English version
MALMDATABASEN
Forekomstområde 1664 - 004
(Sist oppdatert 17.mar.2020)

Navn på deposit area : Dragsten
(Objekt Id : 1664,004,00,00)
Lokalisering
Fylke : Sør-Trøndelag (16) Kommune : Selbu (1664)
Kart 1:50000: Trondheim (1621-4) Kart 1:250000: Trondheim
Markeringspunkt: Lengdegrad: 10.6865040 Breddegrad: 63.2865640
EU89-UTM Zone 32 (Coordinates IS confirmed)
X-koord: 584580 m. Y-koord: 7018630 m.
Materialtype
Hovedtype: Basemetaller (Cu,Zn,Pb,Fe sulfider,As,Sb,Bi,Sn) Subtype: Sulfider
Element(s): Kis
Production
Activity: Røsking Reserves:
Prod. method: Production:
Prod. status: Volume of dump:

Betydning
Offentlig: Little Importance (reg. 18.02.2015)
Economical: Lite viktig

Mineralization
Era: Paleozoic Period: Ordovician
Dating: Method:
Genesis: Vulkeks Form: Linse
Main texture: Båndet Min. distribution: Massiv
Main grain size: Finkornet (<1 mm) Main alteration: Klorittisering
Strike/Dip: Direction:
Plunge:
Stratigraphic classification of host rock
Era: Paleozoic Period: Ordovician
Province: Caledonides
Geotec.unit: Trondheim Nappe Complex
Tectonic complex:
Igneous complex:
Group: Formation: Støren greenstone

Mineralogy
Relationship Mineral Amount
Gangue mineral Chlorite Major mineral (>10%)
Gangue mineral Quartz Major mineral (>10%)
Ore mineral Pyrite Major mineral (>10%)
Ore mineral Pyrrhotite Major mineral (>10%)

Lithology:
Relationship Rock Origin
Wall rock Grønnskifer Extrusive
Original rock :Basalt
Metamorphic facies :Greenschist

Structures
Location: Type: Orientation(360 gr.): Relation to min.:
Wall rock Foliation Strike/Dip :50 / 55 Post-mineralisation ;...Effect :Modifies
Wall rock Mineral lineation Dir./Plunge :102 / 50 Post-mineralisation ;...Effect :Modifies

Bilde(r) fra forekomstområdet:
Photo no. 1 showing Dragsten, skjerp"

Fieldsamples
Sample No. Sample type Miscellanrous
ST0269.01 Dump
Sampler :Sandstad, J.S./...Stored :Løkken/...Size(kg) :2
Kommentar :Pyrite ore, massive, very fine grained ('vasskis'), fine grained pyrite veinlets.
No. of registrated element analyses = 1
ST0269.02 Dump
Sampler :Sandstad, J.S./...Stored :Løkken
Kommentar :Pyrite, fine to medium grained and magnetite, very fine grained bands in quartz rich rock.
No. of registrated element analyses = 1
ST0269.03 Dump
Sampler :Sandstad, J.S./...Stored :Løkken/...Size(kg) :2
Kommentar :Pyrrhotite ore, massive, fine grained, few chert lenses with few chalcopyrite grains.
No. of registrated element analyses = 1
ST0269.04 Dump
Sampler :Sandstad, J.S./...Stored :Løkken/...Size(kg) :2
Kommentar :Pyrite, fine grained, semi-massive bands and pyrite disseminations, medium grained, in quartz-chlorite rich rock.
No. of registrated element analyses = 1
NB! All analyse values are shown at the end of the printout.:

Analyse Results
from
Forekomstområde 1664 - 004 Dragsten

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#
ST0269.01 Dump 137 824 301 22 169 4.1 333.0
ST0269.02 Dump 104 1471 107 100 56 -.3 17.0
ST0269.03 Dump 539 161 21 -1 267 .5 18.0
ST0269.04 Dump 55 1573 41 32 114 .3 12.0
------------------
Sample No. Pt# Pd# As* Cd* Ba* Mo* Sb* Bi* S%
ST0269.01 10.0 16.0 202 2.7 3 3.00 18 -3 34.15
ST0269.02 2.0 8.0 126 11.3 8 2.00 4 -3 33.41
ST0269.03 2.0 1.0 -2 -.2 19 9.00 -3 -3 28.11
ST0269.04 15.0 3.0 205 3.7 10 5.00 -3 -3 12.98
------------------
Sample No. V* Cr* Mn* Fe% Th* U* W* Sr* La*
ST0269.01 168 27 833 20.31 3.00 -8.00 -2 9.0 7.00
ST0269.02 69 17 410 27.00 2.00 -8.00 -2 11.0 -1.00
ST0269.03 38 19 256 33.61 3.00 -8.00 -2 9.0 4.00
ST0269.04 503 33 3523 31.33 8.00 -8.00 2 11.0 28.00
------------------
Sample No. B*
ST0269.01 8
ST0269.02 7
ST0269.03 -3
ST0269.04 7

Faktaarket ble generert 13.06.2026
Spørsmål eller kommentarer vedrørende faktaarket kan mailes til:
ressursdatabaser@ngu.no
Copyright © 2026 Norges geologiske undersøkelse