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:
Cassiar Mts, Watson Lake Mining District, Yukon, Canada


mindat Locality ID: 206335
mindat URL: http://www.mindat.org/loc-206335.html

Tectonic Settings:

Total number of sublocalities beneath "Cassiar Mts, Watson Lake Mining District, Yukon, Canada": 2
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Screw Creek

Latitude: 60°3'18"N
Longitude: 131°27'19"W
Decimal Degree (lat, lon): 60.055,-131.45527777778

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 B Bi C Ca Cu F Fe H Mg O S Si Sn W 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ArsenicArsenopyriteCalciteDanburiteFluoriteGadoliniteGarnetLöllingiteNonePyroxene
RutileScheeliteTitaniteWollastonite

16 IMA Minerals at location:
Andradite  (*)Arsenopyrite  (*)Bismuth  (*)Bornite  (*)Calcite  (*)
Cassiterite  (*)Chalcocite  (*)Danburite  (*)Datolite  (*)Diopside  (*)
Fluorite  (*)Löllingite  (*)Malayaite  (*)Nordenskiöldine  (*)Scheelite  (*)
Wollastonite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Andradite  (*)GarnetCa3Fe3+2(SiO4)31353251534
Arsenopyrite  (*)ArsenopyriteFeAsS1353259052
Bismuth  (*)ArsenicBi1353251966
Bornite  (*)NoneCu5FeS41353255516
Calcite  (*)CalciteCa(CO3)13532527770
Cassiterite  (*)RutileSnO21353255171
Chalcocite  (*)NoneCu2S1353255707
Danburite  (*)DanburiteCaB2Si2O8135325148
Datolite  (*)GadoliniteCaB(SiO4)(OH)135325498
Diopside  (*)PyroxeneCaMgSi2O61353254135
Fluorite  (*)FluoriteCaF21353259617
Löllingite  (*)LöllingiteFeAs2135325762
Malayaite  (*)TitaniteCaSnO(SiO4)13532540
Nordenskiöldine  (*)NoneCaSn(BO3)213532516
Scheelite  (*)ScheeliteCa(WO4)1353254894
Wollastonite  (*)WollastoniteCaSiO31353251247



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL
R060185MW Claim, Screw Creek, Cassiar Mts, Watson Lake Mining District, Yukon, Canadahttps://rruff.info/R060185
R061079MW Claim, Screw Creek, Cassiar Mts, Watson Lake Mining District, Yukon, Canadahttps://rruff.info/R061079


All locality data graciously provided by mindat.org

All age data...

Other copyright data...