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:
Alexo Mine (Kelso), Dundonald Township, Timmins Area, Cochrane District, Ontario, Canada

Oldest recorded age at locality: 2707
Youngest recorded age at locality: 2707

mindat Locality ID: 9799
mindat URL: http://www.mindat.org/loc-9799.html

Tectonic Settings:

Total number of sublocalities beneath "Alexo Mine (Kelso), Dundonald Township, Timmins Area, Cochrane District, Ontario, Canada": 0
Total number of bottom-level sublocalities: 0

Latitude: 48°39'34"N
Longitude: 80°48'42"W
Decimal Degree (lat, lon): 48.659444444444,-80.811666666667

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.

Amphibole	Chalcopyrite	Clay	Diaspore	Hexahydrite	Nickeline	None	Pentlandite	Pyrite	Serpentine
Spinel

Actinolite ()*	Antigorite ()*	Chalcopyrite ()*	Chromite ()*	Chrysotile ()*
Goethite ()*	Heazlewoodite ()*	Hexahydrite ()*	Magnetite ()*	Oregonite ()*
Pentlandite ()*	Pyrite ()*	Pyrrhotite ()*

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: As Ca Cr Cu Fe H Mg Ni O S Si

Elements from minerals reported directly at this locality: As Ca Cr Cu Fe H Mg Ni O S Si

Structural Groups for minerals in this locality:
Amphibole Chalcopyrite Clay Diaspore Hexahydrite Nickeline None Pentlandite Pyrite Serpentine
Spinel

13 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	2707	2707	3419
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	2707	2707	708
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2707	2707	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	2707	2707	3902
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	2707	2707	951
Goethite ()*	Diaspore	FeO(OH)	2707	2707	7437
Heazlewoodite ()*	None	Ni₃S₂	2707	2707	205
Hexahydrite ()*	Hexahydrite	Mg(SO₄)·6H₂O	2707	2707	251
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	2707	2707	14899
Oregonite ()*	None	FeNi₂As₂	2707	2707	5
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈	2707	2707	1512
Pyrite ()*	Pyrite	FeS₂	2707	2707	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	2707	2707	9056

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Michelle_664	Ni-Cu sulfides in komatiite

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
	Michelle_664	2707	2707	2707		Age of deposit or general age of the metallogenic province								Ni, Cu	9799	Alexo Mine (Kelso), Dundonald Township, Timmins Area, Cochrane District, Ontario, Canada	Alexo	Hoatson et al. (2006)	10.1016/j.oregeorev.2006.05.002	OGR29_177	See Table. 1 Global resources of nickel metal and ages of the major nickel sulfide deposits of the world. Age can refer to the age of a specific nickel sulfide deposit, or the general age of the metallogenic province containing nickel deposits that are similar to a dated deposit (e.g. 2705 Ma Komatiite-hosted deposits in the Eastern Goldfields Province).

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...