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:
Stjernøya Island, Alta, Finnmark, Norway

Oldest recorded age at locality: 525
Youngest recorded age at locality: 521

mindat Locality ID: 14149
mindat URL: http://www.mindat.org/loc-14149.html

Tectonic Settings:

Total number of sublocalities beneath "Stjernøya Island, Alta, Finnmark, Norway": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Lillebukt Nepheline Mine
Nabbaren Mt.

Latitude: 70°16'10"N
Longitude: 22°35'59"E
Decimal Degree (lat, lon): 70.269444444444,22.599722222222

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	Calcite	Clay	Corundum	Feldspar	Mica	None	Palygorskite	Pyroxene	Rutile
Smectite-vermiculite	Spinel	Stilpnomelane	Titanite	Tridymite

Aegirine ()*	Albite ()*	Anorthite ()*	Calcite ()*	Corundum ()*
Diopside ()*	Hastingsite ()*	Ilmenite ()*	Magnetite ()*	Montmorillonite ()*
Muscovite ()*	Nepheline ()*	Palygorskite ()*	Pargasite ()*	Rutile ()*
Spinel ()*	Stilpnomelane ()*	Titanite ()*

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 C Ca Fe H K Mg Na O Si Ti

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amphibole Calcite Clay Corundum Feldspar Mica None Palygorskite Pyroxene Rutile
Smectite-vermiculite Spinel Stilpnomelane Titanite Tridymite

18 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
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	525	521	1	91465	1022
Albite ()*	Feldspar	Na(AlSi₃O₈)	525	521	1	91465	8803
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	525	521	1	91465	1036
Calcite ()*	Calcite	Ca(CO₃)	525	521	1	91465	27770
Corundum ()*	Corundum	Al₂O₃	525	521	2	91465,91466	1797
Diopside ()*	Pyroxene	CaMgSi₂O₆	525	521	1	91465	4135
Hastingsite ()*	Amphibole	NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂	525	521	1	91465	209
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	525	521	1	91465	5433
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	525	521	1	91465	14899
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	525	521	1	91465	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	525	521	1	91465	17380
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	525	521	1	91465	884
Palygorskite ()*	Palygorskite Clay	(Mg,Al)₂Si₄O₁₀(OH)·4H₂O	525	521	1	91465	306
Pargasite ()*	Amphibole	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂	525	521	1	91465	313
Rutile ()*	Rutile	TiO₂			1	91466	5614
Spinel ()*	Spinel	MgAl₂O₄	525	521	1	91465	1934
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O	525	521	1	91465	456
Titanite ()*	Titanite	CaTi(SiO₄)O	525	521	1	91465	4899

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000510	Baltica carbonatite complex

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
	Jen_0000510	525	521	523±2	U-Pb			zircon				Zircon			108064	Lillebukt Nepheline Mine, Stjernøya Island, Alta, Finnmark, Norway	Lillebukt Complex	Ernst and Bell (2010)	10.1007/s00710-009-0074-1	MP98_55

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...