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:
Wet Legs Deposit, Western Margin Duluth Complex, St. Louis Co., Minnesota, USA

Oldest recorded age at locality: 1100
Youngest recorded age at locality: 1100

mindat Locality ID: 167617
mindat URL: http://www.mindat.org/loc-167617.html

Tectonic Settings:

Total number of sublocalities beneath "Wet Legs Deposit, Western Margin Duluth Complex, St. Louis Co., Minnesota, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 47°34'56"N
Longitude: 92°2'15"W
Decimal Degree (lat, lon): 47.582222222222,-92.0375

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.

Chalcopyrite	Clay	Cobaltite	Covellite	Cubanite	Digenite	Löllingite	Mica	Nickeline	None
Pentlandite	Prehnite	Pyrite	Pyroxene	Wurtzite

Augite ()*	Bornite ()*	Chalcopyrite ()*	Cobaltite ()*	Covellite ()*
Cubanite ()*	Digenite ()*	Graphite ()*	Löllingite ()*	Maucherite ()*
Muscovite ()*	Nickeline ()*	Gersdorffite-Pa3 ()*	Pentlandite ()*	Prehnite ()*
Pyrrhotite ()*	Rammelsbergite ()*	Safflorite ()*	Sperrylite ()*	Stibiopalladinite ()*
Yarrowite ()*

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 As C Ca Co Cu Fe H K Mg Ni O Pd Pt S Sb Si

Elements from minerals reported directly at this locality: Al As C Ca Co Cu Fe H K Mg Ni O Pd Pt S Sb Si

Structural Groups for minerals in this locality:
Chalcopyrite Clay Cobaltite Covellite Cubanite Digenite Löllingite Mica Nickeline None
Pentlandite Prehnite Pyrite Pyroxene Wurtzite

21 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1100	1100	2060
Bornite ()*	None	Cu₅FeS₄	1100	1100	5516
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1100	1100	27198
Cobaltite ()*	Cobaltite	CoAsS	1100	1100	966
Covellite ()*	Covellite	CuS	1100	1100	4165
Cubanite ()*	Cubanite Wurtzite	CuFe₂S₃	1100	1100	802
Digenite ()*	Digenite	Cu_1.8S	1100	1100	1027
Graphite ()*	None	C	1100	1100	2812
Löllingite ()*	Löllingite	FeAs₂	1100	1100	762
Maucherite ()*	None	Ni₁₁As₈	1100	1100	161
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1100	1100	17380
Nickeline ()*	Nickeline	NiAs	1100	1100	633
Gersdorffite-Pa3 ()*	Pyrite	NiAsS	1100	1100	767
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈	1100	1100	1512
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1100	1100	1898
Pyrrhotite ()*	Nickeline	Fe₇S₈	1100	1100	9056
Rammelsbergite ()*	Löllingite	NiAs₂	1100	1100	233
Safflorite ()*	Löllingite	CoAs₂	1100	1100	317
Sperrylite ()*	Pyrite	PtAs₂	1100	1100	337
Stibiopalladinite ()*	None	Pd₅Sb₂	1100	1100	75
Yarrowite ()*	None	Cu₉S₈	1100	1100	70

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	EG105_1057_010	1100	1100	1100							Yes			Ni, Cu, Pt, Pd, Rh, Ir, Os, Ru	167667	Western Margin Duluth Complex, St. Louis Co., Minnesota, USA	Duluth	Begg et al. (2010)	10.2113/econgeo.105.6.1057	EG105_1057

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...