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:
Altoona District, Trinity Mts, Klamath Mts, Trinity Co., California, USA

Oldest recorded age at locality: 465
Youngest recorded age at locality: 465

mindat Locality ID: 215531
mindat URL: http://www.mindat.org/loc-215531.html

Tectonic Settings:

Total number of sublocalities beneath "Altoona District, Trinity Mts, Klamath Mts, Trinity Co., California, USA": 52
Total number of bottom-level sublocalities: 47

Number of Child Localities: 3
Child Localities:
Boulder Peak
Eldenlow Claim
Ramshorn Summit

Latitude: 41°9'15"N
Longitude: 122°32'31"W
Decimal Degree (lat, lon): 41.154166666667,-122.54194444444

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: As Au Ba C Ca Cr Cu Fe H Hg Mg Mn Ni O S Sb Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleBaryteCalciteChalcopyriteCopperGarnetMalachiteNoneNot in a structural groupPyrite
QuartzSpinelStibniteVivianite

17 IMA Minerals at location:
Ankerite  (*)Annabergite  (*)Azurite  (*)Baryte  (*)Chalcopyrite  (*)
Chromite  (*)Cinnabar  (*)Gold  (*)Jacobsite  (*)Magnesite  (*)
Malachite  (*)Mercury  (*)Pyrite  (*)Quartz  (*)Stibnite  (*)
Tremolite  (*)Uvarovite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)211818963092
Annabergite  (*)VivianiteNi3(AsO4)2·8H2O1181873445
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)211819165509
Baryte  (*)BaryteBa(SO4)118189611547
Chalcopyrite  (*)ChalcopyriteCuFeS2118191627198
Chromite  (*)SpinelFe2+Cr2O446546515181867,181870,181871,181872,181873,181874,181876,181877,181880,181882,181883,181884,181886,181902,1819063902
Cinnabar  (*)NoneHgS8181896,181897,181898,181904,181907,181908,181910,1819112600
Gold  (*)CopperAu5181879,181885,181900,181909,18191530554
Jacobsite  (*)SpinelMn2+Fe3+2O41181883172
Magnesite  (*)CalciteMg(CO3)11819071487
Malachite  (*)MalachiteCu2(CO3)(OH)2118191612537
Mercury  (*)NoneHg2181896,181907397
Pyrite  (*)PyriteFeS22181896,18191639462
Quartz  (*)QuartzSiO23181896,181909,18191561156
Stibnite  (*)StibniteSb2S311818963418
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)211818932562
Uvarovite  (*)GarnetCa3Cr2(SiO4)34654651181877212



2 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
podchrome-00304465465Ordovician       Cr96844Section 14 Claim, Crow Creek Group (Chapman-Kirby Claims; McConnell-Kirby), Boulder Peak, Altoona District, Trinity Mts, Klamath Mts, Trinity Co., California, USASection 14Moiser et al. (2012) USGSSIR2012_5157 
podchrome-00305465465Ordovician       Cr240604Munko Prospect (Ruby Lily), Boulder Peak, Altoona District, Trinity Mts, Klamath Mts, Trinity Co., California, USAMunko ClaimsMoiser et al. (2012) USGSSIR2012_5157 


SampleSource LocalityReference URL


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