Norsk versjon
THE INDUSTRIAL MINERAL DATABASE
Occurence 1833 - 331 Myrstad
(Object Id: 7705)
(Last updated: 21.11.2006)
Location
County: Nordland Municipality: Rana (1833)
Map 1:50000: Mo i Rana (1927-1) Map 1:250000: Mo i Rana
Coordinate system: EU89-UTM Zone 33
East: 451633 m. North: 7370297 m.
Longitude: 13.9152140 Latitude: 66.4482760
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Resource
Resource Type: Talc Resource Subtype: Talc (Soapstone)

Importance
Raw material meaning: Little Importance (reg. 18.02.2015)

Resources and production
Activity: Exploration Reserves:
Operating method: Historical production:


Mineralization
Era: Paleozoic Period: Silurian
Genesis: Metasomatic Form: Lens
Main texture: Min. distribution: Massive (>50 % ore minerals)
Main grain size: Medium grained (1-3 mm)
Strike/Dip: 370 / 50 Direction: 370
Plunge: 50
Stratigraphic classification of host rock
Era: Paleozoic Period: Silurian
Province:
Geotec.unit:
Tectonic complex: Rødingsfjelldekkekom
Igneous complex:
Group: Formation: Amfibolitt

Mineralogy
Mineral Amount
Magnetite
Talc Major mineral (>10%)
Serpentine Major mineral (>10%)

Structures
Location: Type: Orientation(360 gr.): Relation to min.:
Unknown Foliation Strike/Dip :370 / 50 Syn-mineralisation ;...Effect :Modifies

Information(s) in free text format
Free text
Serpentindominert kleberstein, mørk grønn farge. Har 5 mm store magnetittkrystaller disseminert. Forekomsten er noen få m², og har hverken kvalitets- eller kvantitetsmessig interesse. Forekomsten er knyttet til kontakten på serpentinisert harzburgitt, som har noe talk i matriks.

The fact sheet was created on 29.04.2024
Questions or comments regarding the fact sheet can be emailed to:
ressursdatabaser@ngu.no
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