Browsing Artikler by Title
Now showing items 51-70 of 1064
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Age of gneissic rocks in the Caledonian nappes of the Alta district, northern Norway
(NGU Bulletin (403), Journal article, 1985)Result of a Rb-Sr geochronological investigation are presented which confirm the Precambrian age of gneisses forming parts of the Skillefjord and Nalganas Nappes of the West Finnmark Caledonian allochthon. In the case of ... -
Age of the Krossnes Granite, West Norway
(NGU Bulletin (413), Journal article, 1988)Rb-Sr isotope whole-rock dating of the Krossnes Granite has yielded an isochron age of 430 \u00B1 6 Ma with I.R. = 0.07066 \u00B1 0.0005, interpreted as the age of intrusion. This age is close to that of the Håkre Granite ... -
Age of the Younger Dryas ice-marginal substages in Mid-Norway - Tautra and Hoklingen, based on a compilation of 14C-dates
(NGU Bulletin (454), Journal article, 2015)The ice-marginal Tautra and Hoklingen Substages in the Trøndelag counties, Mid-Norway, have for a long time been referred to as of early and late Younger Dryas (YD) age, respectively. The basis for this is the regional ... -
Albittrike bergarter i den karelske fjellkjede på Finnmarksvidda, Nord-Norge.
(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 ... -
Almenfattelig forklaring af kartet og af endel i det foregaaende anvendte geologiske udtryk
(NGU (4), Journal article, 1891) -
Alta og Gargia. Beskrivelse til de berggrunnsgeologiske kart 1834 I og 1934 IV - M 1 : 50 000.
(NGU; Skrifter (357; 32), Journal article, 1980)General descriptions of the different metasedimentary, metavolcanic and igneous rocks occurring within the area of the two map-sheets are presented. Three principal map-subdivisions are recognized: (a) a Precambrian (supposed ... -
Amphibolites and metagabbros from the Proterozoic Telemark Suite of Setesdalsheiene, South-central Norway.
(NGU (378), Journal article, 1983)Proterozoic supracrustal rocks of the Telemark Suite, including large thicknessof basic metavolcanites, occur as a large-scale isolated outlier within theolder gneiss-migmatitegranite complex on the mountain plateau ... -
An evaluation of the determination of heavy metals, barium and phosphorus in sea-bed sediments
(NGU Bulletin (430), Journal article, 1996)An evaluation of the results obtained by following established procedures for collection and analysis of sea-bed sediments indicates that there is an acceptable reproducibility using nitric acid extraction and subsequent ... -
An example of granitization in the central zone of the Caledonides of Northern Norway. Et eksempel på granittisering i den sentrale sonen av Kaledonidene i Nord-Norge.
(NGU (184), Journal article, 1953)A brief outline of the geology of the Holandsfjord area is given and the structural evolution and the granitization processes are discussed. It is concluded that the large masses of granite overlying the paragneisses may ... -
An integrated study of a Precambrian granite aquifer, Hvaler, Southeastern Norway
(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 ... -
An occurrence of naturally lead-poisoned soil at Kastad near Gjøvik, Norway.
(NGU (266), Journal article, 1970)A 100 m2 area with exeptionally sparse vegetation in the forestat Kastad, 6.5 km north of Gjøvik, Norway, is described. The area bearsno signs of human activity. Determination of heavy metals in the soilsof the area shows ... -
An occurrence of unusual minerals at Bidjovagge, Northern Norway.
(NGU (266), Journal article, 1970)A complex titanium mineral containing abundant vanadium, and iron is described. The distribution of minor cerium, yttrium and scandium characterizes the two phases of which the mineral is comprised. As associate minerals ... -
An occurrence of zeolites at Kragerø, southern Norway.
(NGU (205), Journal article, 1959)Zeolitene ble funnet på to slepper i en kvartsrik gneis ved Østland, ca. 1,5 km NV for Kragerø. Sleppe nr. 1 inneholder natrolit, desmin, heulandit og laumontit, alle zeoliter. Sleppe nr. 2 inneholder kalkspat, epidot, ... -
An outline of the geology of the Lyngen peninsula, Troms, Norway. (Abstract)
(NGU (269), Journal article, 1971) -
An overview of titanium deposits in Norway
(NGU Bulletin (436), Journal article, 2000)Titanium deposits in Norway are of three major types: igneous, metasomatic and metamorphic. The igneous deposits are compared of ilmenite, magnetite and apatite in various proportions and occur in geological provinces of ... -
Andøens kulfeldt
(NGU (36), Journal article, 1902)Forkortet: The Andøy Coal field lies on the Eastern side of the isle of Andøy in Northern Norway (70\u00B0N). A sketch map of the northern part of this isle is found on p.28, where the coal-field is shaded. The diagram om ... -
Aqueous geochemistry of the Romerike area, southern Norway
(NGU Bulletin (420), Journal article, 1990)Groundwater flowing through the sandy glaciofluvial deposits at Romerike has an average residence time of 30 years. The most important processes taking place along its flowpaths are dissolution of low-Mg calcite and ... -
Arbeider som Brit Hofseth ikke hadde ferdig bearbeidet, angående Holleia og gabbrofeltene i Troms petrografisk bearbeielse.
(NGU (157), Journal article, 1942) -
Aspects of the geology of the southwestern Barents Sea from aeromagnetic data
(NGU Bulletin (427), Journal article, 1995) -
Aurdal. Beskrivelse til det geologiske gradteigskart.
(NGU (185), Journal article, 1954)The gneisses of the area can be divided into two distinct groups, plagioclase gneisses of a quartzdioritic composition and granodioritic gneisses. In the stripe of Archean rocks along the valley of the Begna there is a ...