Blar i Artikler på emneord "PROTEROZOIKUM"
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A possible basement to the Mesoproterozoic quartzites on Hardangervidda, South-Central Norway: zircon U-Pb geochronology of a migmatitic gneiss
(NGU Bulletin (437), Journal article, 2000)On Hardangrvidda west of the Mandal-Ustaoset fault zone in South Norway, some 80-90% of the crust consists of orthogneisses and foliated and massive granites in this plutonic environment the Mesoproterozoic quartzites of ... -
Building-stone resources in Eritrea: results from introductory work in the NGU-EGS co-operation programme
(NGU Bulletin (436), Journal article, 2000)Several building-stone quarries and prospects in Eritrea were visited during September 1998, as a part of the Norwegian.Eritrean ERINOR co-operation project. The bedrock geology of Eritrea comprises a variety of rocks, of ... -
Depositional environment and apparent age of the Fauske carbonate conglomerate, North Norwegian Caledonides.
(NGU Bulletin (436), Journal article, 2000)The Fauske conglomerate represents a rather rare case of a monomict carbonate conglomerate in the Late Neoproterozoic to Silurian, lithostratigraphic successions of the Norwegian Caledonides. Lithological varieties of this ... -
Planktonic, acid-resistant microfossils from Upper Proterozoic strata of the Barents Sea Region of Varanger Peninsula, East Finnmark, Northern Norway.
(NGU (382), Journal article, 1983)Planktonic, acid-resistent microfossils (acritarchs) occur in the Kongsfjord, Båsnæring and Båtsfjord Formations of the Barents Sea Group and in the Styret Formation of the Løkvikfjell Group. Two new taxa are described and ... -
Rutile in eclogites as a mineral resource in the Sunnfjord Region, Western Norway.
(NGU Bulletin (436), Journal article, 2000)The world's resources of the primary titanium raw materials ilmenite and rutile are very large. However, there is a lack of high-grade, high-quality ilmenite deposits as well as good rutile deposits. Particular focus has ... -
Sedimentology of the Upper Proterozoic glacial record, Vestertana Group, Finnmark, North Norway.
(NGU Bulletin (394), Journal article, 1984)Upper Proterozoic sediments in Finnmark show direct and indirect evidence for glaciation in four stratigraphic units at the base of the Vestertana Group: 1) the Smalfjord Formation, the first glacial episode. 2) the Nyborg ... -
The Caravarri Formation of the Kaukokeino Greenstone Belt, Finnmark, North Norway: a Palaeoproterozoic foreland basin succession.
(NGU Bulletin (442), Journal article, 2004)The Caravarri Formation is the youngest supracrustal unit in the Palaeoproterozoic Kautokeino Greenstone Belt of western Finnmark. This greenstone belt and correlative units at Alta farther north were formerly ascribed to ...