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:
Kjørholt, Brevik, Porsgrunn, Telemark, Norway

mindat Locality ID: 24568
mindat URL: http://www.mindat.org/loc-24568.html

Tectonic Settings:

Total number of sublocalities beneath "Kjørholt, Brevik, Porsgrunn, Telemark, Norway": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Dalen-Kjørholt Mine

Latitude: 59°3'47"N
Longitude: 9°41'2"E
Decimal Degree (lat, lon): 59.063055555556,9.6838888888889

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.

Analcime	Apophyllite	Baryte	Calcite	Clay	Fluorite	Marcasite	Nickeline	None	Not in a structural group
Palygorskite	Pyrite	Quartz	Rutile

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 Ba C Ca F Fe H K Mg Mn Na O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Analcime Apophyllite Baryte Calcite Clay Fluorite Marcasite Nickeline None Not in a structural group
Palygorskite Pyrite Quartz Rutile

12 IMA Minerals at location:

Analcime ()*	Baryte ()*	Calcite ()*	Fluorapophyllite-(K) ()*	Fluorite ()*
Laumontite ()*	Manganite ()*	Marcasite ()*	Palygorskite ()*	Pyrite ()*
Pyrrhotite ()*	Quartz ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1	93877	1627
Baryte ()*	Baryte	Ba(SO₄)	1	93877	11547
Calcite ()*	Calcite	Ca(CO₃)	1	93877	27770
Fluorapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀F·8H₂O	1	93877	303
Fluorite ()*	Fluorite	CaF₂	1	93877	9617
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1	93877	1271
Manganite ()*	Rutile	Mn³⁺O(OH)	1	93877	770
Marcasite ()*	Marcasite	FeS₂	1	93877	5674
Palygorskite ()*	Palygorskite Clay	(Mg,Al)₂Si₄O₁₀(OH)·4H₂O	1	93877	306
Pyrite ()*	Pyrite	FeS₂	1	93877	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	93877	9056
Quartz ()*	Quartz	SiO₂	1	93877	61156

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...