Norsk versjon
THE ORE DATABASE
Occurence 5059 - 037 Blautsetet III
(Object Id: 4490)
(Last updated: 27.03.2023)

Location
County: Trøndelag Municipality: Orkland (5059)
Map 1:50000: Trollhetta (1520-4) Map 1:250000: Røros
Coordinate system: EU89-UTM Zone 32
East: 532248 m. North: 6985097 m.
Longitude: 9.6365470 Latitude: 62.9941510
Show on map

Resource
Resource Type: Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn) Resource Subtype: Copper
Element(s): Cu
Importance
Raw material meaning: Not Assessed (reg. 18.02.2015)

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


Operations
From - To Activity Comments
1984 - 1984 Geology Company/Institution :NTH
Siv Kjeldsen; Diplomoppgave

Mineralization
Era: Paleozoic Period: Ordovician
Genesis: Volcex Form: Lens
Main texture: Structureless Min. distribution: Semi-massive (20-50 % ore minerals)
Main grain size: Fine grained (< 1 mm) Main alteration: Chloritisation
Strike/Dip: 130 / 75 Direction:
Plunge:
Stratigraphic classification of host rock
Era: Paleozoic Period: Ordovician
Province: Caledonides
Geotec.unit: Trondheim Nappe Complex
Tectonic complex: Støren Nappe
Igneous complex:
Group: Støren Group Formation:

Mineralogy
Relationship Mineral Amount
Gangue mineral Quartz Major mineral (>10%)
Gangue mineral Chlorite Major mineral (>10%)
Gangue mineral Mica Major mineral (>10%)
Gangue mineral Epidote Subordinate mineral (1-10%)
Ore mineral Pyrite Major mineral (>10%)
Ore mineral Pyrrhotite Major mineral (>10%)
Ore mineral Chalcopyrite Major mineral (>10%)
Ore mineral Sphalerite Subordinate mineral (1-10%)

Lithology:
Relationship Rock Origin
Host rock Greenstone Extrusive
Original rock :Basalt
Metamorphic facies :Greenschist

Information(s) in free text format
Free text
Dette er det klart største skjerpet i dette området med tippvolum på ca. 120 m3 rundt en vannfylt synk. Nord for synken er blottet en sulfidmineralisert sone som er 80-100 cm bred. Den består av uregelmessige årer og aggregater av magnetkis, kobberkis, pyritt og stedvis sinkblende i en massiv, dels klorittisert grønnstein. Den er i tillegg noe anriket på kvarts over en bredde på 30-40 cm sentralt i sulfidsonen. Analyser viser at mineraliseringen også er noe anriket på kobolt.

Bibliography:
From NGU's Reference Archive:
Kjeldsen, Siv , 1984
En undersøkelse av sulfidmineraliseringer i Grefstadfjell og Resfjellområdene, Løkkenfeltet.
;NTH Bergavd.;AVHANDLING

Fieldsamples
Sample No. Sample type Miscellanrous
JS-M1932 Dump
Sampler: J.S. Sandstad/...Stored: Løkken/...Size(kg): 2
Comment: Pyrrhotite-chalcopyrite veinlets/aggregates/semi-massive in greenstone
No. of registrated element analyses = 1
JS-M1933 Dump
Sampler: J.S. Sandstad/...Stored: Løkken/...Size(kg): 2
Comment: Pyrrhotite-chalcopyrite-sphalerite veinlets/aggregates in quartz-rich matrix
No. of registrated element analyses = 1
NB! All analyse values are shown at the end of the printout.:


Analyse Results
from
Deposit Area 5059 - 037 Blautsetet III

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#
JS-M1932 Dump 39800 1840 5 410 60 13.0 10.0
JS-M1933 Dump 17750 17250 3 228 29 5.6 14.0
------------------
Sample No. Pt# Pd# As* Cd* Ba* Mo* Sn* Sb* Bi*
JS-M1932 -5.0 -1.0 11 9.4 180 19.70 0 0 1
JS-M1933 -5.0 -1.0 12 60.5 80 8.36 0 0 0
------------------
Sample No. Se* Ga* Ge* In* S% V* Cr* Mn* Fe%
JS-M1932 65.00 14.35 0.56 1.51 10.00 174 57 2250 31.20
JS-M1933 31.00 4.85 0.26 1.04 10.00 39 17 951 15.00
------------------
Sample No. Th* U* W* Rb* Sr* Y* Zr* Nb* Ta*
JS-M1932 0.06 -0.10 -0 22.6 76.7 13.8 15 0.50 0.14
JS-M1933 0.03 -0.10 -0 11.3 21.6 2.8 2 0.10 -0.05
------------------
Sample No. Cs* La* Ce* Li* Be* Na* Mg* Al* P*
JS-M1932 13.55 0.90 3.28 2 0 0 2 3 210
JS-M1933 6.76 -0.50 0.85 1 -0 0 1 1 50
------------------
Sample No. K * Ca* Sc* Ti* Te* Hf* Re* Tl*
JS-M1932 0 1 21.80 0 0.58 0.60 26 0
JS-M1933 0 0 4.30 0 0.46 0.10 15 0


The fact sheet was created on 06.05.2024

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