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:
MW Claim, Screw Creek, Cassiar Mts, Watson Lake Mining District, Yukon, Canada

mindat Locality ID: 16729
mindat URL: http://www.mindat.org/loc-16729.html

Tectonic Settings:

Total number of sublocalities beneath "MW Claim, Screw Creek, Cassiar Mts, Watson Lake Mining District, Yukon, Canada": 0
Total number of bottom-level sublocalities: 0

Latitude: 60°3'20"N
Longitude: 131°27'20"W
Decimal Degree (lat, lon): 60.055555555556,-131.45555555556

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The 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.

Arsenic	Arsenopyrite	Calcite	Danburite	Fluorite	Gadolinite	Garnet	Löllingite	None	Pyroxene
Rutile	Scheelite	Titanite	Wollastonite

Andradite ()*	Arsenopyrite ()*	Bismuth ()*	Bornite ()*	Calcite ()*
Cassiterite ()*	Chalcocite ()*	Danburite ()*	Datolite ()*	Diopside ()*
Fluorite ()*	Löllingite ()*	Malayaite ()*	Nordenskiöldine ()*	Scheelite ()*
Wollastonite ()*

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: As B Bi C Ca Cu F Fe H Mg O S Si Sn W

Structural Groups for minerals in this locality:
Arsenic Arsenopyrite Calcite Danburite Fluorite Gadolinite Garnet Löllingite None Pyroxene
Rutile Scheelite Titanite Wollastonite

16 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	1534
Arsenopyrite ()*	Arsenopyrite	FeAsS	9052
Bismuth ()*	Arsenic	Bi	1966
Bornite ()*	None	Cu₅FeS₄	5516
Calcite ()*	Calcite	Ca(CO₃)	27770
Cassiterite ()*	Rutile	SnO₂	5171
Chalcocite ()*	None	Cu₂S	5707
Danburite ()*	Danburite	CaB₂Si₂O₈	148
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	498
Diopside ()*	Pyroxene	CaMgSi₂O₆	4135
Fluorite ()*	Fluorite	CaF₂	9617
Löllingite ()*	Löllingite	FeAs₂	762
Malayaite ()*	Titanite	CaSnO(SiO₄)	40
Nordenskiöldine ()*	None	CaSn(BO₃)₂	16
Scheelite ()*	Scheelite	Ca(WO₄)	4894
Wollastonite ()*	Wollastonite	CaSiO₃	1247

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL
R060185	MW Claim, Screw Creek, Cassiar Mts, Watson Lake Mining District, Yukon, Canada	https://rruff.info/R060185
R061079	MW Claim, Screw Creek, Cassiar Mts, Watson Lake Mining District, Yukon, Canada	https://rruff.info/R061079

All locality data graciously provided by mindat.org

All age data...