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:
Kjeøya W (Tritomite Occurrence), Kjeøya, Barkevik Area, Langesundsfjorden, Larvik, Vestfold, Norway

Oldest recorded age at locality: 294
Youngest recorded age at locality: 294

mindat Locality ID: 238986
mindat URL: http://www.mindat.org/loc-238986.html

Tectonic Settings:

Total number of sublocalities beneath "Kjeøya W (Tritomite Occurrence), Kjeøya, Barkevik Area, Langesundsfjorden, Larvik, Vestfold, Norway": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Apatite	Apophyllite	Arsenopyrite	Astrophyllite	None	Wöhlerite

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: As B Ca Ce F Fe H K Na Nb O P S Si Ti Zr

Elements from minerals reported directly at this locality: As B Ca Ce F Fe H K Na Nb O P S Si Ti Zr

Structural Groups for minerals in this locality:
Apatite Apophyllite Arsenopyrite Astrophyllite None Wöhlerite

6 IMA Minerals at location:

Arsenopyrite ()*	Astrophyllite ()*	Fluorapatite ()*	Fluorapophyllite-(K) ()*	Tritomite-(Ce) ()*
Wöhlerite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	294	294	9052
Astrophyllite ()*	Astrophyllite	K₂NaFe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄F	294	294	161
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	294	294	2740
Fluorapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀F·8H₂O	294	294	303
Tritomite-(Ce) ()*	Apatite	Ce₅(SiO₄,BO₄)₃(OH,O)	294	294	19
Wöhlerite ()*	Wöhlerite	Na₂Ca₄Zr(Nb,Ti)(Si₂O₇)₂(O,F)₄	294	294	83

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
	Be-00062	294	294	294			high				Yes		Gugiaite	Be	146895	Thorstein Quarry, Brunlanes, Larvik, Vestfold, Norway	Larvik plutonic complex, Norway	Larsen (2010)		BOOK_LHGPM_2010

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...