Blar i Artikler på tittel

Viser treff 418-437 av 1064

    • Isotope geochronology of the Eidfjord Granite, Hardangervidda, West Norway. 

      Priem, Harry N.A.; Verschure, R.H.; Verdurmen, E.A.Th.; Hebeda, E.H.; Boelrijk, N.A.I.M. (NGU (327), Journal article, 1976)
      The Eidfjord Granite has a 7-point whole-rock Rb-Sr isochron age of 931 +- 35 Ma with initual 87Sr\/86Sr = 0.7058 +- 0.0028 (50.0 X (10)9 year 87Rb half life; errors at 95 per cent confidence level). Two separated biotites ...

    • Isotopic age determinations in South Norway: II. The problem of errorchron ages from Telemark rhyolites. 

      Maijer, C.; Verschure, R.H.; Andriessen, P.A.M. (NGU Bulletin (418), Journal article, 1990)
      Two sets of Telemark Supracrustal acid metavolcanics of the Rjukan Group were investigated by the Rb-Sr whole-rock method. Eleven smples within a sampling range of about 10 m were taken at Kvamsstøl at a distance of about ...

    • Isotopic composition, deposition ages and environemnts of Central Norwegian Caledonian marbles 

      Sundvoll, Bjørn; Trønnes, Reidar G. (NGU Bulletin (427), Journal article, 1995)

    • Isotopic evidence on the age of the Trysil porphyries and granites in eastern Hedmark, Norway. 

      Verschure, R.H.; Boelrijk, N.A.I.M.; Hebeda, E.H.; Verdurmen, E.A.Th.; Priem, H.N.A. (NGU (266), Journal article, 1970)
      Rocks from the (sub-Jotnian) acidic plutonic and volcanic basement complexes in the Trysil area, eastern Hedmark, yield a Rb-Sr isochron age of 1541+-69 million years. This agrees within the limits of error with the isochrom ...

    • Isrand-dannelser ved Atnesjøen. 

      Werenskiold, W. (NGU (183), Journal article, 1952)
      Atnesjø is a lake in Central Norway, 700 m above sea level just to the SE of the Rondane mountain group. The Atnariver enters the lake from the north, and leaves at the north end, forming an affluent to the great Glomma ...

    • IV. Ramsøy titanjernmalmfelt i Solør og dets differentiations- processer 

      Foslie, Steinar (NGU (68), Journal article, 1914)
      Forkortet: The present paper deals with a deposit of titaniferrous iron ore in the province of Solør, in southeastern Norway, and its formation through differentition processes. The treatise may be naturally divided into ...

    • IV. Litt om Jutulhugget 

      Reusch, Hans (NGU (79), Journal article, 1917)
      The Jutulhug (\"The big Troll's Notch\") is a cleft or canyon situated in the central part of Southern Norway under 62 degrees N. As our somewhat schematic drawing on p. 4 shows, it is situated in a wide saddle between the ...

    • IV. Nogen bidrag til Hitterens og Smølens geologi 

      Reusch, Hans (NGU (69), Journal article, 1914)
      Forkortet: Hitra and Smøla (Map on p.6) are two rather large islands on the West coast of Norway at 63 1\/2\u00B0N. Smøla belongs entirely to the coast plain of Norway and is remarkably low and flat. A great part of Hitra ...

    • IV. Svartisen. Dens geologi 

      Marstrander, Rolf (NGU (59), Journal article, 1911)
      Forkortet: The glacier Svartisen is, next to Jostedals glacier, the largest in Norway, and one of the largest in Europe. The arctic Circle passes through its southern part. Wherever accessible, the underlying rocks are ...

    • Jernmalm og jernverk. Særlig om elektrisk jernmalm-smelting. 

      Vogt, J.H.L. (NGU (85), Journal article, 1918)

    • Jomaforekomstenes blokkvifter. 

      Oftedahl, Christoffer (NGU (200), Journal article, 1957)
      The Joma pyrite occurence contains some 15 million tons ore and crops out mostly under bogs with maximum ore zonewidth of 40 m. The surrounding morainic deposits have been investigated for ore boulders, in order to find ...

    • Jordartregioner i Norge. 

      Holmsen, Gunnar (NGU (213), Journal article, 1961)
      As older geological maps mainly present bedrock geology to the neglect of drift, the Geological Survey of Norway (NGU) year 1936 realized the need of a special map to supply necessary information about quaternary deposits. ...

    • Jordbunden i Jarlsberg og Larviks amt 

      Helland, Amund (NGU (16), Journal article, 1894)

    • Jordbunden i Romsdals amt. Del 1. Den almindelige del og herrederne i søndmør 

      Helland, Amund (NGU (18), Journal article, 1895)

    • Jordbunden i Romsdals amt. Del.2 Herrederne i Romsdalen og Nordmør 

      Helland, Amund (NGU (19), Journal article, 1895)

    • Jordfaldet ved Mørset i Stjørdalen. 

      Reusch, Hans (NGU (32), Journal article, 1901)
      Forkortet:The railway from Trondheim to Sweden runs East through the Stjørdal.The lower part of this valley is open and wide. About 9 km from the sea, themain river is joined from the north by the small river Gråelven which ...

    • Jurassic biota and biofacies in erratics from the Sortland area, Vesterålen, northern Norway 

      Fürsich, Franz Theodor; Thomsen, Elsebeth (NGU Bulletin (443), Journal article, 2005)
      Erratic blocks occurring on the shore at Sortland, northern Norway, consists of fine-to coarse-grained siliclastics, in places conglomeratic, which exhibit signs of large-scale cross-bedding or, less commonly, are bioturbated. ...

    • Jurassic sandstone provenance and basement erosion in the Møre margin - Froan Basin area 

      Mørk, Mai Britt E.; Johnsen, Sverre Ola (NGU Bulletin (443), Journal article, 2005)
      Upper Triassic, Jurassic and Lower Cretaceous sandstones and conglomerates from different settings around the Møre-Trøndelag Fault Complex have been studied for interpretation of sediment provenance and basement erosion ...

    • Jæderens geologi. 

      Bjørlykke, Knut O. (NGU (48), Journal article, 1908)
      Forkortet:Jæren is the comparatively flat district on the South Western coast of Norway,between Stavanger and Egersund. The soil consists in most parts, of deposits ofloose material, moraine sand and gravel, peat moss and ...

    • Jæderens jordbund. 

      Grimnes, A. (NGU (52), Journal article, 1910)
      Forkortet:The comparatively flat extent of country which stretches from the neighbour-hood of Stavanger to the neighbourhood of Vigrestad, has above the bed-rocka cover of loose material which in the southern part attains ...