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Placer County, California, USAi
Regional Level Types
Placer CountyCounty
CaliforniaState
USACountry

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PhotosMapsSearch
05412050016625286962704.jpg
Gravel-Washing plant, Hidden Treasure Drift Mine, c.1898

Hidden Treasure Mine, Sunny South, Damascus Mining District, Placer County, California, USA
09001920014946246694612.jpg
Hydraulic Placer Mining

Dutch Flat Mining District, Placer County, California, USA
00800930015181926755979.jpg
View of the Auburn gold mining area, ca. 1910.

Salsic Mine, Auburn, Ophir Mining District, Placer County, California, USA
00993190016625286971169.jpg
Gravel-Washing plant, Hidden Treasure Drift Mine, c.1898

Hidden Treasure Mine, Sunny South, Damascus Mining District, Placer County, California, USA
09001920014946246694612.jpg
Hydraulic Placer Mining

Dutch Flat Mining District, Placer County, California, USA
00147400015181883336437.jpg
View of the Auburn gold mining area, ca. 1910.

Salsic Mine, Auburn, Ophir Mining District, Placer County, California, USA
00993190016625286971169.jpg
Gravel-Washing plant, Hidden Treasure Drift Mine, c.1898

Hidden Treasure Mine, Sunny South, Damascus Mining District, Placer County, California, USA
09001920014946246694612.jpg
Hydraulic Placer Mining

Dutch Flat Mining District, Placer County, California, USA
Neighbouring regions:
Douglas County, Nevada, USA
Carson City, Nevada, USA
Nevada County, California, USA
El Dorado County, California, USA
Sacramento County, California, USA
Sutter County, California, USA
Yuba County, California, USA
Washoe County, Nevada, USA
Type:
County
Largest Settlements:
PlacePopulation
Roseville130,269 (2017)
Rocklin61,213 (2017)
Lincoln46,474 (2017)
Granite Bay20,402 (2011)
Auburn13,953 (2017)
North Auburn13,022 (2011)
Clubs in region:
Roseville Rock Rollers (Roseville)
Mindat Locality ID:
7857
Long-form identifier:
mindat:1:2:7857:6
GUID (UUID V4):
955a4400-7875-4d35-9a07-19e554f0b570
Other Languages:
View 33 more...
French:
Comté de Placer, Californie, États-Unis
German:
Placer County, Kalifornien, Vereinigte Staaten
Italian:
Contea di Placer, California, Stati Uniti d'America
Russian:
Плэсер, Калифорния, Соединённые Штаты Америки
Simplified Chinese:
普莱瑟县, 加利福尼亚州, 美国
Spanish:
Condado de Placer, California, Estados Unidos
Albanian:
Placer County, Kalifornia, Shtetet e Bashkuara të Amerikës
Arabic:
مقاطعة بلاسر, كاليفورنيا, الولايات المتحدة
Armenian:
Փլեյսեր շրջան, Կալիֆոռնիա, Ամերիկայի Միացյալ Նահանգներ
Basque:
Placer konderria, Kalifornia
Bavarian:
Placer County, Kalifornien, Vaoanigte Stootn
Bishnupriya Manipuri:
প্লাসের কাউন্টি, ক্যালিফোর্নিয়া, তিলপারাষ্ট্র
Bulgarian:
Плейсър, Калифорния, Съединени американски щати
Cebuano:
Placer County, California
Czech:
Placer County, Kalifornie, Spojené státy americké
Danish:
Placer County, Californien, USA
Dutch:
Placer County, Verenigde Staten
Farsi/Persian:
شهرستان پلاسر، کالیفرنیا, کالیفرنیا, ایالات متحده آمریکا
Hungarian:
Placer megye, Kalifornia, Amerikai Egyesült Államok
Irish Gaelic:
Contae Placer, California, Stáit Aontaithe Mheiriceá
Japanese:
プレイサー郡, カリフォルニア州, アメリカ合衆国
Kapampangan:
Placer County, California, Estados Unidos
Latin:
Placer Comitatus, California, Civitates Foederatae Americae
Limburgian:
Placer County, Californië, Vereinegde Staote vaan Amerika
Low Saxon/Low German:
Placer County, Kalifornien, USA
Malayalam:
പ്ലാസ്സർ കൗണ്ടി, കാലിഫോർണിയ
Norwegian:
Placer County, California, USA
Polish:
Hrabstwo Placer, Kalifornia, Stany Zjednoczone
Portuguese:
Condado de Placer, Califórnia, Estados Unidos
Serbian:
Округ Пласер, Калифорнија, Сједињене Америчке Државе
Serbo-Croatian:
Placer County, Kalifornija, Sjedinjene Američke Države
Swedish:
Placer County, Kalifornien, USA
Tagalog:
Placer County, California, Estados Unidos
Turkish:
Placer County, Kaliforniya, Amerika Birleşik Devletleri
Ukrainian:
Пласер, Каліфорнія, Сполучені Штати Америки
Urdu:
پلیسر کاؤنٹی، کیلیفورنیا, کیلیفورنیا, ریاستہائے متحدہ امریکا
Vietnamese:
Quận Placer, California, Chủng Quốc Hoa Kỳ
Waray:
Condado han Placer, California, Estados Unidos
Western Punjabi:
پلیسر کاؤنٹی, کیلیفورنیا, امریکہ


NOTE: The USGS staff reporter(s) who worked on the localities in this county repeatedly refer to the mine workings as including one or more "tunnel(s)." A tunnel is technically a through openings with 2 portals. In all likelyhood, the majority of these "tunnels" are probably adits (one portal).

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

68 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Acanthite
Formula: Ag2S
ⓘ Albite
Formula: Na(AlSi3O8)
Description: Occurs as fine crystals in vugs.
ⓘ Alunogen
Formula: Al2(SO4)3 · 17H2O
ⓘ 'Amphibole Asbestos'
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
ⓘ Anthophyllite
Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2
Description: Occurs as Na-rich material.
ⓘ Antigorite
Formula: Mg3(Si2O5)(OH)4
ⓘ Arsenopyrite
Formula: FeAsS
ⓘ 'Asbestos'
Localities: Reported from at least 8 localities in this region.
ⓘ 'Axinite Group'
Description: Occurs as massive crystalline material in epidote rock.
ⓘ Azurite
Formula: Cu3(CO3)2(OH)2
ⓘ Brookite
Formula: TiO2
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcanthite
Formula: CuSO4 · 5H2O
ⓘ Chalcocite
Formula: Cu2S
Description: Occurs in small amounts.
ⓘ Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 25 localities in this region.
ⓘ Chlorargyrite
Formula: AgCl
ⓘ 'Chlorite Group'
Localities: Reported from at least 6 localities in this region.
ⓘ Chromite
Formula: Fe2+Cr3+2O4
Localities: Reported from at least 114 localities in this region.
ⓘ Chrysotile
Formula: Mg3(Si2O5)(OH)4
Description: Occurs as broad sheets and long fibers.
ⓘ 'Clay minerals'
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Clinochlore var. Chromium-bearing Clinochlore
Formula: Mg5(Al,Cr)2Si3O10(OH)8
ⓘ Clinochlore var. Pennine
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Cobaltite
Formula: CoAsS
ⓘ Copper
Formula: Cu
ⓘ Coquimbite
Formula: AlFe3(SO4)6(H2O)12 · 6H2O
ⓘ Cuprite
Formula: Cu2O
ⓘ Diamond
Formula: C
Description: Occur in gravels of an early Tertiary channel of the Middle Fork of the American River (40-50 stones). NOTE: Some of these finds occurred N of the El Doroado county line and are also documented there.
ⓘ Diopside
Formula: CaMgSi2O6
Description: Occurs as crystals in cavities.
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Description: Occurs as epidote rock.
ⓘ 'Fayalite-Forsterite Series'
Localities: Reported from at least 9 localities in this region.
ⓘ 'Feldspar Group'
Colour: White
ⓘ Galena
Formula: PbS
Localities: Reported from at least 35 localities in this region.
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Gold
Formula: Au
Localities: Reported from at least 389 localities in this region.
Habit: Crystals and plates
Colour: Gold
ⓘ Gold var. Electrum
Formula: (Au,Ag)
ⓘ Graphite
Formula: C
ⓘ Grossular
Formula: Ca3Al2(SiO4)3
ⓘ Grossular var. Hessonite
Formula: Ca3Al2(SiO4)3
ⓘ Hausmannite
Formula: Mn2+Mn3+2O4
ⓘ Hematite
Formula: Fe2O3
Description: Occurs as an important deposit.
ⓘ Hercynite
Formula: Fe2+Al2O4
ⓘ Hercynite var. Picotite
Formula: (Fe,Mg)(Al,Cr)2O4
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Kalinite
Formula: KAl(SO4)2 · 11H2O
Description: Occurs in slates.
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ 'K Feldspar'
ⓘ 'K Feldspar var. Adularia'
Formula: KAlSi3O8
ⓘ Lechatelierite
Formula: SiO2
ⓘ 'Limonite'
Description: Auriferous. Mined late for the Au content.
ⓘ Magnesiochromite
Formula: MgCr2O4
Description: Occurs as crystals to 12.5 mm diameter.
ⓘ Magnesite
Formula: MgCO3
Localities: Reported from at least 10 localities in this region.
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 7 localities in this region.
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
Localities: Reported from at least 6 localities in this region.
Description: Abundant
ⓘ 'Manganese Oxides'
ⓘ Manganite
Formula: Mn3+O(OH)
ⓘ Marcasite
Formula: FeS2
ⓘ Millerite
Formula: NiS
ⓘ Molybdenite
Formula: MoS2
ⓘ 'Monazite'
Formula: REE(PO4)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
References:
Tony Charlton
ⓘ Muscovite var. Mariposite
Formula: K(Al,Cr)2(Al,Si)4O10(OH)2
ⓘ Muscovite var. Phengite
Formula: KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Nontronite
Formula: Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Osmium
Formula: (Os,Ir,Ru)
ⓘ Osmium var. Iridosmine
Formula: (Os,Ir)
ⓘ Platinum
Formula: Pt
Description: Placer material - 37.22% Pt. Commonly alloyed with Fe, 34.72% Os + Ir; 28% Au & traces of Pd & Rh.
ⓘ 'Psilomelane'
ⓘ Pyrargyrite
Formula: Ag3SbS3
Description: Occurs in gold-quartz.
ⓘ Pyrite
Formula: FeS2
Localities: Reported from at least 62 localities in this region.
ⓘ Pyrolusite
Formula: Mn4+O2
ⓘ 'Pyroxene Group'
Formula: ADSi2O6
Localities: Reported from at least 9 localities in this region.
ⓘ Quartz
Formula: SiO2
Localities: Reported from at least 207 localities in this region.
ⓘ Quartz var. Chalcedony
Formula: SiO2
Description: Fine geodal masses.
ⓘ Quartz var. Rutilated Quartz
Formula: SiO2
References:
Tony Charlton
ⓘ Quartz var. Smoky Quartz
Formula: SiO2
ⓘ Rhodochrosite
Formula: MnCO3
Description: Occurs as small druses in some mines.
ⓘ Rhodonite
Formula: CaMn3Mn[Si5O15]
ⓘ Rutile
Formula: TiO2
References:
Terry Szenics
ⓘ Scheelite
Formula: Ca(WO4)
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
Localities: Reported from at least 22 localities in this region.
ⓘ Siderite
Formula: FeCO3
ⓘ Silver
Formula: Ag
Localities: Reported from at least 6 localities in this region.
ⓘ 'Soapstone'
ⓘ Sphalerite
Formula: ZnS
Localities: Reported from at least 10 localities in this region.
Colour: Yellowish
Description: Transparent.
ⓘ Stibnite
Formula: Sb2S3
ⓘ Talc
Formula: Mg3Si4O10(OH)2
Localities: Reported from at least 6 localities in this region.
Description: Host of most Au ore.
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
Localities: Reported from at least 8 localities in this region.
Description: Occurs with other sulfides.
ⓘ Thorite
Formula: Th(SiO4)
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
Localities: Reported from at least 6 localities in this region.
Colour: Black
Description: Occurs with quartz in granitic rock.
ⓘ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
Colour: Gray-green
Description: Occurs as long, silky fibers.
ⓘ Uvarovite
Formula: Ca3Cr2(SiO4)3
Localities: Reported from at least 9 localities in this region.
Description: Comprises main part of matrix of some ore.
ⓘ Vesuvianite
Formula: Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Description: Occurs as small crystals in metamorphic rock.
ⓘ Zircon
Formula: Zr(SiO4)
Localities: Reported from at least 6 localities in this region.
Description: Occurs in sands. Commercially exploited.

Gallery:

Auⓘ Gold
trans.png
Gold, etc.

Eagle's Nest Mine, Sage Hill, Michigan Bluff Mining District, Placer County, California, USA
trans.png
Gold, etc.

Eagle's Nest Mine, Sage Hill, Michigan Bluff Mining District, Placer County, California, USA
trans.png
Gold, etc.

Eagle's Nest Mine, Sage Hill, Michigan Bluff Mining District, Placer County, California, USA
trans.png
Gold

Eagle's Nest Mine, Sage Hill, Michigan Bluff Mining District, Placer County, California, USA
trans.png
Gold, etc.

Eagle's Nest Mine, Sage Hill, Michigan Bluff Mining District, Placer County, California, USA
trans.png
Gold, etc.

Eagle's Nest Mine, Sage Hill, Michigan Bluff Mining District, Placer County, California, USA
trans.png
Gold, etc.

Eagle's Nest Mine, Sage Hill, Michigan Bluff Mining District, Placer County, California, USA
trans.png
Gold

Eagle's Nest Mine, Sage Hill, Michigan Bluff Mining District, Placer County, California, USA
trans.png
Gold, etc.

Eagle's Nest Mine, Sage Hill, Michigan Bluff Mining District, Placer County, California, USA
trans.png
Gold, etc.

Eagle's Nest Mine, Sage Hill, Michigan Bluff Mining District, Placer County, California, USA
SiO2ⓘ Quartz
trans.png
Quartz

Devil Peak, Ralston Divide Mining District, Placer County, California, USA
trans.png
Quartz, etc.

Michigan Bluff Mining District, Placer County, California, USA
trans.png
Quartz

Devil Peak, Ralston Divide Mining District, Placer County, California, USA
trans.png
Quartz

Devil Peak, Ralston Divide Mining District, Placer County, California, USA
trans.png
Quartz, etc.

Michigan Bluff Mining District, Placer County, California, USA
trans.png
Quartz

Devil Peak, Ralston Divide Mining District, Placer County, California, USA
trans.png
Quartz

Devil Peak, Ralston Divide Mining District, Placer County, California, USA
trans.png
Quartz, etc.

Michigan Bluff Mining District, Placer County, California, USA
SiO2ⓘ Quartz var. Rutilated Quartz
trans.png
Rutilated Quartz, etc.

Devil Peak, Ralston Divide Mining District, Placer County, California, USA
trans.png
Rutilated Quartz, etc.

Devil Peak, Ralston Divide Mining District, Placer County, California, USA
trans.png
Rutilated Quartz, etc.

Devil Peak, Ralston Divide Mining District, Placer County, California, USA

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘCopper1.AA.05Cu
ⓘGold1.AA.05Au
ⓘSilver1.AA.05Ag
ⓘGold
var. Electrum		1.AA.05(Au,Ag)
ⓘOsmium
var. Iridosmine		1.AF.05(Os,Ir)
ⓘ1.AF.05(Os,Ir,Ru)
ⓘPlatinum1.AF.10Pt
ⓘGraphite1.CB.05aC
ⓘDiamond1.CB.10aC
Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘAcanthite2.BA.35Ag2S
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘMillerite2.CC.20NiS
ⓘGalena2.CD.10PbS
ⓘStibnite2.DB.05Sb2S3
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
ⓘMarcasite2.EB.10aFeS2
ⓘArsenopyrite2.EB.20FeAsS
ⓘCobaltite2.EB.25CoAsS
ⓘPyrargyrite2.GA.05Ag3SbS3
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 3 - Halides
ⓘChlorargyrite3.AA.15AgCl
Group 4 - Oxides and Hydroxides
ⓘCuprite4.AA.10Cu2O
ⓘHercynite4.BB.05Fe2+Al2O4
ⓘvar. Picotite4.BB.05(Fe,Mg)(Al,Cr)2O4
ⓘMagnesiochromite4.BB.05MgCr2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘHausmannite4.BB.10Mn2+Mn3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz
var. Chalcedony		4.DA.05SiO2
ⓘvar. Smoky Quartz4.DA.05SiO2
ⓘvar. Rutilated Quartz4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
ⓘLechatelierite4.DA.30SiO2
ⓘPyrolusite4.DB.05Mn4+O2
ⓘRutile4.DB.05TiO2
ⓘBrookite4.DD.10TiO2
ⓘManganite4.FD.15Mn3+O(OH)
Group 5 - Nitrates and Carbonates
ⓘRhodochrosite5.AB.05MnCO3
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
ⓘMagnesite5.AB.05MgCO3
ⓘAnkerite5.AB.10Ca(Fe2+,Mg)(CO3)2
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘChalcanthite7.CB.20CuSO4 · 5H2O
ⓘAlunogen7.CB.45Al2(SO4)3 · 17H2O
ⓘCoquimbite7.CB.55AlFe3(SO4)6(H2O)12 · 6H2O
ⓘKalinite7.CC.15KAl(SO4)2 · 11H2O
ⓘScheelite7.GA.05Ca(WO4)
Group 9 - Silicates
ⓘChrysotile9..Mg3(Si2O5)(OH)4
ⓘGrossular
var. Hessonite		9.AD.25Ca3Al2(SiO4)3
ⓘ9.AD.25Ca3Al2(SiO4)3
ⓘUvarovite9.AD.25Ca3Cr2(SiO4)3
ⓘZircon9.AD.30Zr(SiO4)
ⓘThorite9.AD.30Th(SiO4)
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘVesuvianite9.BG.35Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘDiopside9.DA.15CaMgSi2O6
ⓘAnthophyllite9.DD.05◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘTremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
ⓘRhodonite9.DK.05CaMn3Mn[Si5O15]
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘMuscovite
var. Sericite		9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Phengite9.EC.15KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
ⓘ9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Mariposite9.EC.15K(Al,Cr)2(Al,Si)4O10(OH)2
ⓘNontronite9.EC.40Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
ⓘClinochlore
var. Pennine		9.EC.55Mg5Al(AlSi3O10)(OH)8
ⓘ9.EC.55Mg5Al(AlSi3O10)(OH)8
ⓘvar. Chromium-bearing Clinochlore9.EC.55Mg5(Al,Cr)2Si3O10(OH)8
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
ⓘAntigorite9.ED.15Mg3(Si2O5)(OH)4
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Pyroxene Group'-ADSi2O6
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'K Feldspar'-
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4
ⓘ'Manganese Oxides'-
ⓘ'Axinite Group'-
ⓘ'Soapstone'-
ⓘ'Chlorite Group'-
ⓘ'Feldspar Group'-
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'K Feldspar
var. Adularia'		-KAlSi3O8
ⓘ'Clay minerals'-
ⓘ'Asbestos'-
ⓘ'Psilomelane'-
ⓘ'Monazite'-REE(PO4)
ⓘ'Limonite'-
ⓘ'Amphibole Asbestos'-

List of minerals for each chemical element

HHydrogen
Hⓘ AlunogenAl2(SO4)3 · 17H2O
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Hⓘ AntigoriteMg3(Si2O5)(OH)4
Hⓘ AzuriteCu3(CO3)2(OH)2
Hⓘ ChalcanthiteCuSO4 · 5H2O
Hⓘ ChrysotileMg3(Si2O5)(OH)4
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Hⓘ CoquimbiteAlFe3(SO4)6(H2O)12 · 6H2O
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ KaliniteKAl(SO4)2 · 11H2O
Hⓘ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ ManganiteMn3+O(OH)
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Hⓘ OpalSiO2 · nH2O
Hⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Hⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hⓘ Clinochlore var. PennineMg5Al(AlSi3O10)(OH)8
Hⓘ Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
BBoron
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Cⓘ AzuriteCu3(CO3)2(OH)2
Cⓘ CalciteCaCO3
Cⓘ DiamondC
Cⓘ DolomiteCaMg(CO3)2
Cⓘ GraphiteC
Cⓘ MagnesiteMgCO3
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ RhodochrositeMnCO3
Cⓘ SideriteFeCO3
OOxygen
Oⓘ K Feldspar var. AdulariaKAlSi3O8
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AlunogenAl2(SO4)3 · 17H2O
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Oⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Oⓘ AntigoriteMg3(Si2O5)(OH)4
Oⓘ AzuriteCu3(CO3)2(OH)2
Oⓘ BrookiteTiO2
Oⓘ CalciteCaCO3
Oⓘ ChalcanthiteCuSO4 · 5H2O
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ ChrysotileMg3(Si2O5)(OH)4
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ CoquimbiteAlFe3(SO4)6(H2O)12 · 6H2O
Oⓘ CupriteCu2O
Oⓘ DiopsideCaMgSi2O6
Oⓘ DolomiteCaMg(CO3)2
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ GrossularCa3Al2(SiO4)3
Oⓘ HausmanniteMn2+Mn23+O4
Oⓘ HematiteFe2O3
Oⓘ HercyniteFe2+Al2O4
Oⓘ Grossular var. HessoniteCa3Al2(SiO4)3
Oⓘ IlmeniteFe2+TiO3
Oⓘ KaliniteKAl(SO4)2 · 11H2O
Oⓘ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ LechatelieriteSiO2
Oⓘ MagnesiteMgCO3
Oⓘ MagnesiochromiteMgCr2O4
Oⓘ ManganiteMn3+O(OH)
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ MonaziteREE(PO4)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Oⓘ OpalSiO2 · nH2O
Oⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Oⓘ PyrolusiteMn4+O2
Oⓘ QuartzSiO2
Oⓘ RhodochrositeMnCO3
Oⓘ RhodoniteCaMn3Mn[Si5O15]
Oⓘ Quartz var. Rutilated QuartzSiO2
Oⓘ RutileTiO2
Oⓘ ScheeliteCa(WO4)
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ SideriteFeCO3
Oⓘ Quartz var. Smoky QuartzSiO2
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ ThoriteTh(SiO4)
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oⓘ UvaroviteCa3Cr2(SiO4)3
Oⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Oⓘ ZirconZr(SiO4)
Oⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Clinochlore var. PennineMg5Al(AlSi3O10)(OH)8
Oⓘ Pyroxene GroupADSi2O6
Oⓘ Hercynite var. Picotite(Fe,Mg)(Al,Cr)2O4
Oⓘ Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mgⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Mgⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Mgⓘ AntigoriteMg3(Si2O5)(OH)4
Mgⓘ ChrysotileMg3(Si2O5)(OH)4
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Mgⓘ MagnesiteMgCO3
Mgⓘ MagnesiochromiteMgCr2O4
Mgⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mgⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Mgⓘ Clinochlore var. PennineMg5Al(AlSi3O10)(OH)8
Mgⓘ Hercynite var. Picotite(Fe,Mg)(Al,Cr)2O4
AlAluminium
Alⓘ K Feldspar var. AdulariaKAlSi3O8
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ AlunogenAl2(SO4)3 · 17H2O
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Alⓘ CoquimbiteAlFe3(SO4)6(H2O)12 · 6H2O
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ GrossularCa3Al2(SiO4)3
Alⓘ HercyniteFe2+Al2O4
Alⓘ Grossular var. HessoniteCa3Al2(SiO4)3
Alⓘ KaliniteKAl(SO4)2 · 11H2O
Alⓘ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Alⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Alⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alⓘ Clinochlore var. PennineMg5Al(AlSi3O10)(OH)8
Alⓘ Hercynite var. Picotite(Fe,Mg)(Al,Cr)2O4
Alⓘ Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
SiSilicon
Siⓘ K Feldspar var. AdulariaKAlSi3O8
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Siⓘ AntigoriteMg3(Si2O5)(OH)4
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ ChrysotileMg3(Si2O5)(OH)4
Siⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ DiopsideCaMgSi2O6
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ GrossularCa3Al2(SiO4)3
Siⓘ Grossular var. HessoniteCa3Al2(SiO4)3
Siⓘ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ LechatelieriteSiO2
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Siⓘ OpalSiO2 · nH2O
Siⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ RhodoniteCaMn3Mn[Si5O15]
Siⓘ Quartz var. Rutilated QuartzSiO2
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ Quartz var. Smoky QuartzSiO2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ ThoriteTh(SiO4)
Siⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siⓘ UvaroviteCa3Cr2(SiO4)3
Siⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Siⓘ ZirconZr(SiO4)
Siⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Clinochlore var. PennineMg5Al(AlSi3O10)(OH)8
Siⓘ Pyroxene GroupADSi2O6
Siⓘ Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
PPhosphorus
Pⓘ MonaziteREE(PO4)
SSulfur
Sⓘ AcanthiteAg2S
Sⓘ AlunogenAl2(SO4)3 · 17H2O
Sⓘ ArsenopyriteFeAsS
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcanthiteCuSO4 · 5H2O
Sⓘ ChalcociteCu2S
Sⓘ CobaltiteCoAsS
Sⓘ CoquimbiteAlFe3(SO4)6(H2O)12 · 6H2O
Sⓘ GalenaPbS
Sⓘ KaliniteKAl(SO4)2 · 11H2O
Sⓘ MarcasiteFeS2
Sⓘ MilleriteNiS
Sⓘ MolybdeniteMoS2
Sⓘ PyrargyriteAg3SbS3
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ StibniteSb2S3
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clⓘ ChlorargyriteAgCl
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
KPotassium
Kⓘ K Feldspar var. AdulariaKAlSi3O8
Kⓘ KaliniteKAl(SO4)2 · 11H2O
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
CaCalcium
Caⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Caⓘ CalciteCaCO3
Caⓘ DiopsideCaMgSi2O6
Caⓘ DolomiteCaMg(CO3)2
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ GrossularCa3Al2(SiO4)3
Caⓘ Grossular var. HessoniteCa3Al2(SiO4)3
Caⓘ RhodoniteCaMn3Mn[Si5O15]
Caⓘ ScheeliteCa(WO4)
Caⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caⓘ UvaroviteCa3Cr2(SiO4)3
Caⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ BrookiteTiO2
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ RutileTiO2
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
Crⓘ Clinochlore var. Chromium-bearing ClinochloreMg5(Al,Cr)2Si3O10(OH)8
Crⓘ MagnesiochromiteMgCr2O4
Crⓘ UvaroviteCa3Cr2(SiO4)3
Crⓘ Hercynite var. Picotite(Fe,Mg)(Al,Cr)2O4
Crⓘ Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
MnManganese
Mnⓘ HausmanniteMn2+Mn23+O4
Mnⓘ ManganiteMn3+O(OH)
Mnⓘ PyrolusiteMn4+O2
Mnⓘ RhodochrositeMnCO3
Mnⓘ RhodoniteCaMn3Mn[Si5O15]
FeIron
Feⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Feⓘ ArsenopyriteFeAsS
Feⓘ ChalcopyriteCuFeS2
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ CoquimbiteAlFe3(SO4)6(H2O)12 · 6H2O
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ HematiteFe2O3
Feⓘ HercyniteFe2+Al2O4
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ MarcasiteFeS2
Feⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Feⓘ Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Feⓘ PyriteFeS2
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Feⓘ SideriteFeCO3
Feⓘ VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Feⓘ Hercynite var. Picotite(Fe,Mg)(Al,Cr)2O4
CoCobalt
Coⓘ CobaltiteCoAsS
NiNickel
Niⓘ MilleriteNiS
CuCopper
Cuⓘ AzuriteCu3(CO3)2(OH)2
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcanthiteCuSO4 · 5H2O
Cuⓘ ChalcociteCu2S
Cuⓘ CupriteCu2O
Cuⓘ CopperCu
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ ArsenopyriteFeAsS
Asⓘ CobaltiteCoAsS
ZrZirconium
Zrⓘ ZirconZr(SiO4)
MoMolybdenum
Moⓘ MolybdeniteMoS2
RuRuthenium
Ruⓘ Osmium(Os,Ir,Ru)
AgSilver
Agⓘ AcanthiteAg2S
Agⓘ ChlorargyriteAgCl
Agⓘ Gold var. Electrum(Au,Ag)
Agⓘ PyrargyriteAg3SbS3
Agⓘ SilverAg
SbAntimony
Sbⓘ PyrargyriteAg3SbS3
Sbⓘ StibniteSb2S3
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
WTungsten
Wⓘ ScheeliteCa(WO4)
OsOsmium
Osⓘ Osmium(Os,Ir,Ru)
Osⓘ Osmium var. Iridosmine(Os,Ir)
IrIridium
Irⓘ Osmium(Os,Ir,Ru)
Irⓘ Osmium var. Iridosmine(Os,Ir)
PtPlatinum
Ptⓘ PlatinumPt
AuGold
Auⓘ Gold var. Electrum(Au,Ag)
Auⓘ GoldAu
PbLead
Pbⓘ GalenaPbS
ThThorium
Thⓘ ThoriteTh(SiO4)

Fossils

There are 7 fossil localities from the PaleoBioDB database within this region.

BETA TEST - These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences56
Youngest Fossil Listed1.80 Ma (Pleistocene)
Oldest Fossil Listed166 Ma (Middle Jurassic)
Stratigraphic Units
UnitNo. OccurrencesAge
Chico283.5 - 66 Ma (Late/Upper Cretaceous)
Colfax6166.1 - 163.5 Ma (Middle Jurassic)
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Gastropoda
class		Animalia : Mollusca : Gastropoda166.1 - 163.5 Ma
Middle Jurassic
Fimbria
genus		Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Fimbria166.1 - 163.5 Ma
Middle Jurassic
Rhynchonellida
order		Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida166.1 - 163.5 Ma
Middle Jurassic
Equus
genus		Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Equus4.9 - 1.8 Ma
Cenozoic
Proboscidea
order		Animalia : Chordata : Mammalia : Proboscidea4.9 - 1.8 Ma
Cenozoic
Zamites californica
species		Plantae : Tracheophyta : Cycadopsida : Cycadales : Zamites : Zamites californica48.6 - 37.2 Ma
Eocene
Engelhardtia nevadensis
species		Plantae : Tracheophyta : Magnoliopsida : Fagales : Juglandaceae : Engelhardia : Engelhardtia nevadensis48.6 - 37.2 Ma
Eocene
Castanopsis longipetiolatum
species		Plantae : Spermatophyta : Magnoliopsida : Fagales : Fagaceae : Castanopsis : Castanopsis longipetiolatum48.6 - 37.2 Ma
Eocene
Quercus distincta
species		Plantae : Tracheophyta : Magnoliopsida : Fagales : Fagaceae : Quercus : Quercus distincta48.6 - 37.2 Ma
Eocene
Quercus
genus		Plantae : Tracheophyta : Magnoliopsida : Fagales : Fagaceae : Quercus48.6 - 37.2 Ma
Eocene
Chaetoptelea pseudofulva
species		Plantae : Spermatophyta : Magnoliopsida : Urticales : Ulmaceae : Chaetoptelea : Chaetoptelea pseudofulva48.6 - 37.2 Ma
Eocene
Artocarpus lessigiana
species		Plantae : Tracheophyta : Magnoliopsida : Rosales : Moraceae : Artocarpus : Artocarpus lessigiana48.6 - 37.2 Ma
Eocene
Ficus goshenensis
species		Plantae : Tracheophyta : Magnoliopsida : Rosales : Moraceae : Ficus : Ficus goshenensis48.6 - 37.2 Ma
Eocene
Nelumbium lacunosum
species		Plantae : Tracheophyta : Magnoliopsida : Proteales : Nelumbonaceae : Nelumbium : Nelumbium lacunosum48.6 - 37.2 Ma
Eocene
Cercidiphyllum elongatum
species		Plantae : Tracheophyta : Magnoliopsida : Saxifragales : Cercidiphyllaceae : Cercidiphyllum : Cercidiphyllum elongatum48.6 - 37.2 Ma
Eocene
Hyperbaena diforma
species		Plantae : Tracheophyta : Magnoliopsida : Ranunculales : Menispermaceae : Hyperbaena : Hyperbaena diforma48.6 - 37.2 Ma
Eocene
Cinnamomum acrodromum
species		Plantae : Tracheophyta : Magnoliopsida : Laurales : Lauraceae : Cinnamomum : Cinnamomum acrodromum48.6 - 37.2 Ma
Eocene
Cinnamomum dilleri
species		Plantae : Tracheophyta : Magnoliopsida : Laurales : Lauraceae : Cinnamomum : Cinnamomum dilleri48.6 - 37.2 Ma
Eocene
Persea pseudocarolinensis
species		Plantae : Tracheophyta : Magnoliopsida : Laurales : Lauraceae : Persea : Persea pseudocarolinensis48.6 - 37.2 Ma
Eocene
Liquidambar californicum
species		Plantae : Tracheophyta : Magnoliopsida : Saxifragales : Altingiaceae : Liquidambar : Liquidambar californicum48.6 - 37.2 Ma
Eocene
Platanophyllum angustiloba
species		Plantae : Spermatophyta : Magnoliopsida : Proteales : Platanaceae : Platanophyllum : Platanophyllum angustiloba48.6 - 37.2 Ma
Eocene
Platanophyllum whitneyi
species		Plantae : Spermatophyta : Magnoliopsida : Proteales : Platanaceae : Platanophyllum : Platanophyllum whitneyi48.6 - 37.2 Ma
Eocene
Platanus appendiculata
species		Plantae : Tracheophyta : Magnoliopsida : Proteales : Platanaceae : Platanus : Platanus appendiculata48.6 - 37.2 Ma
Eocene
Canarium californicum
species		Plantae : Spermatophyta : Magnoliopsida : Sapindales : Burseraceae : Canarium : Canarium californicum48.6 - 37.2 Ma
Eocene
Mallotus riparius
species		Plantae : Tracheophyta : Magnoliopsida : Malpighiales : Euphorbiaceae : Mallotus : Mallotus riparius48.6 - 37.2 Ma
Eocene
Phytocrene sordida
species		Plantae : Spermatophyta : Magnoliopsida : Celastrales : Icacinaceae : Phytocrene : Phytocrene sordida48.6 - 37.2 Ma
Eocene
Rhus mixta
species		Plantae : Tracheophyta : Magnoliopsida : Sapindales : Anacardiaceae : Rhus : Rhus mixta48.6 - 37.2 Ma
Eocene
Thouinopsis myricaefolia
species		Plantae : Spermatophyta : Magnoliopsida : Sapindales : Sapindaceae : Thouinopsis : Thouinopsis myricaefolia48.6 - 37.2 Ma
Eocene
Meliosma truncata
species		Plantae : Tracheophyta : Magnoliopsida : Proteales : Sabiaceae : Meliosma : Meliosma truncata48.6 - 37.2 Ma
Eocene
Gordonia egregia
species		Plantae : Spermatophyta : Magnoliopsida : Theales : Theaceae : Gordonia : Gordonia egregia48.6 - 37.2 Ma
Eocene
Nyssa californica
species		Plantae : Tracheophyta : Magnoliopsida : Cornales : Nyssaceae : Nyssa : Nyssa californica48.6 - 37.2 Ma
Eocene
Viburnum variabilis
species		Plantae : Tracheophyta : Magnoliopsida : Dipsacales : Adoxaceae : Viburnum : Viburnum variabilis48.6 - 37.2 Ma
Eocene
Calycites mikanoides
species		Plantae : Tracheophyta : Magnoliopsida : Asterales : Asteraceae : Calycites : Calycites mikanoides48.6 - 37.2 Ma
Eocene
Carpites egregia
species		Plantae : Carpites : Carpites egregia48.6 - 37.2 Ma
Eocene
Rhectomyax undulatus
species		Rhectomyax undulatus83.6 - 72.1 Ma
Late/Upper Cretaceous
Opis (Hesperopis) anae
species		Animalia : Mollusca : Bivalvia : Carditida : Astartidae : Opis : Opis (Hesperopis) anae83.5 - 70.6 Ma
Late/Upper Cretaceous
Kepplerites lorinclarki
species		Animalia : Mollusca : Cephalopoda : Ammonoidea : Kosmoceratidae : Kepplerites : Kepplerites lorinclarki166.1 - 163.5 Ma
Middle Jurassic
Olcostephanus lindgreni
species		Animalia : Mollusca : Cephalopoda : Ammonoidea : Olcostephanidae : Olcostephanus : Olcostephanus lindgreni166.1 - 163.5 Ma
Middle Jurassic
Grossouvria colfaxi
species		Animalia : Mollusca : Cephalopoda : Ammonitida : Perisphinctidae : Choffatia : Grossouvria colfaxi166.1 - 163.5 Ma
Middle Jurassic
Fossil LocalitiesClick to show 7 fossil localities

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Placer_County,_California
Wikidata ID:Q156353
GeoNames ID:5383537

Localities in this Region

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North America PlateTectonic Plate
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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

Silliman, Benjamin, Jr. (1867a), A notice of the peculiar mode of the occurrence of gold and silver in the foothills of the Sierra Nevada, and especially at Whiskey Hill, in Placer County, and Quail Hill, in Calaveras County, California: California Academy of Natural Sciences Proceedings: 3: 349-351; […American Journal of Science, 2nd. series: 45: 92-95 (1868)]: .
Fairbanks, Harold W. (1890), Geology of the Mother Lode region: California Mining Bureau. (Report 10): 10: 23-90.
Watts, Wm. L. (1893), Alameda, Colusa, Del Norte, Fresno, Glenn, Humboldt, Marin, Mendocino, Merced, Placer, Sacramento, Santa Clara, San Joaquin, Sonoma, Stanislaus, Sutter, Kern, Lake, Contra Costa, Tehama, Tulare Counties California Mining Bureau. (Report 11): 11: 121-138, 179-199, 210-240, 249-258, 319-322, 334-336, 374-375, 394, 453-479, 485-492.
Turner, Henry Ward (1894a), Description of the gold belt; description of the Jackson sheet: USGS, Geol. Atlas Jackson folio (Folio No. 11), 6pp. (reprinted 1914).
Lindgren, Waldemar (1894b), Description of the gold belt; description of the Sacramento sheet. USGS Geologic Atlas, Sacramento folio (Folio No. 5), 3 pp.
Lindgren, Waldemar (1897), Description of the gold belt; description of the Truckee sheet: USGS Geological Atlas, Truckee folio (Folio No. 39), 8 pp.
Lindgren, Waldemar (1900), Description of the Colfax sheet, California: USGS Geological Atlas, Colfax folio (Folio No. 66), 10 pp.
Reid, John A. (1907a), The country east of the Mother Lode (in Placer County, California): Mining and Scientific Press: 94: 279-280.
Lindgren, Waldemar (1911), The Tertiary gravels of the Sierra Nevada of California: USGS Professional Paper 73, 226 pp.
Tucker, W. Burling, and Waring, C.A. (1916), Mines and mineral resources of El Dorado, Placer, Sacramento, and Yuba counties: California State Mining Bureau, 15th Report of the State Mineralogist (Report 15): 283-299.
Waring, Clarence A. (1917), Placer County: Report 15 of the State Mineralogist, California State Mining Bureau (Report 15): 15: 344.
Waring, Clarence A. (1919), Butte, Placer, Sacramento, Yuba Counties: California Bureau of Mines (Report 15): 15: 309-459.
Waring, Clarence A. (1919), Placer County, drift and hydraulic mines: California Mining Bureau (Report 15): 15: 352-379.
Hamilton, Fletcher McNab (1920), Placer County: California State Mining Bureau 17th Report of the State Mineralogist: 442-451.
Logan, Clarence August (1921), Placer County: California State Mining Bureau. (Report 17): 17:
Haley, C.S. (1923) Gold placers of California. California Mining Bureau. Bulletin 92, 167 pp.
Logan, Clarence August (1927), Amador County, Placer County: California Mining Bureau. (Report 23): 23: 131-202, 235-286.
Jenkins, O. P. (1932), Geologic map of the northern Sierra Nevada, showing Tertiary river channels and Mother Lode belt: California Division of Mines 28th Report of the State Mineralogist, p. 279-298.
Logan, Clarence August (1934), Mother Lode Gold Belt of California: California Division Mines Bulletin 108, 221 pp.: Pl. II.
Logan, Clarence August (1936), Gold mines of Placer County: California Journal of Mines and Geology, California Division Mines (Report 32): 32(1): 7-96).
Logan, Clarence August (1941), Mineral resources of Nevada County, California: California Division Mines (Report 37): 37: 374-408; […California Journal of Mines and Geology: 37(3): 378-379.
Bramel, Hadley R., Heyl, George R., Cox, Manning W., Ransome, Alfred L., Eric, John H., Wyant, Donald G. (1948) Copper in California. Bulletin 144. California State Mining Bureau pp.197-387
Logan, Clarence August (1948), History of mining and milling methods in California, in Jenkins, O.P. and others, editors, Geologic guidebook along highway 49 - Sierran gold belt - The Mother Lode Country: California Division of Mines Bulletin 141.
Anonymous (1950), New tungsten find in Placer Co.: California Division of Mines, Mineral Information Service: 3(11): 2.
Rynearson, Garn Arthur (1953), Geological investigations of chromite in California: Chromite deposits in the northern Sierra Nevada, California. California Division of Mines and Geology Bulletin 134, part 3 chapter 5: 229, Pl. 13.
Goodwin, Joseph Grant (1957) Lead and zinc in California. California Journal of Mines and Geology, Division of Mines (Report 53): 53(3&4): 353-724.
Chandra, D. K. (1961) Geology and mineral deposits of the Colfax and Foresthill quadrangles, California. Special Report 67, California Division of Mines, 50 pp.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 282, 320.
Merwin, R. W. (1968), Gold resources in the Tertiary gravels of California: U.S. Bureau of Mines Technical Progress Report 3, 14 pp.
Clark, Wm. B. (1970a) Gold districts of California: California Division Mines & Geology Bulletin 193.
Mineralogical Record (2000): 31: 19.
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