Blar i NGU Open Archive på forfatter "Gjelsvik, Tore"
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Albittrike bergarter i den karelske fjellkjede på Finnmarksvidda, Nord-Norge.
Gjelsvik, Tore (NGU (203), Journal article, 1958)Greenschists and alternating, smaller beds of graphite schists, felsites, together with intrusive rokcs of diabase and granitoid character, all belonging to the Karelidic orogeny, show strong enrichment of albite. Chemical ... -
Cier'te. Beskrivelse til det berggrunnsgeologiske kart 1733 II - 1:50 000 (med fargetrykt kart).
Fareth, Eigill; Lindahl, Ingvar; Gjelsvik, Tore (NGU; Skrifter (331; 20), Journal article, 1977)A general description of the bedrock geology is presented. The map area has a threefold tectono-stratigraphic division. 1: The Precambrian (Sveco-karelian) besement rocks are subdivided into two complexes. The older one, ... -
Det nordvestlige gneis-område i det sydlige Norge, aldersforhold og tektonisk-stratigrafisk stilling.
Gjelsvik, Tore (NGU (184), Journal article, 1953) -
Epigenetisk koppermineralisering på Finnmarksvidda.
Gjelsvik, Tore (NGU (203), Journal article, 1958)In the Precambrian rocks of Finnmarksvidda, one big copper deposit, Biddjovagge, and a series of small sulphide occurrences are located. The sulphides are pyrite, chalkopyrite and phyrrhotite, in some places also bornite ... -
Kort beretning om Norges Geologiske Undersøkelses ekspedisjon til Birtavarre gruvefelt i Troms, 1952.
Gjelsvik, Tore (NGU (184), Journal article, 1953)The paper gives a short review of the initial work of a Survey expedition to the southern part of the pyrite ore province of Vaddas-Birtavarre in Northern Norway. The ore bodies occur as concordant bands and lenses in ... -
Oversikt over bergartene i Sunnmøre og tilgrensende deler av Nordfjord.
Gjelsvik, Tore (NGU (179), Journal article, 1951)The paper describes the rocks within a large gneiss-area in Sunnmøre district, on the north-west coast of Southern Norway, between Bergen and Trondheim. Besides the dominating granitic gneisses, the rocks consist of remnants ...