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:
Iron Mountain [town], West Shasta Copper - Zinc District, Klamath Mts, Shasta Co., California, USA

Oldest recorded age at locality: 390
Youngest recorded age at locality: 390

mindat Locality ID: 217741
mindat URL: http://www.mindat.org/loc-217741.html

Tectonic Settings:

Total number of sublocalities beneath "Iron Mountain [town], West Shasta Copper - Zinc District, Klamath Mts, Shasta Co., California, USA": 17
Total number of bottom-level sublocalities: 15

Number of Child Localities: 4
Child Localities:
Hornet Mine
Iron Mountain
New Okosh Occurrence (Old Okosh)
Unnamed Fe Occurrence (2)

Latitude: 40°40'16"N
Longitude: 122°31'54"W
Decimal Degree (lat, lon): 40.671111111111,-122.53166666667
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 Au B C Ca Cd Cu Fe H K Mg O Pb Pt S Si Ti Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AluniteCalciteChalcanthiteChalcopyriteCopiapiteCopperCoquimbiteCorundumCovelliteHalotrichite
KieseriteLepidocrociteMalachiteMelanteriteNickelineNoneNot in a structural groupPyriteQuartzRocksalt
RömeriteSphaleriteSpinelStarkeyiteSulphurVoltaiteWurtzite

37 IMA Minerals at location:
Aluminocopiapite  (*)Antlerite  (*)Calcite  (*)Chalcanthite  (*)Chalcocite  (*)
Chalcopyrite  (*)Copiapite  (*)Coquimbite  (*)Covellite  (*)Galena  (*)
Gold  (*)Greenockite  (*)Halotrichite  (*)Hematite  (*)Ilmenite  (*)
Inyoite  (*)Jarosite  (*)Kornelite  (*)Lepidocrocite  (*)Maghemite  (*)
Magnesiocopiapite  (*)Magnetite  (*)Malachite  (*)Melanterite  (*)Platinum  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Rhomboclase  (*)Römerite  (*)
Rozenite  (*)Siderotil  (*)Silver  (*)Sphalerite  (*)Sulphur  (*)
Szomolnokite  (*)Voltaite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aluminocopiapite  (*)Copiapite(Al,Mg)Fe3+4(SO4)6(OH,O)2·20H2O390390117701150
Antlerite  (*)Not in a structural groupCu2+3(SO4)(OH)43903901177010246
Calcite  (*)CalciteCa(CO3)390390117700627770
Chalcanthite  (*)ChalcanthiteCu(SO4)·5H2O3903901177006925
Chalcocite  (*)NoneCu2S39039011770065707
Chalcopyrite  (*)ChalcopyriteCuFeS23903903177006,177013,17701427198
Copiapite  (*)CopiapiteFe2+Fe3+4(SO4)6(OH)2·20H2O3903901177011382
Coquimbite  (*)CoquimbiteAlFe3(SO4)6(H2O)12·6H2O3903902177006,177011136
Covellite  (*)CovelliteCuS39039011770064165
Galena  (*)RocksaltPbS390390117700624243
Gold  (*)CopperAu3903904177012,177013,177016,17701730554
Greenockite  (*)WurtziteCdS3903901177006717
Halotrichite  (*)HalotrichiteFe2+Al2(SO4)4·22H2O3903901177006409
Hematite  (*)CorundumFe2O33903902177006,17701514640
Ilmenite  (*)CorundumFe2+Ti4+O339039011770065433
Inyoite  (*)NoneCaB3O3(OH)5·4H2O390390117700634
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)63903902177006,1770112228
Kornelite  (*)Not in a structural groupFe3+2(SO4)3·7H2O (?)390390117700621
Lepidocrocite  (*)LepidocrociteFe3+O(OH)3903901177006581
Maghemite  (*)Spinel(Fe3+0.67   0.33)Fe3+2O43903901177006229
Magnesiocopiapite  (*)CopiapiteMgFe3+4(SO4)6(OH)2·20H2O390390117701154
Magnetite  (*)SpinelFe2+Fe3+2O4390390117700614899
Malachite  (*)MalachiteCu2(CO3)(OH)2390390117700612537
Melanterite  (*)MelanteriteFe(SO4)·7H2O3903902177006,177011915
Platinum  (*)CopperPt3903901177006485
Pyrite  (*)PyriteFeS23903906177003,177005,177006,177011,177013,17701439462
Pyrrhotite  (*)NickelineFe7S839039011770069056
Quartz  (*)QuartzSiO23903904177006,177012,177013,17701761156
Rhomboclase  (*)Not in a structural group(H5O2)Fe3+(SO4)2·2H2O3903902177006,17701153
Römerite  (*)RömeriteFe2+Fe3+2(SO4)4·14H2O3903902177006,177011115
Rozenite  (*)StarkeyiteFe2+(SO4)·4H2O3903901177006293
Siderotil  (*)ChalcanthiteFe(SO4)·5H2O390390117700684
Silver  (*)CopperAg39039011770065186
Sphalerite  (*)SphaleriteZnS3903902177006,17701421482
Sulphur  (*)SulphurS39039011770062045
Szomolnokite  (*)KieseriteFe(SO4)·H2O3903902177006,177011139
Voltaite  (*)VoltaiteK2Fe2+5Fe3+3Al(SO4)12·18H2O3903902177006,177011111


1 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
vms-01031390390Devonian       S12023Iron Mountain Mine (Number 8; Confidence; Old Mine), Iron Mountain, Iron Mountain [town], West Shasta Copper - Zinc District, Klamath Mts, Shasta Co., California, USAIron MountainMoiser et al. (2009) USGSOFR2009_1034 

SampleSource LocalityReference URL

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