Blar i Artikler på tittel
Viser treff 415-434 av 1064
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Isbevegelse i Lillehammer-området, Sør-Norge, under siste nedising.
(NGU (378), Journal article, 1983)The ice movement from the last glaciation in the northern part of the lake Mjøsa district are presented in an ice phase model. Four main ice phases are reconstructed mainly based on striation, but fluted surfaces, poorly ... -
Isfrie refugier i Norge under istiden.
(NGU; Skrifter (297; 7), Journal article, 1973)A review is given of the historical development of the theory of unglaciated refugia in Norway. The phyto-geographical and geological arguments for and against the theory are discussed, and our knowledge of the ice-borders ... -
Isotope geochronology in the high-grade metamorphic Precambrian of southwestern Norway: new data and reinterpretation.
(NGU (359), Journal article, 1980)A new series of isotopic age data is reported from the high-grade metamorphic Precambrian in S.W. Norway, mainly from the Sirdal-Ørsdal area. U-Pb investigations on suites of zircons from three augen gneisses and a pyroxene ... -
Isotope geochronology of the Eidfjord Granite, Hardangervidda, West Norway.
(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.
(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
(NGU Bulletin (427), Journal article, 1995) -
Isotopic evidence on the age of the Trysil porphyries and granites in eastern Hedmark, Norway.
(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.
(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
(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
(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
(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
(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.
(NGU (85), Journal article, 1918) -
Jomaforekomstenes blokkvifter.
(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.
(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
(NGU (16), Journal article, 1894) -
Jordbunden i Romsdals amt. Del 1. Den almindelige del og herrederne i søndmør
(NGU (18), Journal article, 1895) -
Jordbunden i Romsdals amt. Del.2 Herrederne i Romsdalen og Nordmør
(NGU (19), Journal article, 1895) -
Jordfaldet ved Mørset i Stjørdalen.
(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
(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. ...