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:
Bårdfjordnes, Seiland Island, Hammerfest, Finnmark, Norway

Oldest recorded age at locality: 533
Youngest recorded age at locality: 470

mindat Locality ID: 265489
mindat URL: http://www.mindat.org/loc-265489.html

Tectonic Settings:

Total number of sublocalities beneath "Bårdfjordnes, Seiland Island, Hammerfest, Finnmark, Norway": 0
Total number of bottom-level sublocalities: 0

Latitude: 70°24'28"N
Longitude: 22°50'18"E
Decimal Degree (lat, lon): 70.407777777778,22.838333333333

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.

Calcite	Feldspar	None	Pyroxene

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 Mg Na O Si

Elements from minerals reported directly at this locality: Al C Ca Fe Mg Na O Si

Structural Groups for minerals in this locality:
Calcite Feldspar None Pyroxene

3 IMA Minerals at location:

Aegirine-augite ()*	Albite ()*	Calcite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Aegirine-augite ()*	Pyroxene	(Ca,Na)(Fe³⁺,Mg,Fe²⁺)Si₂O₆	533	470	286
Albite ()*	Feldspar	Na(AlSi₃O₈)	533	470	8803
Calcite ()*	Calcite	Ca(CO₃)	533	470	27770

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000511	Baltica carbonatite complex
Jen_0001166	MAGMATIC STYLE: Segregations in the cores of nepheline syenite pegmatite dykes. ASSOCIATED SILICATE ROCKS: Peridotite, gabbro, syenogabbro, perthosite and nepheline syenite pegmatite.
Jen_0001167	MAGMATIC STYLE: Segregations in the cores of nepheline syenite pegmatite dykes. ASSOCIATED SILICATE ROCKS: Peridotite, gabbro, syenogabbro, perthosite and nepheline syenite pegmatite.

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Age from other Locality	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Jen_0000511	533	529	531±2	U-Pb	zircon	Yes	Zircon	212041	Seiland Island, Hammerfest, Finnmark, Norway	Seiland	Ernst and Bell (2010)	10.1007/s00710-009-0074-1	MP98_55
Jen_0001166	490	470	480±10	K-Ar	nepheline	Yes	Nepheline	212041	Seiland Island, Hammerfest, Finnmark, Norway	Seiland	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
Jen_0001167	496	476	486±10	K-Ar	nepheline	Yes	Nepheline	212041	Seiland Island, Hammerfest, Finnmark, Norway	Seiland	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...