CuS
β“˜ Emplectite
Formula: CuBiS2
β“˜ Hematite
Formula: Fe2O3
β“˜ 'K Feldspar'
β“˜ 'K Feldspar var. Adularia'
Formula: KAlSi3O8
β“˜ 'Leucoxene'
β“˜ 'Limonite'
β“˜ Malachite
Formula: Cu2(CO3)(OH)2
β“˜ Pyrite
Formula: FeS2
β“˜ Skutterudite
Formula: CoAs3
β“˜ Sphalerite
Formula: ZnS
β“˜ 'Tennantite Subgroup'
Formula: Cu6(Cu4C2+2)As4S12S
β“˜ Tenorite
Formula: CuO
β“˜ Thorite ?
Formula: Th(SiO4)
β“˜ Thorite var. Uranothorite ?
Formula: (Th,U)SiO4
β“˜ Uraninite
Formula: UO2
β“˜ Uraninite var. Pitchblende
Formula: UO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Chalcocite2.BA.05Cu2S
β“˜Bornite2.BA.15Cu5FeS4
β“˜Covellite2.CA.05aCuS
β“˜Sphalerite2.CB.05aZnS
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Pyrite2.EB.05aFeS2
β“˜Skutterudite2.EC.05CoAs3
β“˜'Tennantite Subgroup'2.GB.05Cu6(Cu4C2+2)As4S12S
β“˜Emplectite2.HA.05CuBiS2
Group 4 - Oxides and Hydroxides
β“˜Tenorite4.AB.10CuO
β“˜Hematite4.CB.05Fe2O3
β“˜Uraninite4.DL.05UO2
β“˜var. Pitchblende4.DL.05UO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
β“˜Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
β“˜Azurite5.BA.05Cu3(CO3)2(OH)2
β“˜Malachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
β“˜Thorite ?9.AD.30Th(SiO4)
β“˜var. Uranothorite ?9.AD.30(Th,U)SiO4
Unclassified
β“˜'Leucoxene'-
β“˜'K Feldspar
var. Adularia'		-KAlSi3O8
β“˜'Limonite'-
β“˜'Chlorite Group'-
β“˜'K Feldspar'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ AzuriteCu3(CO3)2(OH)2
Hβ“˜ MalachiteCu2(CO3)(OH)2
CCarbon
Cβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Cβ“˜ AzuriteCu3(CO3)2(OH)2
Cβ“˜ CalciteCaCO3
Cβ“˜ MalachiteCu2(CO3)(OH)2
OOxygen
Oβ“˜ K Feldspar var. AdulariaKAlSi3O8
Oβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Oβ“˜ AzuriteCu3(CO3)2(OH)2
Oβ“˜ CalciteCaCO3
Oβ“˜ HematiteFe2O3
Oβ“˜ MalachiteCu2(CO3)(OH)2
Oβ“˜ Uraninite var. PitchblendeUO2
Oβ“˜ TenoriteCuO
Oβ“˜ ThoriteTh(SiO4)
Oβ“˜ UraniniteUO2
Oβ“˜ Thorite var. Uranothorite(Th,U)SiO4
MgMagnesium
Mgβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
AlAluminium
Alβ“˜ K Feldspar var. AdulariaKAlSi3O8
SiSilicon
Siβ“˜ K Feldspar var. AdulariaKAlSi3O8
Siβ“˜ ThoriteTh(SiO4)
Siβ“˜ Thorite var. Uranothorite(Th,U)SiO4
SSulfur
Sβ“˜ BorniteCu5FeS4
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ ChalcociteCu2S
Sβ“˜ CovelliteCuS
Sβ“˜ EmplectiteCuBiS2
Sβ“˜ PyriteFeS2
Sβ“˜ SphaleriteZnS
Sβ“˜ Tennantite SubgroupCu6(Cu4C22+)As4S12S
KPotassium
Kβ“˜ K Feldspar var. AdulariaKAlSi3O8
CaCalcium
Caβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Caβ“˜ CalciteCaCO3
FeIron
Feβ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Feβ“˜ BorniteCu5FeS4
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ HematiteFe2O3
Feβ“˜ PyriteFeS2
CoCobalt
Coβ“˜ SkutteruditeCoAs3
CuCopper
Cuβ“˜ AzuriteCu3(CO3)2(OH)2
Cuβ“˜ BorniteCu5FeS4
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ ChalcociteCu2S
Cuβ“˜ CovelliteCuS
Cuβ“˜ EmplectiteCuBiS2
Cuβ“˜ MalachiteCu2(CO3)(OH)2
Cuβ“˜ Tennantite SubgroupCu6(Cu4C22+)As4S12S
Cuβ“˜ TenoriteCuO
ZnZinc
Znβ“˜ SphaleriteZnS
AsArsenic
Asβ“˜ SkutteruditeCoAs3
Asβ“˜ Tennantite SubgroupCu6(Cu4C22+)As4S12S
BiBismuth
Biβ“˜ EmplectiteCuBiS2
ThThorium
Thβ“˜ ThoriteTh(SiO4)
Thβ“˜ Thorite var. Uranothorite(Th,U)SiO4
UUranium
Uβ“˜ Uraninite var. PitchblendeUO2
Uβ“˜ UraniniteUO2
Uβ“˜ Thorite var. Uranothorite(Th,U)SiO4

Other Regions, Features and Areas containing this locality

North America
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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

Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300 pp.113-116
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