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:
Eikaholmen, Langesundsfjorden, Larvik, Vestfold, Norway

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

mindat Locality ID: 13729
mindat URL: http://www.mindat.org/loc-13729.html

Tectonic Settings:

Total number of sublocalities beneath "Eikaholmen, Langesundsfjorden, Larvik, Vestfold, Norway": 0
Total number of bottom-level sublocalities: 0

Latitude: 59°0'34"N
Longitude: 9°47'37"E
Decimal Degree (lat, lon): 59.009444444444,9.7936111111111

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	Analcime	Astrophyllite	Calcite	Catapleiite	Fluorite	Löllingite	Molybdenite	Natrolite	None
Not in a structural group	Pyroxene	Sphalerite	Stilbite	Thomsonite	Tridymite	Zircon

Aegirine ()*	Analcime ()*	Arfvedsonite ()*	Astrophyllite ()*	Calcite ()*
Catapleiite ()*	Epididymite ()*	Eudidymite ()*	Fluorite ()*	Gibbsite ()*
Hambergite ()*	Leucophanite ()*	Löllingite ()*	Molybdenite ()*	Natrolite ()*
Nepheline ()*	Sphalerite ()*	Stilbite-Ca ()*	Thomsonite-Ca ()*	Thorite ()*

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 B Be C Ca F Fe H K Mo Na O S Si Th Ti Zn Zr

Elements from minerals reported directly at this locality: Al As B Be C Ca F Fe H K Mo Na O S Si Th Ti Zn Zr

Structural Groups for minerals in this locality:
Amphibole Analcime Astrophyllite Calcite Catapleiite Fluorite Löllingite Molybdenite Natrolite None
Not in a structural group Pyroxene Sphalerite Stilbite Thomsonite Tridymite Zircon

20 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	294	294	1022
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	294	294	1627
Arfvedsonite ()*	Amphibole	NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂	294	294	295
Astrophyllite ()*	Astrophyllite	K₂NaFe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄F	294	294	161
Calcite ()*	Calcite	Ca(CO₃)	294	294	27770
Catapleiite ()*	Catapleiite	Na₂Zr(Si₃O₉)·2H₂O	294	294	113
Epididymite ()*	Not in a structural group	Na₂Be₂Si₆O₁₅·H₂O	294	294	70
Eudidymite ()*	None	Na₂Be₂Si₆O₁₅·H₂O	294	294	42
Fluorite ()*	Fluorite	CaF₂	294	294	9617
Gibbsite ()*	None	Al(OH)₃	294	294	504
Hambergite ()*	None	Be₂(BO₃)(OH)	294	294	81
Leucophanite ()*	None	NaCaBeSi₂O₆F	294	294	55
Löllingite ()*	Löllingite	FeAs₂	294	294	762
Molybdenite ()*	Molybdenite	MoS₂	294	294	5800
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	294	294	1236
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	294	294	884
Sphalerite ()*	Sphalerite	ZnS	294	294	21482
Stilbite-Ca ()*	Stilbite	NaCa₄(Si₂₇Al₉)O₇₂·28H₂O	294	294	268
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O	294	294	452
Thorite ()*	Zircon	Th(SiO₄)	294	294	1006

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
R040005	Eikaholmen, Langesundsfjorden, Larvik, Vestfold, Norway	https://rruff.info/R040005

All locality data graciously provided by mindat.org

All age data...