Norsk versjon | |||||
THE ORE DATABASE | |||||
Occurence 4016 - 009 Helldal | |||||
(Object Id: 5588) (Last updated: 11.05.2023) |
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Location |
County: | Telemark | Municipality: | Drangedal (4016) |
Map 1:50000: | Gjerstad (1612-1) | Map 1:250000: | Arendal |
Coordinate system: | EU89-UTM Zone 32 |
East: | 508999 m. | North: | 6535210 m. |
Longitude: | 9.1564540 | Latitude: | 58.9564210 |
Show on map |
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Resource |
Resource Type: | Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn) | Resource Subtype: | Copper | |
Element(s): | Kis Cu |
Importance |
Raw material meaning: | Little Importance (reg. 18.02.2015) |
Resources and production |
Activity: | Pitting | Reserves: | ||
Operating method: | Historical production: |
Mineralization |
Era: | Proterozoic | Period: | Mesoproterozoic | |
Genesis: | Volcex | Form: | Lens | |
Main texture: | Breccia cement | Min. distribution: | Massive (>50 % ore minerals) |
Main grain size: | Fine grained (< 1 mm) | Main alteration: |
Strike/Dip: | Direction: | |||
Plunge: |
Stratigraphic classification of host rock |
Era: | Proterozoic | Period: | Mesoproterozoic |
Province: | South Norwegian Basement Province | |
Geotec.unit: | Bamble Complex | |
Tectonic complex: | ||
Igneous complex: |
Group: | Formation: |
Mineralogy |
Relationship | Mineral | Amount | |
Gangue mineral | Amphibole | Major mineral (>10%) | |
Gangue mineral | Quartz | Major mineral (>10%) | |
Ore mineral | Pyrrhotite | Major mineral (>10%) | |
Ore mineral | Chalcopyrite | Subordinate mineral (1-10%) | |
Ore mineral | Sphalerite | Accessory mineral (<1%) |
Information(s) in free text format |
Free text |
Gruven ligger under en liten skrent på østsiden av et lite dalføre på østsiden av Hommansfjellet. En traktorvei går gjennom dalen og passerer like under gruvetippen. Den tar av fra veien til Bratthammar gård like etter avkjørselen fra fylkesveien. (JSS/PMI) |
Photo(s) from the Deposit area: |
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Fieldsamples |
Sample No. | Sample type | Miscellanrous | ||||
TE0202.01 | Dump |
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TE0202.02 | Dump |
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TE0202.03 | Dump |
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NB! All analyse values are shown at the end of the printout.: |
Analyse Results |
from |
Deposit Area 4016 - 009 Helldal |
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# |
TE0202.01 | Dump | 9695 | 1117 | 2 | 211 | 107 | 3.9 | 347.0 |
TE0202.02 | Dump | 15878 | 9331 | 5 | 105 | 50 | 3.8 | 297.0 |
TE0202.03 | Dump | 41122 | 7333 | 16 | 146 | 73 | 8.7 | 1.0 |
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Sample No. | Pt# | Pd# | As* | Cd* | Ba* | Mo* | Sb* | Bi* | S% |
TE0202.01 | 2.0 | 1.0 | 20 | 4.1 | 10 | 6.00 | 2 | 16 | 20.20 |
TE0202.02 | 1.0 | 2.0 | 8 | 56.9 | 75 | 3.00 | 2 | 21 | 11.30 |
TE0202.03 | 1.0 | 1.0 | 13 | 45.0 | 14 | 3.00 | 2 | 51 | 15.50 |
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Sample No. | V* | Cr* | Mn* | Fe% | Th* | U* | W* | Sr* | La* |
TE0202.01 | 15 | 14 | 177 | 36.09 | 1.00 | 4.00 | 1 | 12.0 | 2.00 |
TE0202.02 | 17 | 9 | 356 | 17.61 | 1.00 | 12.00 | 1 | 20.0 | 3.00 |
TE0202.03 | 2 | 26 | 322 | 23.53 | 1.00 | 9.00 | 1 | 15.0 | 3.00 |
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Sample No. | B* | ||||||||
TE0202.01 | 5 | ||||||||
TE0202.02 | 2 | ||||||||
TE0202.03 | 2 |
The fact sheet was created on 29.03.2024 |
Questions or comments regarding the fact sheet can be emailed to: ressursdatabaser@ngu.no |
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