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Quartz Mountain Gold Deposit (Fremont; Quartz Mountain Property), Quartz Mountain, Lake Co., Oregon, USA

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Latitude & Longitude (WGS84): 42° 19' 19'' North , 120° 47' 33'' West
Latitude & Longitude (decimal): 42.3219444444, -120.7925


REF:Analytical Data:: HOLLISTER AND JENNINGS, 1993
Deposit:: HOLLISTER, V.F., AND JENNINGS, D.S., 1993, RELATIONSHIP BETWEEN LOW-GRADE GOLD DISSEMINATIONS AND HIGH-GRADE VEINS IN THE QUARTZ MOUNTAIN DISTRICT, OREGON: NONRENEWABLE RESOURCES, V. 2, NO. 4, P.
Deposit:: EPLER, B, 1987, OREGON GOLD RESERVES GETTING BIGGER AND
Deposit:: BETTER SAY PARTNERS: ROCKY MOUNTAIN PAY DIRT (BISBEE, AZ), P. 16A.
Deposit:: QUARTZ MOUNTAIN: ROCKY MOUNTAIN PAY DIRT (BISBEE, AZ), P. 3A-4A.
Commodities (Major) - Mercury, Gold; (Minor) - Silver; (Trace) - Copper, Antimony, Lead, Arsenic
Development Status: Prospect
Deposit Model: 104: Hot-spring Au-Ag
Structure: N 50 W Trending Mcloughlin Fracture Zone
Host Rock: Rhyolite, Tuff, Basalt
Tectonic Structure: Basin And Range

Mineral List


15 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!

Select Rock List Type

Alphabetical List Tree Diagram

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

Pliocene - Miocene
2.588 - 23.03 Ma
Early Winema Volcanic Field

Age: Neogene (2.588 - 23.03 Ma)

Description: Rocks of strato-volcanoes and domes, flows rhyodacitic; lava flows; rhyodacite; rhyodacite

Lithology: Major:: {rhyodacite flows}

Reference: R.L. Smith, W.P. Roe (compilers). Oregon Geologic Data Compilation, release 6. State of Oregon Department of Geology and Mineral Industries. [20]

Pliocene - Eocene
2.588 - 56 Ma
Silicic vent rocks

Age: Cenozoic (2.588 - 56 Ma)

Stratigraphic Name: Westfall Butte Volcanics

Description: Plugs and domal complexes of rhyolitic, rhyodacitic, and dacitic composition; includes related near-vent flows, flow breccia, and deposits of obsidian, perlite, and pumice. Locally includes resurgent domes related to caldera complexes. In southeast Oregon many domal complexes younger than 11 Ma exhibit a well-defined southeast to northwest age progression (Walker, 1974; MacLeod and others, 1976) from about 11 Ma to less than 1 Ma

Comments: The rhyolitic domal complexes become younger toward the northwest. Includes volcanics of Westfall Butte (OR148), which contains basalt, and rhyolite of Star Mountain (OR149).

Lithology: Major:{rhyolite,dacite}

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]

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



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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