Borgenåsen, Asker, Akershus, Norway

Dravite
Borgenåsen, Asker, Akershus, Norway

Photo: Knut Eldjarn

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Borgenåsen, Asker kommune, Akershus fylke, Norge

Miarolitic cavities in Drammens granite close to the contact with cambrosilurian sediments altered to hornfels. Many cavities were exposed during a period of house and road constructions in the 1970s.

References

- Eldjarn, K. (1994): Uvitt-dravitt fra Borgenåsen, Asker. STEIN 21 (2), 148-151

Mineral List

Albite
Anatase
Dravite

'Dravite-Uvite Series'
'Feldspar Group'
'Muscovite-1M'

Orthoclase
Quartz
var: Amethyst

Quartz
var: Smoky Quartz
Schorl
Uvite

12 entries listed. 7 valid minerals.

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