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:
16 To 1 Mine (Sixteen-to-One Mine; Original Sixteen-to-One Mine), Alleghany, Alleghany District (Forest District), Sierra Co., California, USA


mindat Locality ID: 6449
mindat URL: http://www.mindat.org/loc-6449.html

Tectonic Settings:

Total number of sublocalities beneath "16 To 1 Mine (Sixteen-to-One Mine; Original Sixteen-to-One Mine), Alleghany, Alleghany District (Forest District), Sierra Co., California, USA": 9
Total number of bottom-level sublocalities: 8

Number of Child Localities: 8
Child Localities:
Eclipse Mine
Ophir Mine
Oriental Mine (Alta Mine)
Osceola Mine (Osceola Group; Red Star Mine; Colorado Mine; Yellow-Jacket Mine; Yellow Jacket Mine)
Rainbow Extension Mine
Rainbow Mine
Tightner Mine (Tightner Mines)
Tweny One Mine

Latitude: 39°27'47"N
Longitude: 120°50'31"W
Decimal Degree (lat, lon): 39.463055555556,-120.84194444444
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 

Elements from minerals reported directly at this locality: Ag Al C Ca Cu Fe H Ni O S Si 

Structural Groups for minerals in this locality: 
AmorphousAmphiboleArsenopyriteCalciteClayClinozoisiteCopperEpidoteFeldsparMarcasite
MicaNonePentlanditePyriteQuartzRocksaltRutileTalc

24 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  (*)Stromeyerite  (*)Talc  (*)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)11772188803
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)211772223092
Arsenopyrite  (*)ArsenopyriteFeAsS4177218,177219,177222,1772239052
Calcite  (*)CalciteCa(CO3)2177218,17722327770
Dawsonite  (*)NoneNaAl(CO3)(OH)2117721890
Dolomite  (*)NoneCaMg(CO3)23177218,177222,1772239895
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)08173
Galena  (*)RocksaltPbS117722324243
Gold  (*)CopperAu8177216,177217,177218,177219,177220,177221,177222,17722330554
Graphite  (*)NoneC02812
Jamesonite  (*)NonePb4FeSb6S141177222784
Marcasite  (*)MarcasiteFeS205674
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)24177218,177219,177222,17722317380
Opal  (*)AmorphousSiO2·nH2O02994
Orthoclase  (*)FeldsparK(AlSi3O8)11772182349
Paragonite  (*)Mica ClayNaAl2(Si3Al)O10(OH)21177218247
Pentlandite  (*)Pentlandite(Ni,Fe)9S801512
Pyrite  (*)PyriteFeS23177218,177222,17722439462
Quartz  (*)QuartzSiO29177216,177217,177218,177219,177220,177221,177222,177223,17722461156
Rutile  (*)RutileTiO211772185614
Siderite  (*)CalciteFe(CO3)11772226417
Stromeyerite  (*)NoneCuAgS0332
Talc  (*)Clay TalcMg3Si4O10(OH)22177218,1772233337
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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