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THE ORE DATABASE
Occurence 4024 - 011 Bekkestul
(Object Id: 5481)
(Last updated: 28.03.2020)

Location
County: Telemark Municipality: Hjartdal (4024)
Map 1:50000: Bandak (1513-1) Map 1:250000: Skien
Coordinate system: EU89-UTM Zone 32
East: 481930 m. North: 6609306 m.
Longitude: 8.6797030 Latitude: 59.6215330
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Resource
Resource Type: Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn) Resource Subtype: Copper
Element(s): Cu
Importance
Raw material meaning: Little Importance (reg. 18.02.2015)

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


Operations
From - To Activity Comments
1988 - 1992 Geology Company/Institution :Århus Universitet
2006 - 2006 Sampling Company/Institution :NGU

Mineralization
Era: Proterozoic Period: Mesoproterozoic
Genesis: Hydrothermal vein Form: Lens
Main texture: Fracture filling Min. distribution: Disseminated (<20 % ore minerals)
Main grain size: Fine grained (< 1 mm) Main alteration:
Strike/Dip: 218 / 75 Direction:
Plunge:
Stratigraphic classification of host rock
Era: Proterozoic Period: Mesoproterozoic
Province: South Norwegian Basement Province
Geotec.unit: Telemark Supergroup
Tectonic complex:
Igneous complex:
Group: Vindeggen Group Formation:

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

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

Structures
Location: Type: Orientation(360 gr.): Relation to min.:
Host rock Foliation Strike/Dip :276 / 80 Syn-mineralisation ;...Effect :Modifies

Information(s) in free text format
Free text
Forekomsten ligger sør for en hytte som ligger rett på sørsida av det store deponiet etter utbyggingen av vanntunnelen fra Breidvatnet til Hjartdal. En sti på vestsida av deponiet fører ned til hytta og ca. 150 m fra denne finnes et lite, overgrodd skjerp som er 2-3 m langt og 0,5-1 m bredt. Fin- til middelskornet amfibolitt med foliasjon 276º/80ºer blottet i mindre knauser omkring. I skjerpet opptrer en 3-6 cm bred kvartsåre med aggregater av magnetkis og mindre mengder kobberkis og pyritt. Den har orientering 218º/75º. Stuffer på tippen antyder at åra kan ha vært minst 15 cm bred. Forekomsten er uten økonomisk interesse.

Fieldsamples
Sample No. Sample type Miscellanrous
TE0095.01 Bedrock
Sampler: J.S. Sandstad/...Stored: L¿kken/...Size(kg): 2
Comment: Pyrrhotite+chalcopyrite+pyrite aggregates/veinlets in quartz
No. of registrated element analyses = 1
NB! All analyse values are shown at the end of the printout.:


Analyse Results
from
Deposit Area 4024 - 011 Bekkestul

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#
TE0095.01 Bedrock 820 -100 -100 90 60 2.0 50.0
------------------
Sample No. As* Cd* Mo* Sb* Bi* Cr* Mn* Fe% W*
TE0095.01 -100 -10.0 -10.00 10 -100 -10 100 1.83 -10
------------------
Sample No. Sr* P* Ca*
TE0095.01 -10.0 0 0


The fact sheet was created on 26.04.2024

Questions or comments regarding the fact sheet can be emailed to:
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