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Reef Point, Newport Beach, Orange Co., California, USA

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Latitude & Longitude (WGS84): 33° 34' 7'' North , 117° 49' 43'' West
Latitude & Longitude (decimal): 33.56880,-117.82870
Köppen climate type:Csa : Hot-summer Mediterranean climate


Link to the Mindat article

Mineral List


2 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

Quaternary
0 - 2.588 Ma



ID: 2243290
Old paralic deposits, Unit 2

Age: Pleistocene (0 - 2.588 Ma)

Description: Paralic deposits consisting of poorly sorted, moderately permeable, reddish-brown, interfingered strandline, beach, estuarine and colluvial deposits composed of silt, sand and cobbles. These deposits rest on the 55m Parry Grove terrace. Age about 413,000 years

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]

Pliocene - Oligocene
2.588 - 33.9 Ma



ID: 2815657
Miocene marine rocks

Age: Cenozoic (2.588 - 33.9 Ma)

Stratigraphic Name: Agua Sandstone Member; Alferitz Formation; Altamira Shale Member; Antelope Shale Member; Big Blue Serpentinous Member; Branch Canyon Formation; Briones Formation; Button Bed Sandstone Member; Capistrano Formation; Carneros Sandstone Member; Castaic Formation; Cierbo Sandstone; Claremont Shale; Devilwater Silt-Gould Shale Member; Escudo Sandstone; Fish Creek Gypsum Member; Freeman Silt; Gallaway Beds; Hambre Sandstone; Hannah Formation; Hercules Shale Member; Jewett Sand; La Vida Member; Malaga Mudstone Member; McDonald Shale; McLure Shale Member; Media Shale Member; Modelo Formation; Monterey Formation; Neroly Formation; Olcese Sand; Oso Member; Oursan Sandstone; Painted Rock Sandstone Member; Pismo Formation; Pleito Formation; Point Arena Beds; Point Sal Formation; Puente Formation; Pullen Formation; Quail Lake Formation; Reef Ridge Shale; Rincon Shale; Rodeo Shale; Round Mountain Silt; Salinas Shale; Salt Creek Shale Member; Saltos Shale Member; Sandholdt Shale; San Onofre Breccia; San Pablo Group; Santa Margarita Formation; Santos Shale Member; Sisquoc Formation; Sobrante Sandstone; Soda Lake Sandstone Member; Soda Lake Shale Member; Soquel Member Split Mountain Formation; Sycamore Canyon Member; Temblor Formation; Tequepis Sandstone; Tice Shale; Topanga Formation; Twisselman Sandstone Member; Valmonte Diatomite Member; Vaqueros Formation; Vedder Sand; Whiterock Bluff Shale Member; Wimer Formation; Yorba Member

Description: Sandstone, shale, siltstone, conglomerate and breccia; in part Pliocene and Oligocene.

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

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

Housley, R. (2013), Eleven New Melanophlogite Pseudomorph Occurrences in Southern California, Mindat.org article 1772.
Anderson, J. E. (2003), Melanophlogite and its Chalcedony Pseudomorphs: A New California Location and its Unique Formational Occurrence, Mineral News 19: 1-9.

 
Mineral and/or Locality  
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