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:
Lewiston, Weaverville District, Klamath Mts, Trinity Co., California, USA


mindat Locality ID: 208780
mindat URL: http://www.mindat.org/loc-208780.html

Tectonic Settings:

Total number of sublocalities beneath "Lewiston, Weaverville District, Klamath Mts, Trinity Co., California, USA": 21
Total number of bottom-level sublocalities: 21

Number of Child Localities: 21
Child Localities:
Bablew Placer Mine
Big Bend Placer
Chamberlain And Red Hill Placer
China Bar Placer Mine
Clayton Placer Mine
Cobb Group
Daisy Mine
Ditchline Occurrence
English Tom Mine
Grass Valley Creek Occurrence
Jenning Gulch Placer Mine
Lewiston Gold Dredging Company Placer
Mead Ranch Placer Mine
Pickett & Stofer (American-Italian)
Riley Placer Mine
Thompson Divide Minco Occurrence
Transocean Engineers Quarry
Trinity Dredging Company Placer
Trinity Star Placer Mine (Paulson Ranch)
Unnamed Au Mine (52)
Unnamed Au Occurrence (22)

Latitude: 40°43'34"N
Longitude: 122°48'13"W
Decimal Degree (lat, lon): 40.726111111111,-122.80361111111

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: Au Ca Fe Mo O Pb S Si W Zn 

Elements from minerals reported directly at this locality: Mo S 

Structural Groups for minerals in this locality: 
CopperMolybdeniteNonePyriteQuartzRocksaltScheeliteSphalerite

7 IMA Minerals at location:
Galena  (*)Gold  (*)Molybdenite  (*)Pyrite  (*)Quartz  (*)
Scheelite  (*)Sphalerite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Galena  (*)RocksaltPbS118213524243
Gold  (*)CopperAu13182129,182130,182131,182132,182133,182134,182135,182139,182140,182141,182143,182147,18214830554
Molybdenite  (*)MolybdeniteMoS205800
Pyrite  (*)PyriteFeS2118213539462
Quartz  (*)QuartzSiO22182135,18214861156
Scheelite  (*)ScheeliteCa(WO4)11821364894
Sphalerite  (*)SphaleriteZnS118213521482



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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