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Lucas Canyon Quarry, Lucas Canyon, Coto de Caza, Santa Ana Mts, Orange Co., California, USAi
Regional Level Types
Lucas Canyon QuarryQuarry
Lucas CanyonCanyon
Coto de Caza- not defined -
Santa Ana MtsMountain Range
Orange Co.County
CaliforniaState
USACountry

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Latitude & Longitude (WGS84):
33° 34' 1'' North , 117° 31' 1'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Coto De Caza14,866 (2011)7.7km
Las Flores5,971 (2011)10.4km
Ladera Ranch22,980 (2011)11.0km
Rancho Santa Margarita49,324 (2017)11.4km
Trabuco Canyon3,000 (2014)12.6km


A former crushed stone-granite quarry located .

Regions containing this locality

Pacific OceanOcean
Pacific PlateTectonic Plate
No minerals currently recorded for this locality.

List of minerals for each chemical element

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 - Early Cretaceous
66 - 145 Ma



ID: 2890022
Cretaceous marine rocks (in part nonmarine), unit 1 (Coast Ranges)

Age: Cretaceous (66 - 145 Ma)

Stratigraphic Name: Berryessa Formation; Del Valle Formation; Niles Canyon Formation; Oakland Conglomerate; Trabuco Formation

Description: Undivided Cretaceous sandstone, shale, and conglomerate; minor nonmarine rocks in Peninsular Ranges

Comments: Coast Ranges (primarily in San Jose area) and Peninsular Ranges. Primarily mudstone, siltstone, and sandstone except in Peninsular Ranges, where conglomerate is predominant Original map source: Saucedo, G.J., Bedford, D.R., Raines, G.L., Miller, R.J., and Wentworth, C.M., 2000, GIS Data for the Geologic Map of California, California Department of Conservation, Division of Mines and Geology, CD-ROM 2000-07, scale 1:750,000.

Lithology: Major:{siltstone mudstone}, Minor:{sandstone,conglomerate}

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]

Cretaceous
66 - 145 Ma



ID: 3186295
Mesozoic intrusive rocks

Age: Cretaceous (66 - 145 Ma)

Lithology: Intrusive igneous rocks

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]

Late Cretaceous
66 - 100.5 Ma



ID: 2253157
Trabuco Formation

Age: Late Cretaceous (66 - 100.5 Ma)

Stratigraphic Name: Trabuco Formation

Description: Unfossiliferous, mainly brown to maroon, massive, nonmarine conglomerate with local sandstone and siltstone beds (Popenoe, 1941). Packard (1916) named Trabuco Formation for exposures in Harding Canyon, 4.8 km north of Trabuco Canyon in northern Santa Ana Mountains. Clasts, up to 1 m in diameter, but mostly range from 8 to 15 cm. Locally derived from Cretaceous Peninsular Ranges batholith, Cretaceous Santiago Peak Volcanics, and from meta-siltstone and sandstone of Jurassic Bedford Canyon Formation. Trabuco Formation rests unconformably on Santiago Peak Volcanics and Bedford Canyon Formation. Locally subdivided into upper unit (Ktru), consisting of reddish-brown, thoroughly weathered bouldery conglomerate, and lower unit (Ktrl) consisting of light brownish-gray fanglomerate. Clast size larger in lower unit where largest clasts are as much as 2.4 m across

Reference: Morton, D.M., F.K. Miller . Geologic Map of the San Bernardino and Santa Ana 30' x 60' quadrangles, California. U.S. Geological Survey Open-File Report 2006-1217. [42]

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
California Division of Mines and Geology (1990), Mines and mineral producers active in California (1988-89), California Department of Conservation, Division of Mines and Geology, Special Publication 103.
USGS Canada Gobernador 7.5 minute topo map.


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