San Marcos, San Diego Co., California, USAi
| Regional Level Types | |
|---|---|
| San Marcos | - not defined - |
| San Diego Co. | County |
| California | State |
| USA | Country |
| Place | Population | Distance |
|---|---|---|
| San Marcos | 92,931 (2017) | 0.0km |
| Lake San Marcos | 4,437 (2018) | 4.4km |
| Escondido | 151,451 (2017) | 7.9km |
| Vista | 100,890 (2017) | 9.5km |
| Hidden Meadows | 3,485 (2011) | 10.4km |
A city.
Regions containing this locality
| Pacific Ocean | Ocean |
| Pacific Plate | Tectonic Plate |
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
| Holocene - Late Pleistocene 0 - 0.126 Ma ID: 2703077 | Young alluvial flood-plain deposits Age: Pleistocene (0 - 0.126 Ma) Description: Poorly consolidated, poorly sorted, permeable flood- plain deposits of sandy, silty or clay-bearing alluvium. Reference: Kennedy, M.P., and S.S. Tan. digital prep. by Bovard et al. Geologic Map of the Oceanside 30’ x 60’ Quadrangle, California. California Department of Conservation California Geological Survey. [131] |
| 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 - Middle Jurassic 66 - 174.1 Ma ID: 2897782 | Mesozoic granitic rocks, unit 2 (Peninsular Ranges) Age: Mesozoic (66 - 174.1 Ma) Stratigraphic Name: Bonsall Tonalite; Bradley Granodiorite; Cactus Quartz Monzonite; Cajalco Quartz Monzonite; Corona Hornblende Granodiorite Porphyry; Domenigoni Valley Granodiorite; Escondido Creek Leucogranodiorite; Estelle Tonalite; Fargo Canyon Diorite; Green Valley Tonalite; Home Gardens Quartz Monzonite Porphyry; Indian Mountain Leucogranodiorite; Lakeview Mountain Tonalite; Lake Wolford Leucogranodiorite; La Sierra Tonalite; Mount Hole Granodiorite; Rattlesnake Granite; Roblar Leucogranite; San Jacinto Granodiorite; Stonewall Quartz Diorite; Woodson Mountain Granodiorite Description: Mesozoic granite, quartz monzonite, granodiorite, and quartz diorite Comments: Peninsular Ranges. Primarily tonalite, granodiorite, and minor quartz monzonite and granite. Emplacement ages mostly 80 to 105 Ma in eastern part of area and 105 to 140 Ma in western part; minor Jurassic rocks in central part 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:{tonalite}, Minor:{quartz diorite,granodiorite,quartz monzonite}, Incidental:{granite, pegmatite} 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
Localities in this RegionShow map
- California
- San Diego Co.
