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:
Upper Hayfork Creek Area, Klamath Mts, Trinity Co., California, USA

Oldest recorded age at locality: 164
Youngest recorded age at locality: 164

mindat Locality ID: 241494
mindat URL: http://www.mindat.org/loc-241494.html

Tectonic Settings:

Total number of sublocalities beneath "Upper Hayfork Creek Area, Klamath Mts, Trinity Co., California, USA": 31
Total number of bottom-level sublocalities: 26

Number of Child Localities: 4
Child Localities:
Red Mountain
South Dubakella Mountain
Unnamed Baryte Occurrence (1)
Wildwood

Latitude: 40°21'26"N
Longitude: 123°6'2"W
Decimal Degree (lat, lon): 40.357222222222,-123.10055555556
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: Al Ba C Cr Fe H K Mn O S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
BaryteCalciteClayMicaNoneOlivinePyriteRhodoniteRutileSpinel

10 IMA Minerals at location:
Baryte  (*)Bementite  (*)Chromite  (*)Hausmannite  (*)Muscovite  (*)
Pyrite  (*)Pyrolusite  (*)Rhodochrosite  (*)Rhodonite  (*)Tephroite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Baryte  (*)BaryteBa(SO4)118206611547
Bementite  (*)ClayMn7Si6O15(OH)81182059173
Chromite  (*)SpinelFe2+Cr2O416416412182054,182055,182057,182068,182070,182071,182072,182073,182074,182075,182076,1820793902
Hausmannite  (*)SpinelMn2+Mn3+2O41182059350
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2118206217380
Pyrite  (*)PyriteFeS22182060,18206439462
Pyrolusite  (*)RutileMnO211820613106
Rhodochrosite  (*)CalciteMn(CO3)11820591711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)1182059969
Tephroite  (*)OlivineMn2+2(SiO4)1182059240


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-00309164164Middle Jurassic (161-168 Ma)       Cr96173Boyer Group (July Nos. 1 And 2 Claims: September Morn Claim), Wildwood, Upper Hayfork Creek Area, Klamath Mts, Trinity Co., California, USABoyer GroupMoiser et al. (2012) USGSSIR2012_5157 
podchrome-00308164164Middle Jurassic (161-168 Ma)       Cr96912Sunny Slope Claim (King Kohle Claim; Triangle Claim; Cedar Gap Claim; Shamrock Claim), Collins Group, Wildwood, Upper Hayfork Creek Area, Klamath Mts, Trinity Co., California, USASunnyslope ClaimMoiser et al. (2012) USGSSIR2012_5157 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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