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Riverside, Riverside Co., California, USA

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 33° North , 117° West (est.)
Margin of Error:~11km



An incorporated city.

Note: The geographic coordinates presented are taken from the Riverside West topo map (GNIS database preferred). The USGS GNIS database presents 4 sets of coordinates for this city.

Mineral List

Mineral list contains entries from the region specified including sub-localities

26 valid minerals. 1 (TL) - type locality of valid minerals.

Rock Types Recorded

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Rock list contains entries from the region specified including sub-localities

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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

Holocene - Pliocene
0 - 5.333 Ma
Quaternary alluvium and marine deposits

Age: Cenozoic (0 - 5.333 Ma)

Stratigraphic Name: Temescal Formation; Modesto Formation; Victor Formation; Alameda Formation; Aromas Red Sands; Bautista Beds; Brawley Formation; Borrego Formation; Burnt Canyon Breccia; Cabezon Fanglomerate; Campus Formation; Casitas Formation; Chemehuevi Formation; Corcoran Clay; Cushenbury Springs Formation; Dos Picachos Gravels; Dripping Springs Formation; Frazier Mountain Formation; Friant Formation; Harold Formation; Heights Fanglomerate; Hookton Formation (part); Huichica Formation; La Habra Formation; Manix Lake Beds; Mohawk Lake Beds; Montezuma Formation; Nadeau Gravel; Ocotillo Conglomerate; Orcutt Formation; Pacoima Formation; Pauba Formation; Peckham Formation; Pinto Formation; Resting Springs Formation; Riverbank Formation; Rohnerville Formation; San Dimas Formation; Shoemaker Gravel; Temecula Arkose; Battery Formation; Bay Point Formation; Colma Formation; Lindavista Formation; Lomita Marl; Merritt Sand; Millerton Formation; Palos Verdes Sand; San Pedro Formation; Sweitzer Formation; Timms Point Silt

Description: Alluvium, lake, playa, and terrace deposits; unconsolidated and semi-consolidated. Mostly nonmarine, but includes marine deposits near the coast.

Lithology: Major:{coarse alluvium}, Minor:{fine alluvium}

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]

Pleistocene
0.0117 - 2.588 Ma
Old alluvial-fan deposits, Unit 3

Age: Pleistocene (0.0117 - 2.588 Ma)

Description: On south side of San Bernardino Mountains, moderately dissected interstratified sand and gravel capped by soils having Bt horizons a few tens of centimeters thick (Greenfield soils of Woodruff and Brock, 1980). Unit occurs in alluvial fans that flank Yucaipa Ridge and San Bernardino Mountains west of mouth of Mill Creek Canyon. Southeast of Hesperia and east of Arrastre Canyon, unit is reddish- brown in upper meter, grading downward to mediun brown; primarily sand- to boulder-sized clasts; moderately consolidated and variably dissected. Cut by deep canyons, but relatively smooth, undulating, elevated surfaces; commonly ponded against Qvof1. Distinguished primarily by relative overlap relations at fan margins and relative dissection. East and west of Sheep Creek, fans are similar to those southeast of Hesperia, but surfaces are modified by numerous low-relief arroyos. In Santa Ana quadrangle, extensive Qof3 deposits south and southwest of Riverside

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


Localities in this Region


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