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:
Sheffield Township, Lennox And Addington Co., Ontario, Canada

mindat Locality ID: 256485
mindat URL: http://www.mindat.org/loc-256485.html

Tectonic Settings:

Total number of sublocalities beneath "Sheffield Township, Lennox And Addington Co., Ontario, Canada": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Chisholm Mine
Dwyer Molybdenite Occurrence
Enterprise Mine (Foley Mine)
Trafford Tourmaline Occurrence (Burns Farm #2 ?)

Latitude: 44°32'48"N
Longitude: 76°52'38"W
Decimal Degree (lat, lon): 44.546666666667,-76.877222222222

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.

Alunite	Amphibole	Calcite	Clay	Copiapite	Feldspar	Gypsum	Hexahydrite	Molybdenite	Nickeline
None	Not in a structural group	Pyrite	Pyroxene	Quartz	Spinel	Talc	Titanite

Calcite ()*	Copiapite ()*	Diopside ()*	Fibroferrite ()*	Graphite ()*
Gypsum ()*	Hexahydrite ()*	Jarosite ()*	Magnetite ()*	Microcline ()*
Molybdenite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Spinel ()*
Talc ()*	Titanite ()*	Tremolite ()*

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 C Ca Fe H K Mg Mo O S Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Alunite Amphibole Calcite Clay Copiapite Feldspar Gypsum Hexahydrite Molybdenite Nickeline
None Not in a structural group Pyrite Pyroxene Quartz Spinel Talc Titanite

18 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	2	32596,32598	27770
Copiapite ()*	Copiapite	Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂·20H₂O	1	32598	382
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	32596	4135
Fibroferrite ()*	Not in a structural group	Fe³⁺(SO₄)(OH)·5H₂O	1	32598	107
Graphite ()*	None	C	1	32596	2812
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	32598	6890
Hexahydrite ()*	Hexahydrite	Mg(SO₄)·6H₂O	1	32598	251
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	1	32598	2228
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	32596	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	32596	4924
Molybdenite ()*	Molybdenite	MoS₂	3	32596,32597,32598	5800
Pyrite ()*	Pyrite	FeS₂	3	32596,32597,32598	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	2	32596,32598	9056
Quartz ()*	Quartz	SiO₂	2	32597,32599	61156
Spinel ()*	Spinel	MgAl₂O₄	1	32599	1934
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	32598	3337
Titanite ()*	Titanite	CaTi(SiO₄)O	1	32599	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1	32596	2562

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...