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Grass Valley, Grass Valley Mining District, Nevada County, California, USAi
Regional Level Types
Grass ValleyValley
Grass Valley Mining DistrictMining District
Nevada CountyCounty
CaliforniaState
USACountry

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PhotosMapsSearch
Type:
Largest Settlements:
PlacePopulation
Grass Valley12,944 (2017)
Mindat Locality ID:
14594
Long-form identifier:
mindat:1:2:14594:4
GUID (UUID V4):
d74b609f-8cd8-4ade-adf3-3ac2e9507ee7
Other Languages:
French:
Grass Valley, Comté de Nevada, Californie, États-Unis
German:
Grass Valley, Nevada County, Kalifornien, Vereinigte Staaten
Italian:
Grass Valley, Contea di Nevada, California, Stati Uniti d'America
Russian:
Грасс-Валли, Невада, Калифорния, Соединённые Штаты Америки
Simplified Chinese:
草谷, 內華達縣, 加利福尼亚州, 美国
Spanish:
Grass Valley, Condado de Nevada, California, Estados Unidos
Arabic:
غراس فالي , مقاطعة نيفادا, كاليفورنيا, الولايات المتحدة
Armenian:
Գրասս Վելլի, Նևադա շրջան, Կալիֆոռնիա, Ամերիկայի Միացյալ Նահանգներ
Basque:
Grass Valley , Nevada konderria, Kalifornia
Bavarian:
Grass Valley, Nevada County, Kalifornien, Vaoanigte Stootn
Bulgarian:
Грас Вали, Невада, Калифорния, Съединени американски щати
Catalan:
Grass Valley, Califòrnia, Estats Units d’Amèrica
Cebuano:
Grass Valley, Nevada County, California
Chechen:
Грасс-Велли , Калифорни, Америкин Цхьаьнатоьхна Штаташ
Croatian:
Grass Valley, Kalifornija, Sjedinjene Američke Države
Czech:
Grass Valley, Nevada County, Kalifornie, Spojené státy americké
Danish:
Grass Valley, Nevada County, Californien, USA
Dutch:
Grass Valley, Nevada County, Verenigde Staten
Egyptian Arabic:
جراس فالى, كاليفورنيا, امريكا
Esperanto:
Gresa Valo, Kalifornio
Farsi/Persian:
گرس ولی، کالیفرنیا, شهرستان نوادا، کالیفرنیا, کالیفرنیا, ایالات متحده آمریکا
Haitian:
Grass Valley, Kalifòni, Etazini
Hebrew:
גראס ואלי, קליפורניה, ארצות הברית
Hungarian:
Grass Valley, Nevada megye, Kalifornia, Amerikai Egyesült Államok
Irish Gaelic:
Grass Valley, Contae Nevada, California, Stáit Aontaithe Mheiriceá
Japanese:
グラスバレー, ネバダ郡, カリフォルニア州, アメリカ合衆国
Korean:
그래스밸리, 캘리포니아주, 미국
Ladin:
Grass Valley
Malagasy:
Grass Valley, Kalifornia, Etazonia
Malayalam:
ഗ്രാസ് വാലി, നെവാഡ കൗണ്ടി, കാലിഫോർണിയ
Minnan / Hokkien-Taiwanese:
Grass Valley
Newar / Nepal Bhasa:
ग्रास भ्याली, क्यालिफोर्निया, संयुक्त राज्य अमेरिका
Norwegian:
Grass Valley, Nevada County, California, USA
Polish:
Grass Valley, Hrabstwo Nevada, Kalifornia, Stany Zjednoczone
Portuguese:
Grass Valley, Condado de Nevada, Califórnia, Estados Unidos
Serbian:
Грас Вали, Округ Невада, Калифорнија, Сједињене Америчке Државе
Serbo-Croatian:
Grass Valley, Nevada County, Kalifornija, Sjedinjene Američke Države
Silesian:
Grass Valley, Kaliforńijo, Zjednoczůne Sztaty
Slovenian:
Grass Valley, Kalifornija, Združene države Amerike
Swedish:
Grass Valley, Nevada County, Kalifornien, USA
Tagalog:
Grass Valley, Nevada County, California, Estados Unidos
Tatar:
Грасс-Велли , Калифорния (штат), Америка Кушма Штатлары
Traditional Chinese:
草谷, 加利福尼亞州, 美國
Turkish:
Grass Valley, Nevada County, Kaliforniya, Amerika Birleşik Devletleri
Ukrainian:
Грасс-Веллі, Невада, Каліфорнія, Сполучені Штати Америки
Urdu:
گراس ویلی، کیلیفورنیا, نیواڈا کاؤنٹی، کیلیفورنیا, کیلیفورنیا, ریاستہائے متحدہ امریکا
Uzbek (Latin Script):
Grass Valley, Kaliforniya, Amerika Qoʻshma Shtatlari
Volapük:
Grass Valley, Kalifornän, Lamerikän
Waray:
Grass Valley, Condado han Nevada, California, Estados Unidos


An incorporated city.

"Grass Valley, which was originally known as Boston Ravine and later named Centerville, dates from the California Gold Rush, as does nearby Nevada City. Gold was discovered at Gold Hill in October 1850 and population grew around the mine. When a post office was established in 1851, it was renamed Grass Valley the next year for unknown reasons." (Wikipedia)

NOTE: Relative distances for the individual localities in this district to the city of Grass Valley are either related to the coordinates of record found in the USGS GNIS database (localities very close to the center of the city; a point about 200 meters N of the point where Interstate highway 80 bisects the name of Grass Valley on the topo maps), or to Grass Valley "proper" which is the point on the topo maps where the name of Grass Valley is bisected by Interstate highway 80 (an approximate center of the city). Many localities in the USGS MRDS database and elsewhere present distances to Grass Valley seemingly based on the nearest city limit, which are quite irregular, and do not present a meaningful description from the center of the city.

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

25 valid minerals.

Detailed Mineral List:

Altaite
Formula: PbTe
Description: Occurs on the 5,000 foot level.
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Localities: Reported from at least 8 localities in this region.
Arsenic
Formula: As
Arsenopyrite
Formula: FeAsS
Calcite
Formula: CaCO3
Localities: Reported from at least 13 localities in this region.
'Chabazite'
Colour: Colorless
Description: Occurs as crystals several mm diameter forming coatings of fissures in diabase.
Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 14 localities in this region.
'Chlorite Group'
Chromite
Formula: Fe2+Cr3+2O4
Localities: Reported from at least 10 localities in this region.
Dolomite
Formula: CaMg(CO3)2
Description: Mg:Fe = 3:2.
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
'Fayalite-Forsterite Series'
Ferrimolybdite
Formula: Fe2(MoO4)3 · nH2O
Galena
Formula: PbS
Localities: Reported from at least 20 localities in this region.
Gold
Formula: Au
Localities: Reported from at least 183 localities in this region.
Hessite
Formula: Ag2Te
'Limonite'
Magnesite
Formula: MgCO3
Magnetite
Formula: Fe2+Fe3+2O4
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 9 localities in this region.
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
Localities: Reported from at least 8 localities in this region.
Naumannite
Formula: Ag2Se
Opal
Formula: SiO2 · nH2O
Petzite
Formula: Ag3AuTe2
Pyrite
Formula: FeS2
Localities: Reported from at least 26 localities in this region.
'Pyroxene Group'
Formula: ADSi2O6
Pyrrhotite
Formula: Fe1-xS
Description: Occurs in greenish siliceous rock. Reports exist of this being a platiniferous variety.
Quartz
Formula: SiO2
Localities: Reported from at least 177 localities in this region.
Quartz var. Chalcedony
Formula: SiO2
Scheelite
Formula: Ca(WO4)
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
Localities:
'Serpentine Subgroup var. Picrolite'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Sphalerite
Formula: ZnS
Localities: Reported from at least 15 localities in this region.
Talc
Formula: Mg3Si4O10(OH)2
'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
Description: A heavy mass was found.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Arsenic1.CA.05As
Group 2 - Sulphides and Sulfosalts
Naumannite2.BA.55Ag2Se
Hessite2.BA.60Ag2Te
Petzite2.BA.75Ag3AuTe2
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Pyrrhotite2.CC.10Fe1-xS
Altaite2.CD.10PbTe
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Arsenopyrite2.EB.20FeAsS
'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Chromite4.BB.05Fe2+Cr3+2O4
Quartz
var. Chalcedony
4.DA.05SiO2
4.DA.05SiO2
Opal4.DA.10SiO2 · nH2O
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Magnesite5.AB.05MgCO3
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Dolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Scheelite7.GA.05Ca(WO4)
Ferrimolybdite7.GB.30Fe2(MoO4)3 · nH2O
Group 9 - Silicates
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Talc9.EC.05Mg3Si4O10(OH)2
Muscovite
var. Phengite
9.EC.15KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
9.EC.15KAl2(AlSi3O10)(OH)2
var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
var. Mariposite9.EC.15K(Al,Cr)2(Al,Si)4O10(OH)2
Unclassified
'Chlorite Group'-
'Chabazite'-
'Limonite'-
'Fayalite-Forsterite Series'-
'Pyroxene Group'-ADSi2O6
'Serpentine Subgroup'-D3[Si2O5](OH)4
'var. Picrolite'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H FerrimolybditeFe2(MoO4)3 · nH2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H OpalSiO2 · nH2O
H Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
H TalcMg3Si4O10(OH)2
H Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
H Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
H Serpentine SubgroupD3[Si2O5](OH)4
H Serpentine Subgroup var. PicroliteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C MagnesiteMgCO3
OOxygen
O AnkeriteCa(Fe2+,Mg)(CO3)2
O CalciteCaCO3
O Quartz var. ChalcedonySiO2
O ChromiteFe2+Cr23+O4
O DolomiteCaMg(CO3)2
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O FerrimolybditeFe2(MoO4)3 · nH2O
O MagnesiteMgCO3
O MagnetiteFe2+Fe23+O4
O MuscoviteKAl2(AlSi3O10)(OH)2
O OpalSiO2 · nH2O
O Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
O QuartzSiO2
O ScheeliteCa(WO4)
O TalcMg3Si4O10(OH)2
O Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
O Pyroxene GroupADSi2O6
O Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
O Serpentine SubgroupD3[Si2O5](OH)4
O Serpentine Subgroup var. PicroliteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg DolomiteCaMg(CO3)2
Mg MagnesiteMgCO3
Mg Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Mg TalcMg3Si4O10(OH)2
Mg Serpentine Subgroup var. PicroliteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
AlAluminium
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Al Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Al Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
Al Serpentine Subgroup var. PicroliteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
SiSilicon
Si Quartz var. ChalcedonySiO2
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si OpalSiO2 · nH2O
Si Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Si QuartzSiO2
Si TalcMg3Si4O10(OH)2
Si Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Si Pyroxene GroupADSi2O6
Si Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
Si Serpentine SubgroupD3[Si2O5](OH)4
Si Serpentine Subgroup var. PicroliteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
SSulfur
S ArsenopyriteFeAsS
S ChalcopyriteCuFeS2
S GalenaPbS
S PyriteFeS2
S PyrrhotiteFe1-xS
S SphaleriteZnS
S Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
KPotassium
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 DolomiteCaMg(CO3)2
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca ScheeliteCa(WO4)
CrChromium
Cr ChromiteFe2+Cr23+O4
Cr Muscovite var. MaripositeK(Al,Cr)2(Al,Si)4O10(OH)2
MnManganese
Mn Serpentine Subgroup var. PicroliteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
Fe ChromiteFe2+Cr23+O4
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe FerrimolybditeFe2(MoO4)3 · nH2O
Fe MagnetiteFe2+Fe23+O4
Fe Muscovite var. PhengiteKAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Fe PyriteFeS2
Fe PyrrhotiteFe1-xS
Fe Serpentine Subgroup var. PicroliteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
NiNickel
Ni Serpentine Subgroup var. PicroliteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
CuCopper
Cu ChalcopyriteCuFeS2
Cu Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Zn SphaleriteZnS
Zn Serpentine Subgroup var. PicroliteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
AsArsenic
As ArsenopyriteFeAsS
As ArsenicAs
SeSelenium
Se NaumanniteAg2Se
MoMolybdenum
Mo FerrimolybditeFe2(MoO4)3 · nH2O
AgSilver
Ag HessiteAg2Te
Ag NaumanniteAg2Se
Ag PetziteAg3AuTe2
SbAntimony
Sb Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
TeTellurium
Te AltaitePbTe
Te HessiteAg2Te
Te PetziteAg3AuTe2
WTungsten
W ScheeliteCa(WO4)
AuGold
Au GoldAu
Au PetziteAg3AuTe2
PbLead
Pb AltaitePbTe
Pb GalenaPbS

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Grass_Valley,_California
Wikidata ID:Q834337

Localities in this Region

Other Regions, Features and Areas that Intersect

North America PlateTectonic Plate
USA

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

 
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