Norsk versjon
THE ORE DATABASE
Deposit Area 1850 - 015
(Last updated 01.mar.2005)

Name of Deposit Area : Storjord
(Object Id : 1850,015,00,00)

Location
County : Nordland (18) Municipality : Tysfjord (1850)
Map 1:50000: Ulsvåg (1231-2) Map 1:250000: Narvik
Marking point: Longitude: 16.0689100 Latitude: 68.2076240
EU89-UTM Zone 33 (Coordinates IS confirmed)
X-coord: 544283 m. Y-coord: 7566396 m.

Commodity
Main Type: Ferrous metals(Fe, Mn, Ti) Sub Type: Iron
Element(s): Fe REE
Production
Activity: Exploration Reserves:
Prod. method: Underground mining Production: 1 thousand tons
Prod. status: Volume of dump: 300 m3

Importance
Public: Little Importance (reg. 18.02.2015)
Economical: Minor interest , (Confirmed 01.mar.2005 by Agnes Raaness)

Products
Element/product Crude ore grade or quality
FE 50.0 %

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

Mineralization
Era: Proterozoic Period:
Dating: Method:
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 19.05.2024

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