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:
Valkeasuo (Hosko), Ilomantsi, North Karelia, Finland

Oldest recorded age at locality: 2858
Youngest recorded age at locality: 2683

mindat Locality ID: 13135
mindat URL: http://www.mindat.org/loc-13135.html

Tectonic Settings:

Total number of sublocalities beneath "Valkeasuo (Hosko), Ilomantsi, North Karelia, Finland": 0
Total number of bottom-level sublocalities: 0

Latitude: 63°4'47"N
Longitude: 31°8'59"E
Decimal Degree (lat, lon): 63.079722222222,31.149722222222

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.

Arsenopyrite	Chalcopyrite	Clay	Copper	Marcasite	Mica	Nickeline	None	Not in a structural group	Pyrite
Quartz	Scheelite	Sphalerite	Spinel	Tetradymite

Arsenopyrite ()*	Chalcopyrite ()*	Gold ()*	Magnetite ()*	Marcasite ()*
Muscovite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Scheelite ()*
Sillimanite ()*	Sphalerite ()*	Tellurobismuthite ()*

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 Ca Cu Fe H K O S Si Te W Zn

Elements from minerals reported directly at this locality: Al As Au Bi Ca Cu Fe H K O S Si Te W Zn

Structural Groups for minerals in this locality:
Arsenopyrite Chalcopyrite Clay Copper Marcasite Mica Nickeline None Not in a structural group Pyrite
Quartz Scheelite Sphalerite Spinel Tetradymite

13 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	2858	2683	9052
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	2858	2683	27198
Gold ()*	Copper	Au	2783	2773	30554
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	2858	2683	14899
Marcasite ()*	Marcasite	FeS₂	2858	2683	5674
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	2858	2683	17380
Pyrite ()*	Pyrite	FeS₂	2858	2683	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	2858	2683	9056
Quartz ()*	Quartz	SiO₂	2858	2683	61156
Scheelite ()*	Scheelite	Ca(WO₄)	2858	2683	4894
Sillimanite ()*	Not in a structural group	Al₂SiO₅	2858	2683	1516
Sphalerite ()*	Sphalerite	ZnS	2858	2683	21482
Tellurobismuthite ()*	Tetradymite	Bi₂Te₃	2858	2683	276

8 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Sample 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
Mo-00241	2782	2760	2771±11	Re-Os		molybdenite	FN95-KV1	Yes	Molybdenite		Mo	39862	Kivisuo Prospect, Ilomantsi, North Karelia, Finland	Kivisuo	Stein et al. (1998)	10.1007/s001260050153	MD33_329
Mo-00242	2803	2781	2792±11	Re-Os		molybdenite	FN95-KV1	Yes	Molybdenite		Mo	39862	Kivisuo Prospect, Ilomantsi, North Karelia, Finland	Kivisuo	Stein et al. (1998)	10.1007/s001260050153	MD33_329
Kristen002258	2783	2773	2783-2773	Re-Os	mineralization age	molybdenite		Yes	Molybdenite		Mo, Au	204074	Kuittila Prospect, Ilomantsi, North Karelia, Finland	Kuittilai Mo-Au Prospect	Han et al. (2014)	10.1111/rge.12033	RG64_136
Mo-00409	2784	2762	2773±11	Re-Os		molybdenite	FN93-KU1	Yes	Molybdenite	Ferrimolybdite, Molybdenite	Mo	204074	Kuittila Prospect, Ilomantsi, North Karelia, Finland	Kuittila	Stein et al. (1998)	10.1007/s001260050153	MD33_329
Mo-00410	2794	2772	2783±11	Re-Os		molybdenite	FN95-KU1	Yes	Molybdenite	Ferrimolybdite, Molybdenite	Mo	204074	Kuittila Prospect, Ilomantsi, North Karelia, Finland	Kuittila	Stein et al. (1998)	10.1007/s001260050153	MD33_329
Mo-00484	2805	2749	2777±28	Re-Os		pyrite	FN93-KU1	Yes	Pyrite	Pyrite	Mo	204074	Kuittila Prospect, Ilomantsi, North Karelia, Finland	Kuittila	Stein et al. (1998)	10.1007/s001260050153	MD33_329
Mo-00485	2858	2802	2830±28	Re-Os		pyrite	FN93-KU1	Yes	Pyrite	Pyrite	Mo	204074	Kuittila Prospect, Ilomantsi, North Karelia, Finland	Kuittila	Stein et al. (1998)	10.1007/s001260050153	MD33_329
Mo-00486	2737	2683	2710±27	Re-Os		pyrite	FN93-KU1	Yes	Pyrite	Pyrite	Mo	204074	Kuittila Prospect, Ilomantsi, North Karelia, Finland	Kuittila	Stein et al. (1998)	10.1007/s001260050153	MD33_329

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...