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Arapaho Peaks, Boulder Co., Colorado, USA

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Arapahoe Peaks ca. 1911

Arapaho Peaks, Boulder Co., Colorado, USA
Arapahoe Peaks ca. 1911

Arapaho Peaks, Boulder Co., Colorado, USA
Arapahoe Peaks ca. 1911

Arapaho Peaks, Boulder Co., Colorado, USA
Latitude & Longitude (WGS84): 40° 1' 35'' North , 105° 39' 0'' West
Latitude & Longitude (decimal): 40.02665,-105.65000
GeoHash:G#: 9xhgeysh0
Locality type:Group of Peaks
KΓΆppen climate type:Dfc : Subarctic climate


Greisen

The location marker is on North Arapaho Peak. South Arapaho Peak is about .5 miles due south.

Regions containing this locality

Rocky Mountains, North America

Mountain Range - 2,037 mineral species & varietal names listed

Select Mineral List Type

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

2 valid minerals.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜'Gold'1.AA.05Au
Group 4 - Oxides and Hydroxides
β“˜'Cassiterite'4.DB.05SnO2

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
β“˜Gold1.1.1.1Au
Group 4 - SIMPLE OXIDES
AX2
β“˜Cassiterite4.4.1.5SnO2

List of minerals for each chemical element

OOxygen
Oβ“˜ CassiteriteSnO2
SnTin
Snβ“˜ CassiteriteSnO2
AuGold
Auβ“˜ GoldAu

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

Paleoproterozoic
1600 - 2500 Ma



ID: 2957947
Biotitic gneiss, schist, and migmatite

Age: Proterozoic (1600 - 2500 Ma)

Description: Locally contains minor hornblende gneiss, calc-silicate rock, quartzite, and marble. Derived principally from sedimentary rocks

Lithology: Major:{biotite gneiss,schist,migmatite}, Minor:{gneiss,calc silicate schist,marble}

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]

Paleoproterozoic
1600 - 2500 Ma



ID: 3186950
Paleoproterozoic crystalline metamorphic rocks

Age: Proterozoic (1600 - 2500 Ma)

Lithology: Orthogneiss/paragneiss

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]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

Localities in this Region
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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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