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:
Yankee Hill, Columbia District, East Belt, Tuolumne Co., California, USA


mindat Locality ID: 220952
mindat URL: http://www.mindat.org/loc-220952.html

Tectonic Settings:

Total number of sublocalities beneath "Yankee Hill, Columbia District, East Belt, Tuolumne Co., California, USA": 24
Total number of bottom-level sublocalities: 24

Number of Child Localities: 24
Child Localities:
Bessie Lode
Brown Geovanatte Placer
Colorado Occurrence (Yankee Hill; Zemicraw)
Crawford Placer
Dondebo Placer Mine
Experimental Mine
George Mullins Company Placer Mine (Mullin-Hampton Dredging Company)
Gold Nugget Placer
Hard Gravel Placer
Harvey Lode Claim
Hunter Fluming Mine
Ingolotti And Company Placer
John Royal Mine (John Royal Claim)
Jolly Travelers Sady Occurrence (Lone Trail; Little Queen)
Marble Placer
Marble Quarry
Old Home Placer
Page Placer Mine
Quartet Placer Mine
Red Gravel Placer
Reservoir Placer
Unnamed Kyanite Occurrence [1]
Wind Wheel Lode (Wind Wheel)
Yours Truly Placer

Latitude: 38°2'44"N
Longitude: 120°22'35"W
Decimal Degree (lat, lon): 38.045555555556,-120.37638888889

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 Au Cu Fe O Pb S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ChalcopyriteCopperNoneNot in a structural groupPyriteRocksalt

5 IMA Minerals at location:
Chalcopyrite  (*)Galena  (*)Gold  (*)Kyanite  (*)Pyrite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Chalcopyrite  (*)ChalcopyriteCuFeS2118300727198
Galena  (*)RocksaltPbS118300724243
Gold  (*)CopperAu9183006,183007,183008,183009,183010,183014,183019,183020,18302430554
Kyanite  (*)Not in a structural groupAl2OSiO411830231507
Pyrite  (*)PyriteFeS2118300739462



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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