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THE ORE DATABASE
Occurence 5043 - 075 Blyvatnet
(Object Id: 382)
(Last updated: 03.12.1998)

Location
County: Trøndelag Municipality: Raarvihke (5043)
Map 1:50000: Majavatn (1925-3) Map 1:250000: Mosjøen
Coordinate system: EU89-UTM Zone 33
East: 439022 m. North: 7220078 m.
Longitude: 13.7020460 Latitude: 65.0986780
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Resource
Resource Type: Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn) Resource Subtype: Copper
Element(s): Kis Cu
Importance
Raw material meaning: Not Assessed (reg. 18.02.2015)

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


Operations
From - To Activity Comments
1992 - 1992 Sampling Company/Institution :NGU

Mineralization
Era: Paleozoic Period: Ordovician
Genesis: Volcex Form:
Main texture: Banded Min. distribution: Massive (>50 % ore minerals)
Main grain size: Fine grained (< 1 mm) Main alteration:
Strike/Dip: 35 / 40 Direction:
Plunge:
Stratigraphic classification of host rock
Era: Paleozoic Period: Ordovician
Province: Caledonides
Geotec.unit: Køli Nappe Complex
Tectonic complex: Gjersvik Nappe
Igneous complex:
Group: Limingen Formation:

Mineralogy
Relationship Mineral Amount
Gangue mineral Potassic feldspar Subordinate mineral (1-10%)
Gangue mineral Muscovite Subordinate mineral (1-10%)
Gangue mineral Plagioclase Subordinate mineral (1-10%)
Gangue mineral Graphite Subordinate mineral (1-10%)
Gangue mineral Quartz Subordinate mineral (1-10%)
Ore mineral Pyrite Major mineral (>10%)
Ore mineral Chalcopyrite Subordinate mineral (1-10%)

Lithology:
Relationship Rock Origin
Wall rock Greenschist Extrusive
Original rock :Tuff
Metamorphic facies :Greenschist

Structures
Location: Type: Orientation(360 gr.): Relation to min.:
Unknown Foliation Strike/Dip :35 / 40 Post-mineralisation ;...Effect :None

Information(s) in free text format
Free text
Mineraliseringen er blottet over 1x0.5m like ved strandkanten i et ellers overdekt terreng. Det synes klart at det dreier seg om fastfjell da bergartenes strøk og fall er i overensstemmelse med regional foliasjon og det ligger flere småblokker av samme malmtype like nedenfor. Den stratiforme mineraliseringen er blottet over 40cm mektighet. Sidestein er ikke blottet, men det er antatt å være grønnskifer. Mineraliseringen er massiv, finkornet svovelkis (RW336 og 337) med kobberkis anriket i noen cm mektige bånd. Kobberkis er spesielt anriket mot liggen, over minst 10cm mektighet (RW338).

Fieldsamples
Sample No. Sample type Miscellanrous
NT0463.01 Bedrock
Sampler: Wilberg, R./...Stored: Løkken
Comment: Massive pyrite-chalcopyrite ore.
NT0463.02 Bedrock
Sampler: Wilberg, R./...Stored: Løkken
Comment: Massive pyrite-chalcopyrite ore.
NT0463.03 Bedrock
Sampler: Wilberg, R./...Stored: Løkken
Comment: Massive pyrite-chalcopyrite ore.


The fact sheet was created on 27.04.2024

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