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:
Riukka Prospect, Somero, Southwest Finland, Finland

Oldest recorded age at locality: 1820
Youngest recorded age at locality: 1790

mindat Locality ID: 254859
mindat URL: http://www.mindat.org/loc-254859.html

Tectonic Settings:

Total number of sublocalities beneath "Riukka Prospect, Somero, Southwest Finland, Finland": 0
Total number of bottom-level sublocalities: 0

Latitude: 60°43'5"N
Longitude: 23°26'58"E
Decimal Degree (lat, lon): 60.718055555556,23.449444444444

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.

Arsenic	Arsenopyrite	Chalcopyrite	Copper	Corundum	Löllingite	Nickeline	None	Pyrite	Rocksalt
Rutile	Scheelite	Sphalerite	Spinel	Tetradymite

Arsenopyrite ()*	Bismuth ()*	Chalcopyrite ()*	Galena ()*	Gold ()*
Hedleyite ()*	Hessite ()*	Ilmenite ()*	Joséite-B ()*	Löllingite ()*
Magnetite ()*	Pyrite ()*	Pyrrhotite ()*	Rutile ()*	Scheelite ()*
Sphalerite ()*

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: Ag As Au Bi Ca Cu Fe O Pb S Te Ti W Zn

Elements from minerals reported directly at this locality: Ag As Au Bi Ca Cu Fe O Pb S Te Ti W Zn

Structural Groups for minerals in this locality:
Arsenic Arsenopyrite Chalcopyrite Copper Corundum Löllingite Nickeline None Pyrite Rocksalt
Rutile Scheelite Sphalerite Spinel Tetradymite

16 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	1820	1790	9052
Bismuth ()*	Arsenic	Bi	1820	1790	1966
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1820	1790	27198
Galena ()*	Rocksalt	PbS	1820	1790	24243
Gold ()*	Copper	Au	1820	1790	30554
Hedleyite ()*	Tetradymite	Bi₇Te₃	1820	1790	104
Hessite ()*	None	Ag₂Te	1820	1790	804
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1820	1790	5433
Joséite-B ()*	Tetradymite	Bi₄Te₂S	1820	1790	86
Löllingite ()*	Löllingite	FeAs₂	1820	1790	762
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1820	1790	14899
Pyrite ()*	Pyrite	FeS₂	1820	1790	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1820	1790	9056
Rutile ()*	Rutile	TiO₂	1820	1790	5614
Scheelite ()*	Scheelite	Ca(WO₄)	1820	1790	4894
Sphalerite ()*	Sphalerite	ZnS	1820	1790	21482

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
	Kristen002406	1820	1790			gold mineralization					Yes			Au	250922	Satulinmäki Prospect, Somero, Southwest Finland, Finland	Riukka and Satulinmaki Gold Prospects	Saalmann et al. (2009)	10.1016/j.precamres.2009.06.005	PR174_53

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...