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THE ORE DATABASE
Occurence 5032 - 004 Dragsten
(Object Id: 4471)
(Last updated: 17.03.2020)
Location
County: Trøndelag Municipality: Selbu (5032)
Map 1:50000: Trondheim (1621-4) Map 1:250000: Trondheim
Coordinate system: EU89-UTM Zone 32
East: 584580 m. North: 7018630 m.
Longitude: 10.6865040 Latitude: 63.2865640
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Resource
Resource Type: Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn) Resource Subtype: Sulphides
Element(s): Kis
Importance
Raw material meaning: Little Importance (reg. 18.02.2015)

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


Mineralization
Era: Paleozoic Period: Ordovician
Genesis: Volcex Form: Lens
Main texture: Banded Min. distribution: Massive (>50 % ore minerals)
Main grain size: Fine grained (< 1 mm) Main alteration: Chloritisation
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 Greenschist 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

Photo(s) from the Deposit area:
Photo no. 1 showing Dragsten, skjerp"

Fieldsamples
Sample No. Sample type Miscellanrous
ST0269.01 Dump
Sampler: Sandstad, J.S./...Stored: Løkken/...Size(kg): 2
Comment: 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
Comment: 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
Comment: 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
Comment: 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
Deposit Area 5032 - 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
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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

The fact sheet was created on 07.05.2024
Questions or comments regarding the fact sheet can be emailed to:
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