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Occurence 3035 - 004 Fremmingvangen gruve no. 5
(Object Id: 15863)
(Last updated: 01.03.2005)

Location
County: Viken Municipality: Eidsvoll (3035)
Map 1:50000: Eidsvoll (1915-1) Map 1:250000: Hamar
Coordinate system: EU89-UTM Zone 32
East: 628333 m. North: 6701423 m.
Longitude: 11.3313460 Latitude: 60.4286610
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Resource
Resource Type: Precious metals (Au,Ag,PGE) Resource Subtype: Gold
Element(s): Au Cu
Importance
Raw material meaning: Little Importance (reg. 18.02.2015)

Resources and production
Activity: Test mining Reserves:
Operating method: Open pit mining Historical production:


Mineralization
Era: Proterozoic Period: Neoproterozoic
Genesis: Hydrothermal vein Form: Plate
Main texture: Fracture filling Min. distribution: Irregular (scattered)
Main grain size: Medium grained (1-3 mm) Main alteration: Sericitisation
Strike/Dip: 240 / 90 Direction:
Plunge:
Stratigraphic classification of host rock
Era: Proterozoic Period: Paleoproterozoic
Province: East Norwegian Basement Province
Geotec.unit: Solør Complex
Tectonic complex: Mylonite Zone
Igneous complex:
Group: Formation:

Mineralogy
Relationship Mineral Amount
Gangue mineral Quartz Major mineral (>10%)
Gangue mineral Sericite Subordinate mineral (1-10%)
Ore mineral Pyrite Major mineral (>10%)
Ore mineral Chalcopyrite Major mineral (>10%)
Ore mineral Galena Accessory mineral (<1%)

Structures
Location: Type: Orientation(360 gr.): Relation to min.:
Host rock Joints/Fractures Strike/Dip :240 / 90 Syn-mineralisation ;...Effect :Controls
Host rock Fault plane Strike/Dip :247 / 80 Syn-mineralisation ;...Effect :Controls
Host rock Fault plane Strike/Dip :249 / 85 Syn-mineralisation ;...Effect :Controls
Host rock Fault plane Strike/Dip :250 / 85 Syn-mineralisation ;...Effect :Controls
Host rock Fault plane Strike/Dip :257 / 60 Syn-mineralisation ;...Effect :Controls
Host rock Fault plane Strike/Dip :266 / 80 Syn-mineralisation ;...Effect :Controls
Host rock Foliation Strike/Dip :331 / 80 Pre-mineralisation ;...Effect :None

Information(s) in free text format
Free text
The Fremmingvangen quartz vein which is situated about 750 m southwest of the Brustad mine (AK0020), is the host of 5 shallow pits and one deep water-filled shaft. They are numbered consecutively from no. 1 in the east to no. 6 in the west. The largest of the workings is no. 5 representing a water-filled shaft which according to the size of the original spoil heap must have been 5-10 m deep. It is now filled in and covered by material from the new road to Lake Grønnsjøen. The 1.5-2 m wide NE-SW-trending vein is composed of massive milky quartz which intersects amphibolitic gabbros (hyperite intrusion) with rafts of gneiss granites of the Solør Complex. The steeply dipping vein which can be traced over a distance of nearly 700 m, is enveloped by weak sercite- and chlorite- alteration. The host rocks occurring as fragments in the vein or being strongly quartz veined along the main vein contact, is usually transformed into quartz-sericite rocks with accessory to sub-ordinate amounts of disseminated pyrite and occasionally chalcopyrite (e.g. no. 6). The vein itself is in most outcrops barren of sulphides. Presently, sulphide mineralisation is only detected in no. 1 and no. 5 where pyrite, chalcopyrite and galena form erratically distributed aggregates, fracture fillings and thin stringers, the latter being orientated parallel to the vein contact. Analyses of the sulphide mineralisation yield up to 1 g/t Au.

Name of Locality: Fremmingvangen gruve no. 1
(Object Id: 15864 4,01,00)

Location
County: Viken Municipality: Eidsvoll (3035)
Map 1:50000: Eidsvoll (1915-1) Map 1:250000: Hamar
Coordinate system: EU89-UTM Zone 32
East: 628607 m. North: 6701615 m.
Longitude: 11.3364600 Latitude: 60.4302960
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Resource
Resource Type: Precious metals (Au,Ag,PGE) Resource Subtype: Gold
Element(s): Cu Fe-sulphides Au
Resources and production
Activity: Test mining Reserves:
Operating method: Open pit mining Historical production:


Name of Locality: Fremmingvangen gruve no. 2
(Object Id: 15865 4,02,00)

Location
County: Viken Municipality: Eidsvoll (3035)
Map 1:50000: Eidsvoll (1915-1) Map 1:250000: Hamar
Coordinate system: EU89-UTM Zone 32
East: 628529 m. North: 6701543 m.
Longitude: 11.3349980 Latitude: 60.4296750
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Resource
Resource Type: Precious metals (Au,Ag,PGE) Resource Subtype: Gold
Element(s): Cu Fe-sulphides Au
Resources and production
Activity: Test mining Reserves:
Operating method: Open pit mining Historical production:


Name of Locality: Fremmingvangen gruve no. 3
(Object Id: 15866 4,03,00)

Location
County: Viken Municipality: Eidsvoll (3035)
Map 1:50000: Eidsvoll (1915-1) Map 1:250000: Hamar
Coordinate system: EU89-UTM Zone 32
East: 628490 m. North: 6701522 m.
Longitude: 11.3342770 Latitude: 60.4294990
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Resource
Resource Type: Precious metals (Au,Ag,PGE) Resource Subtype: Gold
Element(s): Cu Fe-sulphides Au
Resources and production
Activity: Test mining Reserves:
Operating method: Open pit mining Historical production:


Name of Locality: Fremmingvangen gruve no. 4
(Object Id: 15867 4,04,00)

Location
County: Viken Municipality: Eidsvoll (3035)
Map 1:50000: Eidsvoll (1915-1) Map 1:250000: Hamar
Coordinate system: EU89-UTM Zone 32
East: 628486 m. North: 6701507 m.
Longitude: 11.3341770 Latitude: 60.4293660
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Resource
Resource Type: Precious metals (Au,Ag,PGE) Resource Subtype: Gold
Element(s): Cu Fe-sulphides Au
Resources and production
Activity: Test mining Reserves:
Operating method: Open pit mining Historical production:


Name of Locality: Fremmingvangen gruve no. 6
(Object Id: 15868 4,05,00)

Location
County: Viken Municipality: Eidsvoll (3035)
Map 1:50000: Eidsvoll (1915-1) Map 1:250000: Hamar
Coordinate system: EU89-UTM Zone 32
East: 628050 m. North: 6701309 m.
Longitude: 11.3261550 Latitude: 60.4277360
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Resource
Resource Type: Precious metals (Au,Ag,PGE) Resource Subtype: Gold
Element(s): Cu Fe-sulphides Au
Resources and production
Activity: Test mining Reserves:
Operating method: Open pit mining Historical production:


The fact sheet was created on 26.10.2021

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