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:
Big Spruce Lake Carbonatite, Mazenod Lake District, Northwest Territories, Canada

Oldest recorded age at locality: 1785
Youngest recorded age at locality: 1785

mindat Locality ID: 302283
mindat URL: http://www.mindat.org/loc-302283.html

Tectonic Settings:

Total number of sublocalities beneath "Big Spruce Lake Carbonatite, Mazenod Lake District, Northwest Territories, Canada": 0
Total number of bottom-level sublocalities: 0

Latitude: 63°32'59"N
Longitude: 115°55'"W
Decimal Degree (lat, lon): 63.549722222222,-115.91666666667

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.

Cancrinite-sodalite	Fluorite	None	Pyroxene	Sodalite	Spinel	Titanite	Tridymite

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 Ca Cl F Fe K Na O Si Ti

Elements from minerals reported directly at this locality: Al Ca Cl F Fe K Na O Si Ti

Structural Groups for minerals in this locality:
Cancrinite-sodalite Fluorite None Pyroxene Sodalite Spinel Titanite Tridymite

6 IMA Minerals at location:

Aegirine ()*	Fluorite ()*	Magnetite ()*	Nepheline ()*	Sodalite ()*
Titanite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	1785	1785	1022
Fluorite ()*	Fluorite	CaF₂	1785	1785	9617
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1785	1785	14899
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	1785	1785	884
Sodalite ()*	Cancrinite-sodalite Sodalite	Na₄(Si₃Al₃)O₁₂Cl	1785	1785	444
Titanite ()*	Titanite	CaTi(SiO₄)O	1785	1785	4899

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0001059	ASSOCIATED SILICATE ROCKS: Ijolite, magnetite-rich amphibolite, nepheline syenite and quartz syenite or fenite

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
	Jen_0001059	1785	1785	1785	K-Ar			biotite							302283	Big Spruce Lake Carbonatite, Mazenod Lake District, Northwest Territories, Canada	Bigspruce Lake	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...