Browsing Artikler by Author "Rohr-Torp, Erik"
Now showing items 1-3 of 3
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An integrated study of a Precambrian granite aquifer, Hvaler, Southeastern Norway
Banks, David; Skarphagen, Helge; Rohr-Torp, Erik (NGU Bulletin (422), Journal article, 1992)The Geological Survey of Norway (NGU) is performing an integrated study of the groundwater resources of the Precambrian Iddefjord Granite of Hvaler municipality in southeastern Norway. Linear fracture zones are identifiable ... -
Permian rocks and faulting in Sandsvær at the western margin of the Oslo region.
Rohr-Torp, Erik (NGU (300), Journal article, 1973)In the Sandvær area, a Permian quartz conglomerate and great thicknesses of both the B1-basalt and the rhomb porphyry RP2 are found above the Ringerike sandstone and the underlying Cambro-Silurian sediments. The younger ... -
Present uplift rates and groundwater potential in Norwegian hard rocks
Rohr-Torp, Erik (NGU Bulletin (426), Journal article, 1994)The postglacial isostatic uplift of Fennoscandia is here regarded as the most important factor in keeping fractures open for groundwater flow in Norwegian hard rock aquifer. The present rate of uplift is assumed to represent ...