Norsk versjon
THE ORE DATABASE
Occurence 1841 - 011 Jordbrumalmen
(Object Id: 2626)
(Last updated: 15.11.2021)

Location
County: Nordland Municipality: Fauske (1841)
Map 1:50000: Fauske (2129-4) Map 1:250000: Sulitjelma
Coordinate system: EU89-UTM Zone 33
East: 514333 m. North: 7475046 m.
Longitude: 15.3341140 Latitude: 67.3913520
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Resource
Resource Type: Ferrous metals(Fe, Mn, Ti) Resource Subtype: Iron
Element(s): Fe P
Importance
Raw material meaning: Not Assessed (reg. 18.02.2015)

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


Products
Element/product Crude ore grade or quality Reg. date
Fe 26 % 23.11.1992
P 1.2 % 23.11.1992

Operations
From - To Activity Comments
1901 - 1901 Geophysics
1975 - 1975 Geology Company/Institution :Rana Gruber
1976 - 1976 Core drilling Company/Institution :Rana Gruber

Mineralization
Era: Proterozoic Period: Neoproterozoic
Genesis: Sedex Form: Layer
Main texture: Banded Min. distribution: Massive (>50 % ore minerals)
Main grain size: Fine grained (< 1 mm) Main alteration:
Strike/Dip: 230 / 50 Direction: 0
Plunge: 40
Stratigraphic classification of host rock
Era: Proterozoic Period: Neoproterozoic
Province:
Geotec.unit:
Tectonic complex: Øverste allokton
Igneous complex:
Group: Valnesfjord marm.gr. Formation: Neverhaugen jernmalmformasjon

Mineralogy
Relationship Mineral Amount
Gangue mineral Quartz Major mineral (>10%)
Gangue mineral Amphibole Major mineral (>10%)
Ore mineral Magnetite Major mineral (>10%)
Ore mineral Apatite Subordinate mineral (1-10%)
Ore mineral Pyrite Accessory mineral (<1%)

Lithology:
Relationship Rock Origin
Unknown Diopsid-aktinolitt Extrusive
Original rock :Basalt
Metamorphic facies :Amphibolite
Unknown Amfibolitt Extrusive
Original rock :Basalt
Metamorphic facies :Amphibolite

Structures
Location: Type: Orientation(360 gr.): Relation to min.:
Unknown Primary layering Strike/Dip :230 / 50 Syn-mineralisation ;...Effect :None

Information(s) in free text format
Free text
Beskrivelse: se forekomst nr.NO0495 (gml. nr.310A).

Bibliography:
From NGU's Reference Archive:
Huldt, K. , 1901
Næverhaugen iron ore deposit in Norway.
;Norges geologiske undersøkelse;FAGRAPPORT;Bergarkivet; No.BA 1705;5 pages
Abstract:
Rapporten har følgende inndeling: - Beliggenhet. - Vannkraft. - Havn og skipning. - Vei - Malmen (Lagdelt i skifer og med utsvetninger, 40-60 % Fe, 0,2-0,3 % P ubetydelig S). - Areal (Malmens lengde 8 km, bredde vanligvis 5-10 m, untaksvis 25m. Beregnet areal 29.000 kvadrat meter, beregnet masse 34 mill.tonn ned til + 100 m.o.h.) - Brytningskostnader. - Oppredning. - Analyser.


The fact sheet was created on 19.04.2024

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