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Darby Extension Occurrence (Derby Extension), McKinley Mountain Area, Custer County, Colorado, USAi
Regional Level Types
Darby Extension Occurrence (Derby Extension)Occurrence
McKinley Mountain AreaMineral Occurrence Area
Custer CountyCounty
ColoradoState
USACountry

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Latitude & Longitude (WGS84):
38° 14' 36'' North , 105° 21' 25'' West
Latitude & Longitude (decimal):
38.24333,-105.35694
GeoHash:
G#: 9wv1d9crt
GRN:
N26W60
Type:
Occurrence
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Silver Cliff591 (2017)14.3km
Westcliffe577 (2017)15.4km
Rockvale498 (2017)21.9km
Coal Creek341 (2017)22.4km
Williamsburg656 (2017)23.6km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Canon City Geology ClubCanon City, Colorado24km
Mindat Locality ID:
112135
Long-form identifier:
mindat:1:2:112135:6
GUID (UUID V4):
0


REF:Deposit:: NELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: COLORADO GEOLOGICAL SURVEY BULLETIN 40, P.120
Deposit:: BROCK, M.R. AND SINGEWALD, Q.D., 1968, GEOLOGIC MAP OF THE MOUN
Commodities (Major) - REE, Thorium; (Trace) - Lead, Copper, Barium-Barite
Development Status: Occurrence
Host Rock Unit: Eagle Gulch Latite
Structure: Wet Mountains, Large, Northwest-Trending Dead Mule Gulch Fault; Smaller, Northeast-Trending Fault
Host Rock: Hornblendite, Gneiss, Granite
Tectonic Structure: Central Cordillera (Southern Rocky Mtns)

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


8 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

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
Group 9 - Silicates
ⓘThorite9.AD.30Th(SiO4)
Unclassified
ⓘ'Limonite'-

List of minerals for each chemical element

CCarbon
Cⓘ CalciteCaCO3
Cⓘ SideriteFeCO3
OOxygen
Oⓘ BaryteBaSO4
Oⓘ CalciteCaCO3
Oⓘ QuartzSiO2
Oⓘ SideriteFeCO3
Oⓘ ThoriteTh(SiO4)
SiSilicon
Siⓘ QuartzSiO2
Siⓘ ThoriteTh(SiO4)
SSulfur
Sⓘ BaryteBaSO4
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ PyriteFeS2
CaCalcium
Caⓘ CalciteCaCO3
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ PyriteFeS2
Feⓘ SideriteFeCO3
CuCopper
Cuⓘ ChalcopyriteCuFeS2
BaBarium
Baⓘ BaryteBaSO4
PbLead
Pbⓘ GalenaPbS
ThThorium
Thⓘ ThoriteTh(SiO4)

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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.
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