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

mindat Locality ID: 281198
mindat URL: http://www.mindat.org/loc-281198.html

Tectonic Settings:

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

Number of Child Localities: 1
Child Localities:
MW Claim

Latitude: 60°3'19"N
Longitude: 131°27'19"W
Decimal Degree (lat, lon): 60.055277777778,-131.45527777778

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:

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 Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	1	35325	1534
Arsenopyrite ()*	Arsenopyrite	FeAsS	1	35325	9052
Bismuth ()*	Arsenic	Bi	1	35325	1966
Bornite ()*	None	Cu₅FeS₄	1	35325	5516
Calcite ()*	Calcite	Ca(CO₃)	1	35325	27770
Cassiterite ()*	Rutile	SnO₂	1	35325	5171
Chalcocite ()*	None	Cu₂S	1	35325	5707
Danburite ()*	Danburite	CaB₂Si₂O₈	1	35325	148
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	1	35325	498
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	35325	4135
Fluorite ()*	Fluorite	CaF₂	1	35325	9617
Löllingite ()*	Löllingite	FeAs₂	1	35325	762
Malayaite ()*	Titanite	CaSnO(SiO₄)	1	35325	40
Nordenskiöldine ()*	None	CaSn(BO₃)₂	1	35325	16
Scheelite ()*	Scheelite	Ca(WO₄)	1	35325	4894
Wollastonite ()*	Wollastonite	CaSiO₃	1	35325	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...