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:
French Hill, Klamath Mts, Del Norte Co., California, USA

Oldest recorded age at locality: 163
Youngest recorded age at locality: 163

mindat Locality ID: 231101
mindat URL: http://www.mindat.org/loc-231101.html

Tectonic Settings:

Total number of sublocalities beneath "French Hill, Klamath Mts, Del Norte Co., California, USA": 14
Total number of bottom-level sublocalities: 13

Number of Child Localities: 11
Child Localities:
Aurora Morgan Placer
Camp 7 Group
Cleary Placer
Del Norte Occurrence
Doctor Young Placer Mine
French Hill
French Hill Chrome Mine (French Hill Deposit; Tyson Mine; J. & W. Mine)
French Hill Placer Prospect
Last Chance Mine
Lucky Day Placer Mine
Unnamed Au Placer [11] (Klondike - ?)

Latitude: 41°49'2"N
Longitude: 123°58'9"W
Decimal Degree (lat, lon): 41.817222222222,-123.96916666667
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 C Ca Cr Cu Fe H Mg Mo O Pt S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AragoniteCalciteClayCopperEnargiteGarnetNoneQuartzSpinelTalc
Wurtzite

13 IMA Minerals at location:
Aragonite  (*)Bornite  (*)Chromite  (*)Enargite  (*)Ferrimolybdite  (*)
Gold  (*)Magnesiochromite  (*)Magnesite  (*)Magnetite  (*)Platinum  (*)
Quartz  (*)Talc  (*)Uvarovite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aragonite  (*)AragoniteCa(CO3)16316311538803250
Bornite  (*)NoneCu5FeS411538765516
Chromite  (*)SpinelFe2+Cr2O411538793902
Enargite  (*)Enargite WurtziteCu3AsS41153876910
Ferrimolybdite  (*)NoneFe3+2(Mo6+O4)3·7H2O1153876345
Gold  (*)CopperAu7153871,153873,153875,153878,153881,153882,15388330554
Magnesiochromite  (*)SpinelMgCr2O41631631153880311
Magnesite  (*)CalciteMg(CO3)1631632153872,1538801487
Magnetite  (*)SpinelFe2+Fe3+2O4163163115388014899
Platinum  (*)CopperPt1153881485
Quartz  (*)QuartzSiO2115388261156
Talc  (*)Clay TalcMg3Si4O10(OH)216316311538803337
Uvarovite  (*)GarnetCa3Cr2(SiO4)31631631153880212


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
podchrome-00250163163Middle Jurassic (162-164 Ma)       Cr74639French Hill Chrome Mine (French Hill Deposit; Tyson Mine; J. & W. Mine), French Hill, Klamath Mts, Del Norte Co., California, USATysonMoiser et al. (2012) USGSSIR2012_5157 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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