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:
Kuhmo, Kainuu, Finland

Oldest recorded age at locality: 3011
Youngest recorded age at locality: 2750

mindat Locality ID: 132090
mindat URL: http://www.mindat.org/loc-132090.html

Tectonic Settings:

Total number of sublocalities beneath "Kuhmo, Kainuu, Finland": 13
Total number of bottom-level sublocalities: 10

Number of Child Localities: 8
Child Localities:
Aittoranta (Iso Aittojärvi)
Amphibolite Outcrops
Härmälänkylä
Lentiira Kimberlite
Näätäniemi
Piilola
Sepponen
Siivikkovaara

Latitude: 64°20'36"N
Longitude: 29°4'27"E
Decimal Degree (lat, lon): 64.343333333333,29.074166666667

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	Arsenic	Arsenopyrite	Calcite	Chalcopyrite	Chlorite	Clay	Copper	Corundum	Diamond
Garnet	Nickeline	None	Olivine	Pentlandite	Pyrite	Pyroxene	Quartz	Rocksalt	Scheelite
Serpentine	Sphalerite	Spinel	Stibnite

Antigorite ()*	Arsenopyrite ()*	Bismuth ()*	Bismuthinite ()*	Calcite ()*
Chalcopyrite ()*	Chromite ()*	Clinochlore ()*	Diamond ()*	Diopside ()*
Dolomite ()*	Edenite ()*	Forsterite ()*	Galena ()*	Geikielite ()*
Gold ()*	Graphite ()*	Hematite ()*	Ilmenite ()*	Lizardite ()*
Magnesite ()*	Magnetite ()*	Maldonite ()*	Pentlandite ()*	Pyrite ()*
Pyrope ()*	Pyrophanite ()*	Pyrrhotite ()*	Quartz ()*	Scheelite ()*
Sphalerite ()*	Tremolite ()*

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 As Au Bi C Ca Cr Cu Fe H Mg Mn Na Ni O Pb S Si Ti W Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Arsenic Arsenopyrite Calcite Chalcopyrite Chlorite Clay Copper Corundum Diamond
Garnet Nickeline None Olivine Pentlandite Pyrite Pyroxene Quartz Rocksalt Scheelite
Serpentine Sphalerite Spinel Stibnite

32 IMA Minerals at location:

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
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄			3	49662,49663,49668	708
Arsenopyrite ()*	Arsenopyrite	FeAsS	3011	2750	4	49656,49659,49664,49665	9052
Bismuth ()*	Arsenic	Bi			1	49664	1966
Bismuthinite ()*	Stibnite	Bi₂S₃			1	49664	1935
Calcite ()*	Calcite	Ca(CO₃)			4	49657,49663,49665,49667	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			2	49659,49664	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄			2	49660,49662	3902
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈			3	49657,49663,49667	1756
Diamond ()*	Diamond	C			1	49660	697
Diopside ()*	Pyroxene	CaMgSi₂O₆			2	49657,49663	4135
Dolomite ()*	None	CaMg(CO₃)₂			1	49668	9895
Edenite ()*	Amphibole	NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂			2	49657,49667	160
Forsterite ()*	Olivine	Mg₂(SiO₄)			3	49662,49667,49668	1188
Galena ()*	Rocksalt	PbS			1	49659	24243
Geikielite ()*	Corundum	MgTiO₃			1	49663	70
Gold ()*	Copper	Au	3011	2750	3	49656,49664,49665	30554
Graphite ()*	None	C			1	49659	2812
Hematite ()*	Corundum	Fe₂O₃			1	49662	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			1	49662	5433
Lizardite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄			1	49662	359
Magnesite ()*	Calcite	Mg(CO₃)			1	49668	1487
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			2	49662,49668	14899
Maldonite ()*	None	Au₂Bi			1	49664	88
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈			1	49664	1512
Pyrite ()*	Pyrite	FeS₂			2	49659,49664	39462
Pyrope ()*	Garnet	Mg₃Al₂(SiO₄)₃			1	49660	341
Pyrophanite ()*	Corundum	Mn²⁺TiO₃			1	49662	244
Pyrrhotite ()*	Nickeline	Fe₇S₈			3	49659,49664,49665	9056
Quartz ()*	Quartz	SiO₂	3011	2750	4	49656,49659,49664,49665	61156
Scheelite ()*	Scheelite	Ca(WO₄)			1	49659	4894
Sphalerite ()*	Sphalerite	ZnS			2	49659,49664	21482
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂			2	49662,49663	2562

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Sample Num	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Jen_0000393	2770	2750	2760±10	Re-Os	molybdenite	CT-376	Molybdenite	250878	Aittoranta (Iso Aittojärvi), Kuhmo, Kainuu, Finland	Aittojarvi	Stein et al. (2001)	10.1046/j.1365-3121.2001.00395.x	TN13_479
Jen_0000394	2770	2752	2761±9	Re-Os	molybdenite	CT-377	Molybdenite	250878	Aittoranta (Iso Aittojärvi), Kuhmo, Kainuu, Finland	Aittojarvi	Stein et al. (2001)	10.1046/j.1365-3121.2001.00395.x	TN13_479
Jen_0000395	3011	2989	3000±11	Re-Os	molybdenite	CT-374	Molybdenite	250878	Aittoranta (Iso Aittojärvi), Kuhmo, Kainuu, Finland	Aittojarvi	Stein et al. (2001)	10.1046/j.1365-3121.2001.00395.x	TN13_479
Jen_0000396	2783	2763	2773±10	Re-Os	molybdenite	CT-375	Molybdenite	250878	Aittoranta (Iso Aittojärvi), Kuhmo, Kainuu, Finland	Aittojarvi	Stein et al. (2001)	10.1046/j.1365-3121.2001.00395.x	TN13_479

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...