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Ralston Buttes District, Jefferson Co., Colorado, USA


REF:Deposit:: ADAMS, J.W., AND OTHERS, 1953, URANIUM OCCURRENCES IN THE GOLDEN GATE CANYON AND RALSTON CREEK AREAS, JEFFERSON COUNTY, COLORADO: USGS CIRC. 320.
Deposit:: ADAMS, J.W., AND STUGARD, FREDERICK, JR., 1956, WALL-ROCK CONTROL OF CERTAIN PITHBLENDE
Commodities (Major) - Uranium; (Minor) - Copper, Molybdenum; (Trace) - Cobalt, Nickel, Gold, Bismuth, Manganese, Silver, Zinc, Lead
Development Status: Producer
Host Rock Unit: Idaho Springs Formation-Hornblende Gneiss Unit, Hornblende Diorite And Hornblendite
Structure: Front Range Uplift, Denver Basin, Idaho Springs-Ralston Shear Zone, Rogers, Hurricane Hill, Junction Ranch, And Livingston Fault Systems (Breccia Reefs)
Host Rock: Hornblendite, Gneiss, Pegmatite
Tectonic Structure: Central Cordillera (Southern Rocky Mtns)

Mineral List

Mineral list contains entries from the region specified including sub-localities
Almandine
Andalusite
Ankerite
'Apatite'
Arsenopyrite
Autunite
Azurite
Baryte
Bayleyite
Biotite
Bismuth
Bismuthinite
Bornite
Calcite
Chalcanthite
Chalcocite
Chalcopyrite
'Chlorite Group'
Coffinite
'Copper Stain'
Cordierite
Covellite
Cuprite
Digenite
Dolomite
var: Ferroan Dolomite
Emplectite
Epsomite
'Feldspar Group'
Fluorite
Fourmarierite
Galena
'Garnet'
Glaucodot
Gold
var: Electrum

Graphite
Grunerite
'Gummite'
Gypsum
Hematite
Hexahydrite ?
Johannite
Jordisite
'K Feldspar
var: Adularia'

Liebigite
Limonite
Magnetite
Malachite
Marcasite
Maucherite
Meta-autunite
Metatorbernite
Metazeunerite
Mixite
Molybdenite
Muscovite
var: Sericite

Nickeline
Orthoclase
Pararammelsbergite
Phosphuranylite
Pyrite
Pyrrhotite
Quartz
var: Amethyst
var: Chalcedony
Rammelsbergite
Scheelite
Schröckingerite ?
Siderite
Sillimanite
Silver
Skutterudite
Spessartine
Sphalerite
Staurolite
Stromeyerite
Swartzite
Sylvanite ?
Tennantite
Tenorite
Tetrahedrite
Thorite
var: Uranothorite ?

Torbernite
'Tourmaline'
Uraninite
var: Pitchblende
Uranophane
Uranopilite
Woodwardite
Zeolite Group
Zippeite


113 entries listed. 74 valid minerals.

Localities in this Region

USA
USA

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in Colorado, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: 14th Jul 2011 08:20:11
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