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Fiber Queen Mine, Schoolhouse Canyon, San Gabriel Mts, Los Angeles Co., California, USA

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Latitude & Longitude (WGS84): 34° 20' 32'' North , 118° 27' 28'' West
Latitude & Longitude (decimal): 34.34222,-118.45778
Köppen climate type:Csb : Warm-summer Mediterranean climate


A former asbestos mine located in the center S½ sec. 16, T3N, R15W, SBM, N of the Sylmar neighborhood of the San Fernando region of the city of Los Angeles.

Mineralization is a metamorphic deposit hosted in rocks of the Pucara Formation (schist, metasedimentary rock).

Production data are found in: Oakeshott (1958).


Mineral List


3 valid minerals.

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



ID: 2828931
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]

Jurassic - Triassic
145 - 252.17 Ma



ID: 2666573
Diorite gneiss

Age: Mesozoic (145 - 252.17 Ma)

Description: Dark gneiss including metadiorite, massive hornblende diorite, and amphibolite and biotite schist; intrudes the Placerita Formation and intruded by Cretaceous granitic rocks. (Condor Peak, Sunland, San Fernando and Burbank 7.5’ quadrangles; Oakeshott, 1958)

Reference: Alvarez, R.M. and K.R. Bovard. Preliminary Geologic Map of the Los Angeles 30' x 60' Quadrangle, Southern California. U.S. Geological Survey Open-File Report 2005-1019. [112]

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

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology: 50: No. 104, p. 650.
Oakeshott, Gordon Blaisdell (1958) Geology and mineral deposits of San Fernando quadrangle, Los Angeles County, California. California Division of Mines Bulletin 172, 147 pp.
Sharp, W.E. (1959) Minerals from Los Angeles County, California. Printed privately, Los Angeles, California: 26.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 215, 422.

 
Mineral and/or Locality  
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