Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Alleghany, Alleghany District (Forest District), Sierra Co., California, USA


mindat Locality ID: 31595
mindat URL: http://www.mindat.org/loc-31595.html

Tectonic Settings:

Total number of sublocalities beneath "Alleghany, Alleghany District (Forest District), Sierra Co., California, USA": 42
Total number of bottom-level sublocalities: 39

Number of Child Localities: 30
Child Localities:
16 To 1 Mine (Sixteen-to-One Mine; Original Sixteen-to-One Mine)
Belmont & Annex Mine
Continental Mine
Del Norte & Scotia Mine
Docile Mine (Loosner Claim; Docile Claim)
Dreadnaught Mine
Eldorado Mine (Terrible; Eldorado Extension; Eldorado Ext)
French Ravine Placer
Gold Crown Mine (Wonder Mine; Sherman Mine)
Golden Hope Placer
Golden King Mine
Iroquois Mine (Iroquois Prospect)
Mammoth Springs Mine (Contact Mine)
Maple Grove Placer Mine
Mayflower Mine
Minnesota Development Group Mine (Minnesota Development Gp.)
Minnie D & Lucky Larry Mine (Minnie D And Lucky Larry; Minnie D Claim; Lucky Larry Claim)
Minnie D Extension Mine
Monroe Consolidated Group Mine (Monroe Cons Gp.)
Morning Glory Mine
Morning Sun Mine (Morning Sun Claim)
Mugwump Mine (Young America Mine; Diamond Peak Mine)
Natoma Placer Mine
Oceola Mine
Rao Mine
Rising Sun Mine (Cedar & Baltimore; Monroe; Monroe Consolidated Group; Monroe Cons. Group; Cedar Claim; Baltimore Claim)
Sherman Mine (General Sherman)
Smiths Flat
Snowden Gravel Mine
Spoohn Mine (Spoon Mine)

Latitude: 39°28'15"N
Longitude: 120°50'4"W
Decimal Degree (lat, lon): 39.470833333333,-120.83444444444

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Ag Al As Au C Ca Cu Fe H K Mg Na Ni O Pb S Sb Si Ti Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmorphousAmphiboleArsenopyriteCalciteClayClinozoisiteCopperEpidoteFeldsparMarcasite
MicaNonePentlanditePyriteQuartzRocksaltRutileSphaleriteTalcTetrahedrite

26 IMA Minerals at location:
Albite  (*)Ankerite  (*)Arsenopyrite  (*)Calcite  (*)Dawsonite  (*)
Dolomite  (*)Epidote  (*)Galena  (*)Gold  (*)Graphite  (*)
Jamesonite  (*)Marcasite  (*)Muscovite  (*)Opal  (*)Orthoclase  (*)
Paragonite  (*)Pentlandite  (*)Pyrite  (*)Quartz  (*)Rutile  (*)
Siderite  (*)Sphalerite  (*)Stromeyerite  (*)Talc  (*)Tetrahedrite-(Zn)  (*)
Tremolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)3177215,177218,1772408803
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)23177215,177222,1772403092
Arsenopyrite  (*)ArsenopyriteFeAsS9177215,177218,177219,177222,177223,177230,177232,177245,1772509052
Calcite  (*)CalciteCa(CO3)4177215,177218,177223,17723227770
Dawsonite  (*)NoneNaAl(CO3)(OH)2117721890
Dolomite  (*)NoneCaMg(CO3)24177218,177222,177223,1772409895
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)11772158173
Galena  (*)RocksaltPbS3177223,177230,17724024243
Gold  (*)CopperAu37177215,177216,177217,177218,177219,177220,177221,177222,177223,177225,177226,177227,177228,177229,177230,177231,177232,177234,177235,177236,177238,177239,177240,177241,177242,177243,177244,177245,177246,177248,177249,177250,177251,177252,177253,177254,17725630554
Graphite  (*)NoneC2177215,1772392812
Jamesonite  (*)NonePb4FeSb6S141177222784
Marcasite  (*)MarcasiteFeS211772155674
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)26177215,177218,177219,177222,177223,17724317380
Opal  (*)AmorphousSiO2·nH2O11772152994
Orthoclase  (*)FeldsparK(AlSi3O8)11772182349
Paragonite  (*)Mica ClayNaAl2(Si3Al)O10(OH)21177218247
Pentlandite  (*)Pentlandite(Ni,Fe)9S811772151512
Pyrite  (*)PyriteFeS215177215,177218,177222,177224,177225,177227,177230,177232,177234,177236,177238,177240,177241,177243,17725039462
Quartz  (*)QuartzSiO235177215,177216,177217,177218,177219,177220,177221,177222,177223,177224,177225,177226,177227,177228,177229,177230,177232,177234,177235,177236,177238,177239,177240,177241,177242,177243,177244,177245,177248,177249,177250,177252,177253,177254,17725661156
Rutile  (*)RutileTiO211772185614
Siderite  (*)CalciteFe(CO3)3177222,177232,1772406417
Sphalerite  (*)SphaleriteZnS117724021482
Stromeyerite  (*)NoneCuAgS1177215332
Talc  (*)Clay TalcMg3Si4O10(OH)23177215,177218,1772233337
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S132177230,1772405317
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)211772222562



No ages have been assigned to this locality yet.

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All locality data graciously provided by mindat.org

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