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:
Chapleau Township, Sudbury District, Ontario, Canada

Oldest recorded age at locality: 1115
Youngest recorded age at locality: 952

mindat Locality ID: 255368
mindat URL: http://www.mindat.org/loc-255368.html

Tectonic Settings:

Total number of sublocalities beneath "Chapleau Township, Sudbury District, Ontario, Canada": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Nemegosenda Lake

Latitude: 48°1'7"N
Longitude: 83°4'45"W
Decimal Degree (lat, lon): 48.018611111111,-83.079166666667

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.

Baryte	Fluorite	Garnet	None	Pyroxene	Rocksalt	Sphalerite	Spinel	Tridymite	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: Al Ba Ca F Fe K Na O Pb S Si Ti Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Baryte Fluorite Garnet None Pyroxene Rocksalt Sphalerite Spinel Tridymite Wollastonite

10 IMA Minerals at location:

Aegirine ()*	Andradite ()*	Baryte ()*	Fluorite ()*	Galena ()*
Magnetite ()*	Nepheline ()*	Sphalerite ()*	Wollastonite ()*	Zirkelite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	1115	952	1	33075	1022
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	1115	952	1	33075	1534
Baryte ()*	Baryte	Ba(SO₄)	1115	952	1	33075	11547
Fluorite ()*	Fluorite	CaF₂	1115	952	1	33075	9617
Galena ()*	Rocksalt	PbS	1115	952	1	33075	24243
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1115	952	1	33075	14899
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	1115	988	1	33075	884
Sphalerite ()*	Sphalerite	ZnS	1115	952	1	33075	21482
Wollastonite ()*	Wollastonite	CaSiO₃	1115	952	1	33075	1247
Zirkelite ()*	Fluorite	(Ti,Ca,Zr)O_2-x	1115	952	1	33075	27

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000515	carbonatite complex
Jen_0001008	MAGMATIC STYLE: Lenticular masses, dykes and veins in fenites. ASSOCIATED SILICATE ROCKS: Nepheline syenite, syenitic breccia, malignite, pseudoleucite malignite, jacupirangite, ijolite, gabbro, lamprophyre and fenite.
Jen_0001009	MAGMATIC STYLE: Lenticular masses, dykes and veins in fenites. ASSOCIATED SILICATE ROCKS: Nepheline syenite, syenitic breccia, malignite, pseudoleucite malignite, jacupirangite, ijolite, gabbro, lamprophyre and fenite.

5 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
CJES4_651_0001	1115	988	1051.5 ± 63.5	K-Ar	mineralization	nepheline	Nepheline	227764	Nemegosenda Lake, Chapleau Township, Sudbury District, Ontario, Canada	Nemegosenda lake	Gittins (1967)		CJES4_651
Jen_0000515	1108	1102.8	1105.4±2.6	U-Pb				227764	Nemegosenda Lake, Chapleau Township, Sudbury District, Ontario, Canada	Nemegosenda Lake	Ernst and Bell (2010)	10.1007/s00710-009-0074-1	MP98_55
Jen_0001008	1078	952	1015±63	Rb-Sr		whole rock		227764	Nemegosenda Lake, Chapleau Township, Sudbury District, Ontario, Canada	Nemegosenda Lake	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
Jen_0001009	1010	1010	1010	K-Ar		nepheline	Nepheline	227764	Nemegosenda Lake, Chapleau Township, Sudbury District, Ontario, Canada	Nemegosenda Lake	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
ree-00222	1010	1010	min. 1010 Ma (K-Ar, neph)	K-Ar		nepheline	Nepheline	227764	Nemegosenda Lake, Chapleau Township, Sudbury District, Ontario, Canada	Nemegosenda Lake	Orris and Grauch (2002)		USGSOFR02_189

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...