Browsing Artikler by Title
Now showing items 667-686 of 1064
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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 ... -
Otta-dekket og Valdres-gruppen i strøkene langs Bøverdal og Leirdalen.
(NGU (228), Journal article, 1964)In his 1951 paper (Strand, 1951) the writer described the Otta nappe (lower Jotun nappe). The nappe was mapped in the Vågå map area, extending west to the meridian 2 dgrs. west of Oslo. It is here a thin and discontinous ... -
Oversigt over forekomsten av kali i silikatmineraler.
(NGU (108), Journal article, 1922) -
Oversikt over bergartene i Sunnmøre og tilgrensende deler av Nordfjord.
(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 ... -
Oversikt over Grongfeltets skjerp og malmforekomster.
(NGU (202), Journal article, 1958)Ore occurences of the Grong area: In the period 1910-1918 a great number of ore occurences were discovered in the Grong area. The late state geologist Steinar Foslie mapped the area in the years 1922-1931. Foslie also ... -
Oversikt over Norges mineraler.
(NGU (170), Journal article, 1948)The aim of the present publication is to give a complete list of the mineral species so far known to occur in Norway. Only well defined species have been listed: Therefore a number of mineral names referring to more or ... -
Overwiew of talc resources in the Altermark talc province, northern Norway, and possible uses of the talc ore
(NGU Bulletin (436), Journal article, 2000)Active prospecting during the past 10 years has proved that the Altermark area contains much more talc than previously recognised in the Nakkan-Esjeklumpen area, 10 M tonnes or more of talc-carbonate ore are probably ... -
Palaeogeography and facies distribution in the Tertiary of Denmark and surrounding areas.
(NGU (316), Journal article, 1975)A short review of the stratigraphical terminology and nomenclature of the Danish Tertiary is presented. The lower Paleocene (Danian) is lithologically similar to the Upper Cretaceous but has a more variable facies distribution, ... -
Paleogene fossils in erratic blocks from Averøy and Frei, Nordmøre, Norway
(NGU Bulletin (455), Journal article, 2016)Two erratic blocks found on Averøy and Frei in Nordmøre contain fossils of Paleocene-Oligocene age. A yellowish sandstone block found at the shore on Tjønnøya at Averøy contains a fossil decapod Palaeocarpilius sp., a genus ... -
Pb-isotope constraints on the metallogeny in the Meråker Nappe.
(NGU Bulletin (427), Journal article, 1995) -
Pegmatitten ved Liverud og Gulliksrud ca. 5 km øst for Kongsberg, Øvre Eiker.
(NGU (211), Journal article, 1960)The pegmatites at Liverud and Gulliksrud ca. 5 kms E of Kongsberg, Øvre Eiker: A brief description of the pegmatites and their structural relationship to the adjacent banded gneisses is given. Some technical and economic ... -
Permeability development during hydrofracture propagation in layered reservoirs.
(NGU Bulletin (439), Journal article, 2002)Hydrofractures are generated by internal fluid overpressure and together with shear fractures, contribute significantly to the permeability of water, oil or magma reservoirs. We use boundary-element models to explore the ... -
Permian rocks and faulting in Sandsvær at the western margin of the Oslo region.
(NGU (300), Journal article, 1973)In the Sandvær area, a Permian quartz conglomerate and great thicknesses of both the B1-basalt and the rhomb porphyry RP2 are found above the Ringerike sandstone and the underlying Cambro-Silurian sediments. The younger ... -
Petrochemistry and origin of the Raudhamaren Ultramafites, Jotunheimen.
(NGU (300), Journal article, 1973)The ultramafites show gradual petrochemical variation and Mg\/Feratios indicative of crystallisation differentiation from stratiformtype mafic magma series. The country rocks with which they are inprimary association, ... -
Petrochemistry and palaegeographic setting of the Ordovician volcanic rocks of Smøla, Sentral Norway.
(NGU (359), Journal article, 1980)The Arenig-Llanvirn volcanic rocks of Smøla are distinctly calc-alkaline in their chemistry. The palaographic setting focuses attention on certain problems regarding lithostratigraphic correlation within the now fragmented ... -
Petrographic examination of Norwegian glaciofluvial aggregates: interpretation of mechanisms leading to high contents of cataclastic rocks
(NGU Bulletin (428), Journal article, 1995)Endel av artikkelen omhandler Verran og Mosvik i Nord-Trøndelag, kartblad 1622-I, Verran. Norwegian glaciofluvial aggregates have been examined microscopically and classified according to a newly established petrographic ...