Blar i Artikler på tittel
Viser treff 652-671 av 1064
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On the form and mode of emplacement of the Herefoss granite.
(NGU (214A), Journal article, 1963)Det geologiske kart over S.Ø. Aust-Agder er dominert av to nesten sirkelrunde granittmassiver, Herefossgranitten (Birkelandsgranitten) og Grimstadgranitten (Fevikgranitten). Et kart over den geologiske omgivelse av disse ... -
On the formation of a carbonate-bearing ultrabasic rock at Kviteberg, Lyngen, northern Norway.
(NGU (205), Journal article, 1959)An area of crystalline dolomite, schists, and gneiss including an ultrabasic body at 60 degrees 35' N and 20 degrees 18' E is described petrographically and structurally. The ultrabasic rock contains enstatite, olivine, ... -
On the gneisses from a part of the north-western gneiss area of Southern Norway.
(NGU (173), Journal article, 1949)The north-western part of Southern Norway is an area mainly of gneisses, formerly regarded as entirely of Archean age. In later years a number of writers have maintained that parts of the gneisses are Caledonian migmatites ... -
On the presence of minerals of the linnaeite in some copper ores from the Raipas formation of Northern Norway.
(NGU (200), Journal article, 1957)Two minerals of the linnaeite series, A3S4, have been identified and examined in ores from two localities in the Alta district of Finnmark. Their compositions show them to be siegenite and carrollite, respectively. Associated ... -
On the tectonic relations of the Devonian complex of the Røragen area, East Central Norway.
(NGU (223), Journal article, 1963)In 1961, by chance, the author observed strata within the Devonian complex at Røragen. As the complex was earlier believed to be faulted only, the athor revisited the area in 1962. In the present paper the field relations ... -
On the variolitic structure.
(NGU (223), Journal article, 1963)The article presents detailed descriptions of the variolitic structure in selected minor intrusions and lavas. The evidence indicates that the varioles formed by liquid segregation rather than by spherulitic crystallization. -
Opdyrkning af lerfaldet i Værdalen
(NGU (14), Journal article, 1894)A great land-slip occurred along the river in the Værdalen valley (east of the Trondhjemsfjord) on the 19th of May 1893. Mr. Werenskiold has analysed the earths, clay and sand, from the landslip-region, and on basis of ... -
Ophiolitic ultramafites in the Folldal-Røros tract, and their Cr-(PGE) mineralisation
(NGU Bulletin (433), Journal article, 1997) -
Oplysninger til Blakstads jordbundskart over Trondhjems omegn
(NGU (32), Journal article, 1901)Forkortet: Most of the area represented on the map consists of marine clay which is left white on the map p.113. The finely striated parts are sandy clay and the finely dotted parts are sand. River gravel is designated ... -
Oppland. Beskrivelse til kvartærgeologisk landgeneralkart.
(NGU (187), Journal article, 1954)The present map of the quaternary deposits of Oppland was prepared on the general principles applied to the preceding map of Oslo and outlined in the accompanying publication, NGU no. 176. As the ice front retired and the ... -
Oppsprekning, topografi og vannføring i massive dypbergarter. Meddelelser fra Vannboringsarkivet nr. 4.
(NGU (195), Journal article, 1956)Relations between jointing, topography and ground water in massive igneous rocks. In a printed lecture on the hydro-geology of Norwegian rocks (see Nor- wegian text), the author mentions the larvikite and nordmarkite area ... -
Optegnelser fra Balsfjorden
(NGU (4), Journal article, 1891)Forkortet: The author gives some observations made on a tour along the shores of the Balsfiord, which goes inland from Tromsø; the occurrence of the rock described by Rosenbusch as sagvandite, a mixture of enstatite and ... -
Ordovician lithistid sponges and gastropods from the Snåsa limestone, Nord-Trøndelag, Norway
(NGU Bulletin (434), Journal article, 1998)Fossil occurring in the Snåsa Limestone, observed in new road-cuts along the main E6 road near Snåsavatnet, Nord-Trøndelag, are illustrated and briefly described. Although the effects of Scandian deformation and crystallisation ... -
Ordovician stratigraphy in the western Helgeland Nappe Complex in the Brønnøysund area, North-central Norway.
(NGU Bulletin (438), Journal article, 2001)In the western part of the Helgeland Nappe Complex, a small ophiolite fragment (the Bolvær Complex) and a metasedimentary succession (the Brønnøysund Group) are exposed on several islands to the west of Brønnøysund. The ... -
Organic matter mineralization and the effects of petroleum pollution in a shallow-marine sediment - a case study from Århus Bugt, Denmark
(NGU Bulletin (430), Journal article, 1996)Organic geochemical analyses of core samples from the Station 6 site in Århus Bugt, Denmark, show systematic changes with depth below the sediment-water interface. Over the upper 6-7 centimetres, corresponding to the ... -
Orienterende undersøkelser vedrørende sprøhet og flisighet av bergarter.
(NGU (247), Journal article, 1967) -
Origin of plagioclase-megacrysitic, orthopyroxene amphibolites within a Precambrian banded gneiss suite, Flekkefjord area, Vest-Agder, South Norway.
(NGU Bulletin (438), Journal article, 2001)Within a banded gneiss suite belonging to the high-grade Mesoproterozoic Flekkefjord complex in southern Norway, thin lenses of orthopyroxene amphibolites with medium- to large-size plagioclase megacrysts are located at ... -
Origin of shallow gas in Skagerrak and Kattegat - evidence from stable isotopic analyses and radiocarbon dating
(NGU Bulletin (430), Journal article, 1996)In the Danish coastal waters of northern Kattegat - southern Skagerrak, methane occurs both within sediments and as numerous gas seeps. -
Oslo. Beskrivelse til kvartærgeologisk landgeneralkart.
(NGU (176), Journal article, 1951)Marine deposits: All along the coast of Norway above the present sea level there are raised beaches, caves and terraces formed by waves. This proves that formerly the ocean reached a higher level. The highest one since the ... -
Oslofjordens prekambriske områder. I. Innledende oversikt. Hurum. Les formations prprecambriennes du fjord d'Oslo.
(NGU (181), Journal article, 1952)Dette arbeidet er det første i en serie som skal ha som mål å beskrive Oslofjordens prekambriske formasjoner (se kart nr. 1). Dette første volum i serien består av to deler. Den første delen gir en kortfattet oversikt av ...