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Dumbell Nos. 1 and 2 (Dumbell Mine; G.S. Nos. 3-5 claims), Martinez Mountain, Santa Rosa Mts, Riverside Co., California, USA

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Latitude & Longitude (WGS84): 33° 28' 41'' North , 116° 18' 35'' West
Latitude & Longitude (decimal): 33.4783325195, -116.309997559


A W occurrence/group of claims located in sec. 13, T8S, R6E, SBM, 9.4 km (5.8 miles) SSE of Martinez Mountain (coordinates of record) and 11.8 km (7.3 miles) ESE of Toro Peak (coordinates of record). MRDS database stated accuracy for this location is 1,000 meters.

Local rocks include pre-Cenozoic granitic and metamorphic rocks undivided.

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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

Late Cretaceous - Paleoproterozoic
66 - 2500 Ma
pre-Cenozoic granitic and metamorphic rocks undivided

Age: to Cretaceous (66 - 2500 Ma)

Stratigraphic Name: Ash Mountain Complex; Placerita Formation; Sur Series

Description: Granitic and metamorphic rocks, mostly gneiss and other metamorphic rocks injected by granitic rocks. Mesozoic to Precambrian.

Comments: Southern California, Mojave Desert, Sierra Nevada, central California Coast Ranges

Lithology: Major:{plutonic,gneiss}, Incidental:{metasedimentary, metavolcanic}

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.

References

California Division of Mines and Geology Open-File Report 77-14 (1977): tabulated list, p. 347.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10164340.

U.S. Bureau of Mines Minerals Availability System/Mineral Industry Location System (MAS/MILS): file #0060650151.

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