Norsk versjon
THE ORE DATABASE
Occurence 1875 - 015 Storjord
(Object Id: 2588)
(Last updated: 01.03.2005)

Location
County: Nordland Municipality: Hamarøy (1875)
Map 1:50000: Ulsvåg (1231-2) Map 1:250000: Narvik
Coordinate system: EU89-UTM Zone 33
East: 544283 m. North: 7566396 m.
Longitude: 16.0689100 Latitude: 68.2076240
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Resource
Resource Type: Ferrous metals(Fe, Mn, Ti) Resource Subtype: Iron
Element(s): Fe REE
Importance
Raw material meaning: Little Importance (reg. 18.02.2015)

Resources and production
Activity: Exploration Reserves:
Operating method: Underground mining Historical production: 1 thousand tons


Products
Element/product Crude ore grade or quality Reg. date
Fe 50.0 % 06.02.1995

Operations
From - To Activity Comments
1977 - 1977 Geology Company/Institution :Rana Gruber A/S

Mineralization
Era: Proterozoic Period:
Genesis: Sedex Form: Layer
Main texture: Banded Min. distribution: Massive (>50 % ore minerals)
Main grain size: Coarse grained (> 3 mm) Main alteration:
Strike/Dip: 210 / 60 Direction:
Plunge:
Stratigraphic classification of host rock
Era: Proterozoic Period:
Province:
Geotec.unit:
Tectonic complex:
Igneous complex: Tysfjord-Rombak Batholith
Group: Formation:

Mineralogy
Relationship Mineral Amount
Gangue mineral Potassic feldspar Major mineral (>10%)
Gangue mineral Amphibole Major mineral (>10%)
Gangue mineral Pyroxene Major mineral (>10%)
Gangue mineral Apatite Accessory mineral (<1%)
Gangue mineral Titanite Accessory mineral (<1%)
Ore mineral Magnetite Major mineral (>10%)

Lithology:
Relationship Rock Origin
Unknown Gneis Sedimentary
Original rock :Greywacke
Metamorphic facies :Amphibolite
Unknown Granitt Intrusive
Original rock :Granite
Metamorphic facies :Amphibolite

Information(s) in free text format
Free text
Storjord magnetittmalm --------------------------------- Forekomsten ligger på toppen av den 120 m høye Storhaugen, 300 m øst for E6 og 2.5 km sør for Bognes ferjeleie. Malmen er rik, båndet, med 0.2 - 8 mm store magnetittkorn. Malmen er oppstykket i 2 linser p.g.a. granittintrusjonen. Tonnasjen er: Tykkelse Lengde Dyp Tonn spes.v. 4.1 ----------------------------------------------------------------------------------- Storjord, nordre linse: 6.25 m 40 m 20 m 20.500 tonn Storjord, søndre linse: 17.14 m 70 m 50 m 246.000 tonn ----------------------------- SUM: 266.500 tonn ----------------------------- Middelverdi av 6 analyserte prøver fra forekomsten foretatt ved Norsk Jernverk: Fe tot. Fe magn. MnO TiO2 P S 52.1 % 50.9 % 0.40 % 0.90 % 0.080 % 0.005 % Are Korneliussen, NGU har prøvetatt malmen og funnet at sporelementanalyse viser høyt innhold av Y, Ce, La, U og Th. Analyser av 4 prøver viser: Y-% Ce-% La-% U-ppm Th-ppm Co-ppm 0.13 0.33 0.12 40 276 189 0.09 0.26 0.10 311 196 122 0.32 0.68 0.26 185 508 412 0.11 0.52 0.20 2400 331 152


The fact sheet was created on 28.10.2021

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