Norsk versjon
THE ORE DATABASE
Occurence 1806 - 010 Bjørnfjellet
(Object Id: 2345)
(Last updated: 10.02.2006)

Location
County: Nordland Municipality: Narvik (1806)
Map 1:50000: Bjørnfjell (1431-1) Map 1:250000: Narvik
Coordinate system: EU89-UTM Zone 33
East: 626818 m. North: 7593593 m.
Longitude: 18.0916450 Latitude: 68.4264490
Show on map

Resource
Resource Type: Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn) Resource Subtype: Lead
Element(s): Pb Zn
Importance
Raw material meaning: Little Importance (reg. 18.02.2015)

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


Products
Element/product Crude ore grade or quality Reg. date
Pb 2.40 % 20.09.1993
Zn 9.50 % 20.09.1993

Operations
From - To Activity Comments
Pitting
1928 - 1928 Pitting Company/Institution :Advokat L. Lumholtz

Mineralization
Era: Proterozoic Period: Paleoproterozoic
Dating: 1638 (-8\+8) million year Method:
Genesis: Orthomagmatic formation Form: Irregular
Main texture: Structureless Min. distribution: Irregular (scattered)
Main grain size: Fine grained (< 1 mm) Main alteration:
Strike/Dip: Direction:
Plunge:
Stratigraphic classification of host rock
Era: Proterozoic Period: Mesoproterozoic
Province: Caledonian Basement Province
Geotec.unit: Rombak Complex
Tectonic complex:
Igneous complex: Tysfjord-Rombak Batholith
Group: Formation:

Mineralogy
Relationship Mineral Amount
Gangue mineral Potassic feldspar Major mineral (>10%)
Gangue mineral Quartz Major mineral (>10%)
Gangue mineral Plagioclase Major mineral (>10%)
Gangue mineral Pyroxene Major mineral (>10%)
Gangue mineral Biotite Subordinate mineral (1-10%)
Gangue mineral Hornblende Subordinate mineral (1-10%)
Gangue mineral Muscovite Subordinate mineral (1-10%)
Ore mineral Pyrrhotite Major mineral (>10%)
Ore mineral Pyrite Subordinate mineral (1-10%)
Ore mineral Sphalerite Subordinate mineral (1-10%)
Ore mineral Galena Subordinate mineral (1-10%)

Lithology:
Relationship Rock Origin
Host rock Biotitt-hornbl.gabbro Intrusive
Original rock :Gabbro
Host rock Granitt,fink. lys Intrusive
Original rock :Granite
Wall rock Rombaksgranitt Intrusive
Original rock :Granite
1638 (-8\+8) mill. years

Information(s) in free text format
Free text
Skjerpet består av ei skjering i ei fjellskrent og tipp under. Mineraliseringen er meget svak. Mineralisering i en grå finkornet granitt og i gabbrobergart. Prøvetaking: 1 prøve (ref + analyse).

Fieldsamples
Sample No. Sample type Miscellanrous
NO0202.01 Bedrock
Sampler: Molund, S./...Stored: Løkken
Comment: Andesitt med kisimpregnasjon.
No. of registrated element analyses = 1
NB! All analyse values are shown at the end of the printout.:


Analyse Results
from
Deposit Area 1806 - 010 Bjørnfjellet

Element analyses

( *=parts pr. million, #=parts pr.billion, Negative values means below detection limit value.)
Sample No. Sample Type Cu* Zn* Pb* Co* Ni* Ag* Au#
NO0202.01 Bedrock 245 247 54 11 25 -8.2 14.0
------------------
Sample No. Pt# Pd# As* Cd* Ba* Mo* Sn* Sb* Bi*
NO0202.01 4.0 6.0 -20 -8.2 113 40.10 -20 -20 -20
------------------
Sample No. S% V* Cr* Mn* Fe% Th* U* Sr* La*
NO0202.01 .69 117 87 236 3.99 -30.00 -30.00 -16.4 11.60
------------------
Sample No. B*
NO0202.01 -41


The fact sheet was created on 02.05.2024

Questions or comments regarding the fact sheet can be emailed to:
ressursdatabaser@ngu.no
Copyright © 2024 Geological Survey of Norway