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:
Lac De Gras, Northwest Territories, Canada

mindat Locality ID: 10160
mindat URL: http://www.mindat.org/loc-10160.html

Tectonic Settings:

Total number of sublocalities beneath "Lac De Gras, Northwest Territories, Canada": 7
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Diavik Mine
Ekati Mine
Gahcho Kué Mine
Lac De Gras Project

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Apatite	Apophyllite	Aragonite	Baryte	Calcite	Clay	Clinozoisite	Coronadite	Corundum	Diamond
Djerfisherite	Epidote	Garnet	Iron	Mica	Monazite	Nickeline	None	Not in a structural group	Olivine
Pectolite	Perovskite	Pyrite	Pyroxene	Quartz	Rocksalt	Rutile	Spinel	Spurrite-Afwillite	Titanite
Wollastonite	Zircon

Almandine ()*	Baryte ()*	Bultfonteinite ()*	Calcite ()*	Chromite ()*
Coesite ()*	Diamond ()*	Diopside ()*	Djerfisherite ()*	Dolomite ()*
Eitelite ()*	Enstatite ()*	Epidote ()*	Fluorstrophite ()*	Forsterite ()*
Halite ()*	Heazlewoodite ()*	Hematite ()*	Hydroxyapophyllite-(K) ()*	Hydroxylapatite ()*
Ilmenite ()*	Iron ()*	Khibinskite ()*	Magnesiochromite ()*	Magnetite ()*
Monazite-(Ce) ()*	Monticellite ()*	Norsethite ()*	Pectolite ()*	Periclase ()*
Perovskite ()*	Phlogopite ()*	Priderite ()*	Pyrite ()*	Pyrope ()*
Pyrrhotite ()*	Quartz ()*	Rutile ()*	Spinel ()*	Suolunite ()*
Sylvite ()*	Tetraferriphlogopite ()*	Titanite ()*	Ulvöspinel ()*	Witherite ()*
Wollastonite ()*	Zircon ()*

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 C Ca Ce Cl Cr Cu F Fe H K Mg Na Ni O P S Si Sr Ti Zr

Elements from minerals reported directly at this locality: Ba C Ca Ce Cl Cr Cu F Fe H K Mg Na Ni O P S Si Sr Ti Zr

Structural Groups for minerals in this locality:
Apatite Apophyllite Aragonite Baryte Calcite Clay Clinozoisite Coronadite Corundum Diamond
Djerfisherite Epidote Garnet Iron Mica Monazite Nickeline None Not in a structural group Olivine
Pectolite Perovskite Pyrite Pyroxene Quartz Rocksalt Rutile Spinel Spurrite-Afwillite Titanite
Wollastonite Zircon

47 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	1	31044	2353
Baryte ()*	Baryte	Ba(SO₄)	1	31047	11547
Bultfonteinite ()*	Spurrite-Afwillite	Ca₂SiO₃(OH)F·H₂O	0		20
Calcite ()*	Calcite	Ca(CO₃)	1	31047	27770
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	2	31043,31047	3902
Coesite ()*	Not in a structural group	SiO₂	1	31043	77
Diamond ()*	Diamond	C	6	31042,31043,31044,31045,31046,31048	697
Diopside ()*	Pyroxene	CaMgSi₂O₆	2	31044,31047	4135
Djerfisherite ()*	Djerfisherite	K₆(Fe,Cu,Ni)₂₅S₂₆Cl	0		60
Dolomite ()*	None	CaMg(CO₃)₂	1	31044	9895
Eitelite ()*	None	Na₂Mg(CO₃)₂	1	31044	20
Enstatite ()*	Pyroxene	Mg₂Si₂O₆	1	31044	944
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	31047	8173
Fluorstrophite ()*	Apatite	SrCaSr₃(PO₄)₃F	0		9
Forsterite ()*	Olivine	Mg₂(SiO₄)	2	31044,31047	1188
Halite ()*	Rocksalt	NaCl	1	31044	1398
Heazlewoodite ()*	None	Ni₃S₂	0		205
Hematite ()*	Corundum	Fe₂O₃	1	31047	14640
Hydroxyapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀(OH,F)·8H₂O	0		85
Hydroxylapatite ()*	Apatite	Ca₅(PO₄)₃OH	0		367
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	31044	5433
Iron ()*	Iron	Fe	0		1089
Khibinskite ()*	None	K₂ZrSi₂O₇	0		6
Magnesiochromite ()*	Spinel	MgCr₂O₄	0		311
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	0		14899
Monazite-(Ce) ()*	Monazite	Ce(PO₄)	0		945
Monticellite ()*	Olivine	CaMg(SiO₄)	1	31047	153
Norsethite ()*	None	BaMg(CO₃)₂	1	31044	30
Pectolite ()*	Pectolite	NaCa₂Si₃O₈(OH)	0		363
Periclase ()*	Rocksalt	MgO	2	31043,31045	114
Perovskite ()*	Perovskite	CaTiO₃	2	31045,31047	495
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	2	31044,31047	2273
Priderite ()*	Coronadite	K(Ti₇Fe³⁺)O₁₆	0		41
Pyrite ()*	Pyrite	FeS₂	0		39462
Pyrope ()*	Garnet	Mg₃Al₂(SiO₄)₃	1	31044	341
Pyrrhotite ()*	Nickeline	Fe₇S₈	0		9056
Quartz ()*	Quartz	SiO₂	1	31047	61156
Rutile ()*	Rutile	TiO₂	0		5614
Spinel ()*	Spinel	MgAl₂O₄	2	31044,31045	1934
Suolunite ()*	None	Ca₂Si₂O₅(OH)₂·H₂O	0		7
Sylvite ()*	Rocksalt	KCl	1	31044	275
Tetraferriphlogopite ()*	Mica	KMg₃(Si₃Fe³⁺)O₁₀(OH)₂	0		27
Titanite ()*	Titanite	CaTi(SiO₄)O	0		4899
Ulvöspinel ()*	Spinel	Fe²⁺₂TiO₄	0		120
Witherite ()*	Aragonite	Ba(CO₃)	0		251
Wollastonite ()*	Wollastonite	CaSiO₃	1	31047	1247
Zircon ()*	Zircon	Zr(SiO₄)	1	31044	5251

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...