Blar i NGU Open Archive på forfatter "Røsholt, Bernt"
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250 A : Uran og thorium i Norge : 250 B : The lead and zinc bearing veins at Tråk in Southern Norway : 250 C : Kongsberg Sølvverk
Sverdrup, Thor L.; Bugge, Arne; Røsholt, Bernt; Bjørlykke, Harald; Thorkildsen, Chr. Dick (NGU (250 A), Journal article, 1967) -
The lead and zinc bearing veins at Tråk in Southern Norway.
Røsholt, Bernt (NGU (250 B), Journal article, 1967)The nearly vertical zinc and lead bearing veins that cut through Precambrian rocks near the Oslo region at Tråk in Bamle Southern Norway, are described. They can be followed for nearly 2.5 km. A younger introuded diabase ...