Norsk versjon | |||||
THE NATURAL STONE DATABASE | |||||
Deposit Area 919 - 608 | |||||
(Last updated 08.jul.2021) |
Name of Deposit Area : Mjåvatn IV |
(Object Id : 0919,608,00,00) |
Location |
County : | Aust-Agder (09) | Municipality : | Froland (0919) |
Map 1:50000: | Arendal (1611-4) | Map 1:250000: | Arendal |
Marking point: | Longitude: | 8.4982080 | Latitude: | 58.5394460 |
EU89-UTM Zone 32 | (Coordinates IS confirmed) |
X-coord: | 470787 m. | Y-coord: | 6488880 m. |
|
Commodity |
Main Type: | Sandstone and conglomerate | Sub Type: | Quartzite | |
Brickstone(Y/N): | Y |
Production |
Activity: | Stone quarrying | Reserves: | ||
Prod. method: | Open pit mining | Production: | ||
Prod. status: | Volume of dump: |
Importance |
Public: | Not Assessed (reg. 21.03.2017) |
Economical: | Could be significant , (Confirmed 12.jul.2007 by Leif Furuhaug) |
Historical: | No , (Confirmed 20.nov.2009 by Leif Furuhaug) |
Products |
Commercial Name | Product description |
Murestein | Classification :Dry-wall stone | Colour :Grayish | |
Play of colours : | Uniformity :Medium good | ||
Lithology :Quartzrich flagstone | Grain size :Medium grained (1-3 mm) |
Mineralogy: |
Feldspar | Major mineral (>10%) | ||
Quartz | Major mineral (>10%) | ||
Mica | Subordinate mineral (1-10%) |
|
Deposit rock |
Lithology: | Quartzrich flagstone | Weathering colour: | ||
Era: | Proterozoic | Period: | ||
Dating: | Method: | |||
Genesis: | Sedimentary/metamorphic | Form: | Layer | |
Main texture: | Foliated |
Main grain size: | Main alteration: |
Strike/Dip: | Direction: | |||
Plunge: |
Stratigraphic classification of host rock |
Era: | Proterozoic | Period: |
Province: | South Norwegian Basement Province | |
Geotec.unit: | ||
Tectonic complex: | ||
Igneous complex: |
Group: | Formation: |
Mineralogy |
Relationship | Mineral | Amount | |
Not defined | Quartz | Major mineral (>10%) | |
Not defined | Feldspar | Major mineral (>10%) | |
Not defined | Mica | Subordinate mineral (1-10%) |
Structures |
Location: | Type: | Orientation(360 gr.): | Relation to min.: | |
Not defined | Schistosity | Strike/Dip :189 / 90 |
Information(s) in free text format |
Description |
Bruddet er ganske lite, men har gode utvidelsesmuligheter. Ellers er geologien lik den i bruddet Mjåvatn III. |
Location |
Dette bruddet ligger 400 m videre etter samme vei som beskrevet i forekomst Mjåvatn III. |
Photo(s) from the Deposit area: |
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The fact sheet was created on 16.05.2024 |
Questions or comments regarding the fact sheet can be emailed to: ressursdatabaser@ngu.no |
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