Blar i NGU Open Archive på emneord "GEOKRONOLOGI"
Viser treff 21-40 av 106
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Børgefjell. Beskrivelse til det berggrunnsgologiske gradteigskart J.19 - 1: 100 000
(NGU; Skrifter (298 ; 8), Journal article, 1973)Three main structural units are present: 1. The Precambrian (Svecofennokarelian) basement of the Børgefjell Window. \". Low grade (greenschist facies) Lower Paleozoic rocks belonging to the Seve-Køli Nappe Complex. 3. The ... -
C14-datings referring to shore lines, transgressions, and glacial substages in Northern Norway. (A supplement to papers of 1960 and 1961 by the author).
(NGU (215), Journal article, 1962)Denne publikasjonen er en foreløpig meddelelse som i det vesentlige dreier seg om en serie C14-dateringer utført av R. Nydal ved Laboratoriet for Radiologisk Datering i Trondheim. Dateringene synes å gi viktige opplysninger ... -
Cier'te. Beskrivelse til det berggrunnsgeologiske kart 1733 II - 1:50 000 (med fargetrykt kart).
(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, ... -
Classification of uranium mineralization in Norway.
(NGU (380), Journal article, 1983)NGU has carried out exploration for uranium on a small butvarying scale since the second World War. An attempt is made toclassify types of uranium mineralization occuring in Norway, followinga system based on genetic types. ... -
Collection report: Rotary querns in the Museum of Archaeology, University of Stavanger
(NGU-Rapport (2014.002), Report, 2015)The collection of 142 prehistoric rotary querns stones and fragments at the Museum of Archaeology, University of Stavanger (AM) is the largest in the country. More than half of the total (85), from secure chronological ... -
Compilation of geochronological data for Cenozoic volcanic activity on the African plate and for selected Northern African sedimentary basins
(NGU-Rapport (2012.014), Report, 2012)A compilation of published isotope geochronological data for Cenozoic volcanic \/ magmatic activity on the African plate and for part of the adjacent Antarctic plate was created within the African Plate project (TAP; ... -
COPENA conference at NGU, August 18-22 1997: Abstracts and Proceedings
(NGU-Rapport (97.131), Report, 1997)IGCP project 371 COPENA (Structure and Correlation of the Precambrium in NE Europe and the North Atlantic Realm) is a major current research and corre- elation venture in the North Atlantic Region and the European Precambrian ... -
Dating explosive volcanism perforating the Precambrian basement in southern Norway.
(NGU (380), Journal article, 1983)K-Ar and Rb-Sr dating have been performed on various hypabyssal diatreme-facies volcanic rocks perforating the Sveconorwegian zone of the Precambrian basement in southern Norway. The dated rocks were taken from the Fen ... -
Deglaciation of the continental shelf off southern Troms, North Norway.
(NGU (380), Journal article, 1983)Based on lithostratigraphical and seismic studies, four (possibly five) glacial events are recognized in Andfjorden. The two oldest, the I- and G-events are represented by basal tills. The continental ice sheet probably ... -
Deglasiasjonsforløpet i Aurlandsdalen og områdene omkring, Vest-Norge.
(NGU (317), Journal article, 1975)Ice movements and the course of deglatiation in the Aurland area are reconstructed. The oldest ice movement was from the SE-ESE and converged towards Aurlandsfjorden, while the younger movements were influenced by the local ... -
Diatom stratigraphy related to Late Weichselian sea-level changes in Sunnmøre, Western Norway.
(NGU (380), Journal article, 1983)In sediment cores from four small basins from 44 to 26 m above sea-level, the boundaries between marine, brackish and lacustrine sediments are precisely identified through their distinct diatom stratigraphy. In all basins ... -
Early Ordovician ages of zircons from felsic rocks and a conglomerate clast, Frosta peninsula, Central Norwegian Caledonides
(NGU Bulletin (450), Journal article, 2010)Zircons extracted from a felsic sheet in the bimodal, magmatic, Fånes complex of the Støren Nappe on Frosta peninsula yielded a U-Pb age of 488 \u00B1 5 Ma, interpreted as the age of crystallisation. A large clast of ... -
Eemian and Weichselian deposits at Bø on Karmøy, SW Norway: a preliminary report.
(NGU (380), Journal article, 1983)Lithological and biostratigraphical studies, including studies of pollen, foraminifera and molluscs, together with amino acid analysis, radiocarbon datings and Uranium-Thorium datings of the deposits in a 21 m section with ... -
Einergrein av Preboreal alder funnet i israndavsetning i Eidfjord, Vest-Norge.
(NGU (266), Journal article, 1970)In 1969 a branch of juniper (Juniperus communis) was found in a sand-pit on the ice marginal delta in Eidfjord, West-Norway. Radiocarbon dating gave an age of 9680\u00B190 years B.P., which means that the delta is Preboreal ... -
Ekskursjonsguide. Kvartærgeologien i Verdalen, Nord-Trøndelag
(NGU-Rapport (94.048), Report, 1994)Det gis først, ut fra NGUs kartlegging, en generell oversikt over geologien med berggrunn, isbevegelser, israndtrinn og alder, landhevning, sedimenter, erosjon og landskapsformer. Ekskursjonen er lagt opp som en lang dagstur ... -
Elvdal. Beskrivelse til kvartærgeologisk kart 2018 III - M 1:50 000 (med fargetrykt kart)
(NGU; Skrifter (346 ; 27), Journal article, 1979)The superficial deposits consists mainly of sandy basal till\r and gravelly-sandy ablation till. The glaciofluvial and fluvial\rsediments are mainly gravelly. The lithology of the fine gravel and the\r mineralogy of sand ... -
En geologisk undersøkelse på den sørøstre del av kartbladet Salangen.
(NGU (234), Journal article, 1965)Petrographic and structural investigations were made in a Cambro-Ordovician area of the Caledonides of Northern Norway, situated in Salangen, Troms. The rocks, mainly mica schists rich in biotite and\/or muscovite, are ... -
En petrografisk-mineralogisk undersøkelse i området syd for Majavann, spesielt granaters sammensetning under regional metamorfose.
(NGU (234), Journal article, 1965)The investigated area is situated in the Norwegian Caledonian orogenic belt, south of Majavann (Nordland county). The main rock types are micagneisses and garnet-mica-schists, cristalline limestones, granodioritic-gneisses, ... -
Fjellkjedestudier i den østlige del av Troms.
(NGU (248), Journal article, 1967)In 1915, Thoralf Vogt tavelled along the eastern margin of the Caledonian mountain range from Tornetr\u00E4sk in Norrbotten through Troms (Norway) and the adjacent regions of Sweden and Finland to Nordreisa (in the ... -
Gabbroic and quartz dioritic intrusions in gneisses on southern Askøy, West Norwegian Caldonides.
(NGU (270), Journal article, 1971)Light- and dark-coloured biotite gneisses and in part amphibole gneisses, of supracrustal origin have been intruded by a Precambrian basic pluton. Later a quartz diorite was intruded into the basic rocks. By assimilation ...