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Norsk versjon | ||||
| THE INDUSTRIAL MINERAL DATABASE | |||||
| Deposit Area 815 - 323 | |||||
| (Last updated 21.jan.2008) | |||||
Name of Deposit Area : Blandkjenn |
| (Object Id : 0815,323,00,00) |
| Location |
| County : | Telemark (08) | Municipality : | Kragerø (0815) |
| Map 1:50000: | Kragerø (1712-4) | Map 1:250000: | Arendal |
| Marking point: | Longitude: | 9.4603180 | Latitude: | 58.8904780 |
| EU89-UTM Zone 32 | (Coordinates IS confirmed) |
| X-coord: | 526530 m. | Y-coord: | 6527948 m. |
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| Commodity |
| Main Type: | Silica | Sub Type: | Quartzite |
| Production |
| Activity: | Mining | Reserves: | ||
| Prod. method: | Open pit mining | Production: | ||
| Prod. status: | Disused, closed | Volume of dump: |
| Importance |
| Public: | Little Importance (reg. 18.02.2015) |
| Economical: | Minor interest , (Confirmed 21.jan.2008 by Jan Egil Wanvik) |
Operations |
| From - To | Activity | Comments | |
| 1910 - 1950 | Regular production | Company/Institution :Georg Tveit |
Mineralization |
| Era: | Period: | |||
| Dating: | Method: | |||
| Genesis: | Form: | |||
| Main texture: | Min. distribution: |
| Main grain size: |
| Strike/Dip: | Direction: | |||
| Plunge: |
| Stratigraphic classification of host rock |
| Era: | Period: |
| Province: | ||
| Geotec.unit: | ||
| Tectonic complex: | ||
| Igneous complex: |
| Group: | Formation: |
Information(s) in free text format |
| Free text |
| Dette bruddet ble drevet av Georg Tveit. Steinbruddet ble drevet fra ca. 1910-1950. Blanktjern gikk over til firmaet S. Lunøe i 1953. Ref: Morten Rugtveit: "Bergveksdrift, Kjente gruver og brudd i Kragerøområdet" http://www.turer.no/gruver/gruve_gruver.shtml |
| The fact sheet was created on 15.05.2024 |
| Questions or comments regarding the fact sheet can be emailed to: ressursdatabaser@ngu.no |
| Copyright © 2024 Geological Survey of Norway |