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:
Contwoyto Lake, Northwest Territories, Canada

mindat Locality ID: 282538
mindat URL: http://www.mindat.org/loc-282538.html

Tectonic Settings:

Total number of sublocalities beneath "Contwoyto Lake, Northwest Territories, Canada": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Jericho Kimberlite Pipe
Ranch Lake Kimberlite Pipe

Latitude: 67°38'8"N
Longitude: 111°29'40"W
Decimal Degree (lat, lon): 67.635555555556,-111.49444444444

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	Clay	Clinozoisite	Corundum	Diamond	Epidote	Garnet	Mica	Nickeline	None
Not in a structural group	Olivine	Pentlandite	Pyroxene	Rutile	Serpentine	Spinel	Talc	Zircon

Baryte ()*	Chromite ()*	Chrysotile ()*	Diamond ()*	Diopside ()*
Enstatite ()*	Epidote ()*	Forsterite ()*	Ilmenite ()*	Kyanite ()*
Omphacite ()*	Pentlandite ()*	Phlogopite ()*	Pyrope ()*	Pyrrhotite ()*
Rutile ()*	Spinel ()*	Talc ()*	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 Cr Fe H K Mg Na Ni O S Si Ti Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Baryte Clay Clinozoisite Corundum Diamond Epidote Garnet Mica Nickeline None
Not in a structural group Olivine Pentlandite Pyroxene Rutile Serpentine Spinel Talc Zircon

19 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Baryte ()*	Baryte	Ba(SO₄)	1	31014	11547
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	1	31015	3902
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	1	31014	951
Diamond ()*	Diamond	C	2	31014,31015	697
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	31014	4135
Enstatite ()*	Pyroxene	Mg₂Si₂O₆	2	31014,31015	944
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	31014	8173
Forsterite ()*	Olivine	Mg₂(SiO₄)	1	31014	1188
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	31014	5433
Kyanite ()*	Not in a structural group	Al₂OSiO₄	1	31014	1507
Omphacite ()*	Pyroxene	(Ca,Na)(Mg,Fe,Al)Si₂O₆	1	31014	229
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈	1	31014	1512
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	1	31014	2273
Pyrope ()*	Garnet	Mg₃Al₂(SiO₄)₃	2	31014,31015	341
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	31014	9056
Rutile ()*	Rutile	TiO₂	1	31014	5614
Spinel ()*	Spinel	MgAl₂O₄	1	31014	1934
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	31014	3337
Zircon ()*	Zircon	Zr(SiO₄)	1	31014	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...