Norsk versjon
THE ORE DATABASE
Occurence 5043 - 062 Gåsvatnet
(Object Id: 356)
(Last updated: 03.12.1998)
Location
County: Trøndelag Municipality: Raarvihke (5043)
Map 1:50000: Røyrvik (1924-4) Map 1:250000: Grong
Coordinate system: EU89-UTM Zone 33
East: 438231 m. North: 7189158 m.
Longitude: 13.6987710 Latitude: 64.8211660
Show on map
Resource
Resource Type: Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn) Resource Subtype: Sulphides
Element(s): Kis
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
1970 - 1970 Sampling
1978 - 1978 Geophysics
1991 - 1991 Sampling Company/Institution :NGU
1994 - 1994 Inspection Company/Institution :NGU

Mineralization
Era: Paleozoic Period: Ordovician
Genesis: Sedex Form: Irregular
Main texture: Structureless Min. distribution: Disseminated (<20 % ore minerals)
Main grain size: Fine grained (< 1 mm) Main alteration: No country rock alteration
Strike/Dip: Direction:
Plunge:
Stratigraphic classification of host rock
Era: Paleozoic Period: Ordovician
Province: Caledonides
Geotec.unit: Køli Nappe Complex
Tectonic complex: Orklump Nappe
Igneous complex:
Group: Røyrvik Formation:

Mineralogy
Relationship Mineral Amount
Gangue mineral Quartz Major mineral (>10%)
Gangue mineral Chlorite Subordinate mineral (1-10%)
Ore mineral Pyrite Major mineral (>10%)
Ore mineral Pyrrhotite Accessory mineral (<1%)

Lithology:
Relationship Rock Origin
Host rock Bnded quartzite Sedimentary
Original rock :Siliceous rock
Metamorphic facies :Greenschist
Wall rock Phyllite Sedimentary
Original rock :Argillaceous sediment
Metamorphic facies :Greenschist

Structures
Location: Type: Orientation(360 gr.): Relation to min.:
Host rock Joints/Fractures Strike/Dip :150 / 90 Syn-mineralisation ;...Effect :Controls
Wall rock Mineral banding Strike/Dip :45 / 25 Pre-mineralisation ;...Effect :None

Information(s) in free text format
Free text
Forekomsten ligger i en liten bergnabb ved et tjern i et myrlendt område. Den er en fattig svovelkismineralisering i en kvartsrik bergart som er antatt å representere den båndete kvartsitten som utgjør en del av Røyrvikgruppen. Kvartsitten er lokalt sterkt gjennomsatt av pyritt- og kloritt-stikk. Mineraliseringen har liten utstrekning, 1m2.

Fieldsamples
Sample No. Sample type Miscellanrous
JS94240 Bedrock
Sampler: Sandstad, J.S./...Stored: Løkken
Comment: Pyrite-chlorite veinlets in laminated and banded, greyish white quartzite.
No. of registrated element analyses = 1
LS91108 Bedrock
Sampler: Størseth, L.R.
Comment: Fattig, fink. py i kvartsitt.
No. of registrated element analyses = 1
NB! All analyse values are shown at the end of the printout.:

Analyse Results
from
Deposit Area 5043 - 062 Gåsvatnet

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#
JS94240 Bedrock 6 55 -2 2 -1 -.2 1.0
LS91108 Bedrock 7 168 4 3 16 .1 5.0
------------------
Sample No. Pt# Pd# As* Cd* Ba* Mo* Sn* Sb* Bi*
JS94240 -5.0 -1.0 -5 -1.0 8 2.00 -20 -5 -5
LS91108 1.0 1.0 6 .2 7 3.00 2 2
------------------
Sample No. S% V* Cr* Mn* Fe% Th* U* W* Sr*
JS94240 .21 12 128 381 3.40 -20 20.0
LS91108 .52 10 5 479 4.92 23.00 5.00 1 23.0
------------------
Sample No. Y* La* B* Te*
JS94240 48.0 73.00 -10.00
LS91108 98.00 3

The fact sheet was created on 07.05.2024
Questions or comments regarding the fact sheet can be emailed to:
ressursdatabaser@ngu.no
Copyright © 2024 Geological Survey of Norway