Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Coast Ranges, Yolo County, California, USAi
Regional Level Types
Coast Ranges- not defined -
Yolo CountyCounty
CaliforniaState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearchMineralogy
Latitude & Longitude (WGS84):
38° North , 121° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~52km
Mindat Locality ID:
245523
Long-form identifier:
mindat:1:2:245523:8
GUID (UUID V4):
0


No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

10 valid minerals.

Detailed Mineral List:

โ“˜ 'Aragotite'
Formula: (C,H)
โ“˜ Calcite
Formula: CaCO3
โ“˜ Cinnabar
Formula: HgS
Description: Occurs as veinlets and disseminations in silica-carbonate rock near gouge of the fault zone.
โ“˜ Dolomite
Formula: CaMg(CO3)2
โ“˜ Hercynite
Formula: Fe2+Al2O4
โ“˜ Hercynite var. Picotite
Formula: (Fe,Mg)(Al,Cr)2O4
โ“˜ Idrialite
Formula: C22H14
โ“˜ Magnetite
Formula: Fe2+Fe3+2O4
โ“˜ Marcasite
Formula: FeS2
โ“˜ Metacinnabar
Formula: HgS
Description: Occurs as massive and crystalline material. Abundant in the early days of mining here (1870-1880) as the principal ore mineral.
โ“˜ Native Sulphur
Formula: S8
โ“˜ 'Opalite'
โ“˜ 'Petroleum'
Description: Occurs as a dark, heavy oil.
โ“˜ Pyrite
Formula: FeS2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
โ“˜Native Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
โ“˜Metacinnabar2.CB.05aHgS
โ“˜Cinnabar2.CD.15aHgS
โ“˜Pyrite2.EB.05aFeS2
โ“˜Marcasite2.EB.10aFeS2
Group 4 - Oxides and Hydroxides
โ“˜Hercynite4.BB.05Fe2+Al2O4
โ“˜Magnetite4.BB.05Fe2+Fe3+2O4
โ“˜Hercynite
var. Picotite
4.BB.05(Fe,Mg)(Al,Cr)2O4
Group 5 - Nitrates and Carbonates
โ“˜Calcite5.AB.05CaCO3
โ“˜Dolomite5.AB.10CaMg(CO3)2
Group 10 - Organic Compounds
โ“˜Idrialite10.BA.20C22H14
Unclassified
โ“˜'Aragotite'-(C,H)
โ“˜'Opalite'-
โ“˜'Petroleum'-

List of minerals for each chemical element

HHydrogen
Hโ“˜ Aragotite(C,H)
Hโ“˜ IdrialiteC22H14
CCarbon
Cโ“˜ Aragotite(C,H)
Cโ“˜ CalciteCaCO3
Cโ“˜ DolomiteCaMg(CO3)2
Cโ“˜ IdrialiteC22H14
OOxygen
Oโ“˜ CalciteCaCO3
Oโ“˜ DolomiteCaMg(CO3)2
Oโ“˜ HercyniteFe2+Al2O4
Oโ“˜ MagnetiteFe2+Fe23+O4
Oโ“˜ Hercynite var. Picotite(Fe,Mg)(Al,Cr)2O4
MgMagnesium
Mgโ“˜ DolomiteCaMg(CO3)2
Mgโ“˜ Hercynite var. Picotite(Fe,Mg)(Al,Cr)2O4
AlAluminium
Alโ“˜ HercyniteFe2+Al2O4
Alโ“˜ Hercynite var. Picotite(Fe,Mg)(Al,Cr)2O4
SSulfur
Sโ“˜ CinnabarHgS
Sโ“˜ MarcasiteFeS2
Sโ“˜ MetacinnabarHgS
Sโ“˜ PyriteFeS2
Sโ“˜ Native SulphurS8
CaCalcium
Caโ“˜ CalciteCaCO3
Caโ“˜ DolomiteCaMg(CO3)2
CrChromium
Crโ“˜ Hercynite var. Picotite(Fe,Mg)(Al,Cr)2O4
FeIron
Feโ“˜ HercyniteFe2+Al2O4
Feโ“˜ MagnetiteFe2+Fe23+O4
Feโ“˜ MarcasiteFeS2
Feโ“˜ PyriteFeS2
Feโ“˜ Hercynite var. Picotite(Fe,Mg)(Al,Cr)2O4
HgMercury
Hgโ“˜ CinnabarHgS
Hgโ“˜ MetacinnabarHgS

Localities in this Region

Other Regions, Features and Areas containing this locality


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.
 
and/or  
Mindat.orgยฎ is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindatยฎ and mindat.orgยฎ are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are ยฉ OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833โ€“844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: October 15, 2026 04:49:39 Page updated: July 27, 2026 05:22:18
Go to top of page