Norsk versjon | |||||
THE ORE DATABASE | |||||
Occurence 4625 - 001 Tverrberget | |||||
(Object Id: 4724) (Last updated: 21.03.1997) |
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Location |
County: | Vestland | Municipality: | Austevoll (4625) |
Map 1:50000: | Marstein (1115-3) | Map 1:250000: | Bergen |
Coordinate system: | EU89-UTM Zone 32 |
East: | 279117 m. | North: | 6659391 m. |
Longitude: | 5.0369050 | Latitude: | 60.0122120 |
Show on map |
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Resource |
Resource Type: | Ferroalloys (Cr,Ni,Co,V,Mo,W) | Resource Subtype: | Nickel | |
Element(s): | Kis Cu |
Importance |
Raw material meaning: | Not Assessed (reg. 18.02.2015) |
Resources and production |
Activity: | Pitting | Reserves: | ||
Operating method: | Historical production: |
Mineralization |
Era: | Paleozoic | Period: | Ordovician | |
Genesis: | Orthomagmatic formation | Form: | Lens | |
Main texture: | Structureless | Min. distribution: | Massive (>50 % ore minerals) |
Main grain size: | Medium grained (1-3 mm) | Main alteration: |
Strike/Dip: | 38 / 80 | Direction: | ||
Plunge: |
Stratigraphic classification of host rock |
Era: | Paleozoic | Period: | Ordovician |
Province: | ||
Geotec.unit: | ||
Tectonic complex: | ||
Igneous complex: | Sunnhordland Batholith |
Group: | Formation: |
Mineralogy |
Relationship | Mineral | Amount | |
Gangue mineral | Plagioclase | Subordinate mineral (1-10%) | |
Gangue mineral | Hornblende | Subordinate mineral (1-10%) | |
Ore mineral | Pyrrhotite | Major mineral (>10%) | |
Ore mineral | Chalcopyrite | Accessory mineral (<1%) |
Lithology: |
Relationship | Rock | Origin | |
Host rock | Gabbro | Intrusive Original rock :Gabbro |
Structures |
Location: | Type: | Orientation(360 gr.): | Relation to min.: | |
Host rock | Shear plane | Strike/Dip :38 / 80 | Post-mineralisation ;...Effect :Modifies |
Information(s) in free text format |
Free text |
Skjerpet ligger 80-100 m fra havet, men det er vanskelig å se derfra. Der er utsprengt ca 2 m3. Den mineraliserte sonen har orientering 38°/80°S. Det ses nesten ikke sulfider i fast fjell, sulfidlaget har vel neppe hatt en utstrekning større enn 3 m og en tykkelse på høyst 10 cm. Malmen ligner den fra Fugløy, d.v.s. massiv magnetkis som inneholder litt kobberkis eller en skifrig gabbroid bergart med litt magnetkis og 1-2% kobberkis som sitter på smale sprekker. Mineraliseringen er nok likvidmagmatisk. |
Fieldsamples |
Sample No. | Sample type | Miscellanrous | ||||
HO0035.01 | Bedrock |
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HO0035.02 | Bedrock |
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HO0035.03 | Bedrock |
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NB! All analyse values are shown at the end of the printout.: |
Analyse Results |
from |
Deposit Area 4625 - 001 Tverrberget |
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# |
HO0035.01 | Bedrock | 2122 | 32 | 3 | 1043 | 5756 | 1.2 | 9.0 |
HO0035.02 | Bedrock | 3328 | 35 | 6 | 797 | 4734 | 1.5 | 19.0 |
HO0035.03 | Bedrock | 3797 | 35 | 7 | 749 | 4554 | 1.3 | 7.0 |
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Sample No. | Pt# | Pd# | Rh# | As* | Cd* | Ba* | Mo* | Sb* | Bi* |
HO0035.01 | -3.0 | 32.0 | -5.0 | 13 | -.2 | 16 | 92.00 | -2 | -2 |
HO0035.02 | 7.0 | 10.0 | -5.0 | 26 | -.2 | 14 | 46.00 | -2 | -2 |
HO0035.03 | 224.0 | 14.0 | -5.0 | 16 | -.2 | 13 | 34.00 | 2 | -2 |
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Sample No. | S% | V* | Cr* | Mn* | Fe% | Th* | U* | W* | Sr* |
HO0035.01 | 24.02 | 29 | 113 | 67 | 35.87 | 2.00 | -5.00 | -2 | 9.0 |
HO0035.02 | 21.76 | 22 | 93 | 125 | 26.09 | 2.00 | -5.00 | -2 | 4.0 |
HO0035.03 | 20.61 | 30 | 117 | 162 | 25.71 | -2.00 | -5.00 | -2 | 9.0 |
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Sample No. | La* | B* | |||||||
HO0035.01 | 1.00 | 4 | |||||||
HO0035.02 | 1.00 | -3 | |||||||
HO0035.03 | 1.00 | 3 |
The fact sheet was created on 19.04.2024 |
Questions or comments regarding the fact sheet can be emailed to: ressursdatabaser@ngu.no |
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