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:
Fossum Iron Mines, Skien, Telemark, Norway

mindat Locality ID: 105891
mindat URL: http://www.mindat.org/loc-105891.html

Tectonic Settings:

Total number of sublocalities beneath "Fossum Iron Mines, Skien, Telemark, Norway": 8
Total number of bottom-level sublocalities: 8

Number of Child Localities: 8
Child Localities:
Århus Mine
Breigangen Mine
Bruberg Mine
Elstrøm Mine
Geita Mine
Glaseren Mine
Langgangen Mine
Magneten Mine

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.

Amphibole	Calcite	Cancrinite-sodalite	Clay	Clinozoisite	Corundum	Epidote	Fluorite	Garnet	Ilvaite
None	Palygorskite	Pyrite	Pyroxene	Quartz	Sodalite	Sphalerite	Spinel	Stilpnomelane

Actinolite ()*	Andradite ()*	Calcite ()*	Epidote ()*	Ferro-actinolite ()*
Fluorite ()*	Hedenbergite ()*	Helvine ()*	Hematite ()*	Ilvaite ()*
Magnetite ()*	Palygorskite ()*	Pyrite ()*	Quartz ()*	Siderite ()*
Sphalerite ()*	Stilpnomelane ()*

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

Elements from minerals reported directly at this locality: Ca Fe H Mg O Si

Structural Groups for minerals in this locality:
Amphibole Calcite Cancrinite-sodalite Clay Clinozoisite Corundum Epidote Fluorite Garnet Ilvaite
None Palygorskite Pyrite Pyroxene Quartz Sodalite Sphalerite Spinel Stilpnomelane

17 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	0		3419
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	1	93961	1534
Calcite ()*	Calcite	Ca(CO₃)	2	93961,93963	27770
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	2	93961,93963	8173
Ferro-actinolite ()*	Amphibole	Ca₂(Mg_2.5-0.0Fe²⁺_2.5-5.0)Si₈O₂₂(OH)₂	1	93961	129
Fluorite ()*	Fluorite	CaF₂	2	93961,93963	9617
Hedenbergite ()*	Pyroxene	CaFe²⁺Si₂O₆	2	93961,93963	741
Helvine ()*	Sodalite Cancrinite-sodalite	Be₃Mn²⁺₄(SiO₄)₃S	1	93961	237
Hematite ()*	Corundum	Fe₂O₃	1	93961	14640
Ilvaite ()*	Ilvaite	CaFe³⁺Fe²⁺₂O(Si₂O₇)(OH)	2	93961,93963	197
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	7	93961,93962,93963,93964,93965,93966,93967	14899
Palygorskite ()*	Palygorskite Clay	(Mg,Al)₂Si₄O₁₀(OH)·4H₂O	1	93961	306
Pyrite ()*	Pyrite	FeS₂	2	93961,93963	39462
Quartz ()*	Quartz	SiO₂	3	93961,93963,93964	61156
Siderite ()*	Calcite	Fe(CO₃)	1	93961	6417
Sphalerite ()*	Sphalerite	ZnS	1	93963	21482
Stilpnomelane ()*	Stilpnomelane Clay	(K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O	1	93961	456

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...