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:
Bjerkreim, Rogaland, Norway

Oldest recorded age at locality: 977
Youngest recorded age at locality: 966

mindat Locality ID: 33250
mindat URL: http://www.mindat.org/loc-33250.html

Tectonic Settings:

Total number of sublocalities beneath "Bjerkreim, Rogaland, Norway": 23
Total number of bottom-level sublocalities: 18

Number of Child Localities: 15
Child Localities:
Citrine Locality
Åsen-Bjerkreim Ti-deposit
Berse Deposit
Bjordal
Bue
Eikeland
Glassberget (Ørsdalen)
Lauperak
Moi
Ørsdalen
Øykjalifjellet
Øykjalifjellet Mines
Rudleknuten
Vålandstjørn
Vikeså

Latitude: 58°38'37"N
Longitude: 6°13'31"E
Decimal Degree (lat, lon): 58.643611111111,6.2252777777778

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	Arsenic	Beryl	Calcite	Chalcopyrite	Clay	Columbite	Corundum	Cubanite	Diaspore
Garnet	Mica	Milarite	Molybdenite	Nickeline	None	Not in a structural group	Pentlandite	Pyrite	Pyroxene
Quartz	Sapphirine	Scheelite	Serpentine	Sphalerite	Spinel	Stibnite

Almandine ()*	Antigorite ()*	Bismuth ()*	Bismuthinite ()*	Calcite ()*
Chalcopyrite ()*	Cordierite ()*	Diaspore ()*	Enstatite ()*	Ferberite ()*
Fluorapatite ()*	Graphite ()*	Hematite ()*	Hercynite ()*	Ilmenite ()*
Isocubanite ()*	Magnetite ()*	Molybdenite ()*	Muscovite ()*	Osumilite ()*
Osumilite-(Mg) ()*	Pentlandite ()*	Phlogopite ()*	Pyrite ()*	Pyrrhotite ()*
Quartz ()*	Sapphirine ()*	Scheelite ()*	Sillimanite ()*	Spinel ()*
Ulvöspinel ()*

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 Bi C Ca Cu F Fe H K Mg Mo Ni O P S Si Ti W

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Apatite Arsenic Beryl Calcite Chalcopyrite Clay Columbite Corundum Cubanite Diaspore
Garnet Mica Milarite Molybdenite Nickeline None Not in a structural group Pentlandite Pyrite Pyroxene
Quartz Sapphirine Scheelite Serpentine Sphalerite Spinel Stibnite

31 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
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	977	966	1	92918	2353
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄			1	92916	708
Bismuth ()*	Arsenic	Bi	977	966	1	92918	1966
Bismuthinite ()*	Stibnite	Bi₂S₃	977	966	1	92918	1935
Calcite ()*	Calcite	Ca(CO₃)			1	92911	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	977	966	3	92918,92923,92928	27198
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	977	966	2	92918,92927	1008
Diaspore ()*	Diaspore	AlO(OH)			1	92927	481
Enstatite ()*	Pyroxene	Mg₂Si₂O₆			1	92927	944
Ferberite ()*	Columbite	Fe²⁺(WO₄)	977	966	2	92918,92919	551
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F			1	92911	2740
Graphite ()*	None	C			1	92924	2812
Hematite ()*	Corundum	Fe₂O₃			1	92922	14640
Hercynite ()*	Spinel	Fe²⁺Al₂O₄			2	92927,92928	407
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			3	92908,92909,92928	5433
Isocubanite ()*	Sphalerite Cubanite	CuFe₂S₃			1	92928	191
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	977	966	7	92908,92909,92918,92921,92927,92928,92929	14899
Molybdenite ()*	Molybdenite	MoS₂	977	966	3	92910,92918,92919	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			1	92927	17380
Osumilite ()*	Milarite	KFe₂(Al₅Si₁₀)O₃₀			1	92928	15
Osumilite-(Mg) ()*	Milarite	KMg₂Al₃(Al₂Si₁₀)O₃₀			1	92929	42
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈			1	92923	1512
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	977	966	2	92918,92927	2273
Pyrite ()*	Pyrite	FeS₂	977	966	2	92918,92928	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	977	966	3	92918,92921,92923	9056
Quartz ()*	Quartz	SiO₂			7	92907,92913,92914,92921,92922,92928,92929	61156
Sapphirine ()*	Sapphirine	Mg₄(Mg₃Al₉)O₄[Si₃Al₉O₃₆]			1	92927	129
Scheelite ()*	Scheelite	Ca(WO₄)	977	966	1	92918	4894
Sillimanite ()*	Not in a structural group	Al₂SiO₅			1	92928	1516
Spinel ()*	Spinel	MgAl₂O₄	977	966	2	92918,92929	1934
Ulvöspinel ()*	Spinel	Fe²⁺₂TiO₄	977	966	1	92918	120

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Sample Num	Dated Mineral	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference
Mo-00226	973	967	970±3	Re-Os	molybdenite	NW00-MJ1	Molybdenite	Mo	32413	Ørsdalen Mines, Ørsdalen, Bjerkreim, Rogaland, Norway	Ørsdalen	Bingen & Stein (2003a); Bingen & Stein (2003b)
Mo-00227	977	971	974±3	Re-Os	molybdenite	NW00-MJ2	Molybdenite	Mo	32413	Ørsdalen Mines, Ørsdalen, Bjerkreim, Rogaland, Norway		Bingen & Stein (2003a); Bingen & Stein (2003b)
Mo-00228	975	969	972±3	Re-Os	molybdenite	NW00-MJ2	Molybdenite	Mo	32413	Ørsdalen Mines, Ørsdalen, Bjerkreim, Rogaland, Norway		Bingen & Stein (2003a); Bingen & Stein (2003b)
Mo-00229	972	966	969±3	Re-Os	molybdenite	NW00-ST1	Molybdenite	Mo	32413	Ørsdalen Mines, Ørsdalen, Bjerkreim, Rogaland, Norway		Bingen & Stein (2003a); Bingen & Stein (2003b)

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...