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THE ORE DATABASE
Occurence 5052 - 005 Skråen
(Object Id: 176)
(Last updated: 18.12.1998)

Location
County: Trøndelag Municipality: Leka (5052)
Map 1:50000: Leka (1725-3) Map 1:250000: Vega
Coordinate system: EU89-UTM Zone 32
East: 625030 m. North: 7222142 m.
Longitude: 11.6618690 Latitude: 65.0991730
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Resource
Resource Type: Ferroalloys (Cr,Ni,Co,V,Mo,W) Resource Subtype: Chromium
Element(s): Cr
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
1996 - 1996 Sampling Company/Institution :NGU/Malmreg.

Mineralization
Era: Paleozoic Period:
Genesis: Orthomagmatic formation Form: Layer
Main texture: Banded Min. distribution: Semi-massive (20-50 % ore minerals)
Main grain size: Fine grained (< 1 mm) Main alteration:
Strike/Dip: 230 / 75 Direction:
Plunge:
Stratigraphic classification of host rock
Era: Paleozoic Period: Ordovician
Province: Caledonides
Geotec.unit:
Tectonic complex:
Igneous complex: Leka Ophiolite Complex
Group: Formation:

Mineralogy
Relationship Mineral Amount
Gangue mineral Olivine Major mineral (>10%)
Gangue mineral Serpentine Subordinate mineral (1-10%)
Ore mineral Chromite Major mineral (>10%)

Lithology:
Relationship Rock Origin
Host rock Dunite Intrusive
Original rock :Dunite
Metamorphic facies :Amphibolite

Structures
Location: Type: Orientation(360 gr.): Relation to min.:
Host rock Primary layering Strike/Dip :230 / 75 Syn-mineralisation ;...Effect :Controls

Information(s) in free text format
Free text
Ca. 1 km SV for Skråen, 100 m.o.h., er det over 1 - 3 m mektighet i dunitt vekselbånding av finkornet massiv kromitt (prøve 01) og dunitt på mm-cm skala. Mineraliseringen kan følges over ca. 500 m.

Bibliography:
References not to be found in NGU's Reference Archive.:

Fieldsamples
Sample No. Sample type Miscellanrous
NT0178.01 Bedrock
Sampler: Wilberg/...Stored: Løkken
Comment: Dunite with chromite bands.
No. of registrated element analyses = 1
NB! All analyse values are shown at the end of the printout.:


Analyse Results
from
Deposit Area 5052 - 005 Skråen

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#
NT0178.01 Bedrock 29 105 5 59 1662 -.3 6.0
------------------
Sample No. Pt# Pd# Rh# As* Cd* Ba* Mo* Sb* Bi*
NT0178.01 2.0 1.0 -1.0 3 .8 2 -1.00 -2 2
------------------
Sample No. V* Cr* Mn* Fe% Th* U* W* Sr* La*
NT0178.01 6 1008 309 1.64 -2.00 -5.00 -2 1.0 -1.00
------------------
Sample No. B*
NT0178.01 15


The fact sheet was created on 26.04.2024

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