Browsing Naturhistorisk museum by Author "Nakrem, Hans Arne"
Now showing items 1-6 of 6
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Kleppe, Katarina Skagestad; Nakrem, Hans Arne; Stouge, Svend (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)Nine samples from the Alum Shale of Slemmestad, Oslo Region, were processed for conodonts. The limestone-rich interval extending from the mid Cambrian Paradoxides paradoxissimus trilobite Zone to the Lower Ordovician ...
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Hjalmarsdottir, Hanna Rosa; Nakrem, Hans Arne; Nagy, Jenø (Journal article / Tidsskriftartikkel / SubmittedVersion, 2018)Five hydrocarbon seep carbonate structures in the upper part of the Slottsmøya Member (Agardhfjellet Formation) in central Spitsbergen have been sampled and processed for foraminifera. The carbonates have been found to ...
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Erikstad, Lars; Nakrem, Hans Arne; Markussen, J.A. (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)The Oslo area has a rich geodiversity, a long history of scientific investigations, and several protected geosites. Many of the protected geosites were protected some 30 years ago and have until recently not been followed ...
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Hansen, Bitten Bolvig; Hammer, Øyvind; Nakrem, Hans Arne (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)We report on a newly excavated Spathian (Lower Triassic) bonebed on Marmierfjellet, Central Spitsbergen. The bonebed contains a varied material of bones and teeth from marine vertebrates along with conodont elements. The ...
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Hurum, Jørn Harald; Engelschiøn, Victoria Sjøholt; Økland, Inghild Halvorsen; Bratvold, Janne; Ekeheien, Christina; Roberts, Aubrey Jane; Delsett, Lene Liebe; Hansen, Bitten Bolvig; Mørk, Atle; Nakrem, Hans Arne; Druckenmiller, Patrick Scott; Hammer, Øyvind (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)The palaeontology of the Lower to Middle Triassic succession in Spitsbergen has been studied for more than a century and a half. Our ability to properly interpret the evolutionary and ecological implications of the faunas ...
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Gyøry, Emil; Hammer, Øyvind; Jorde, Knut; Nakrem, Hans Arne; Swajda, Michael; Domeier, Mathew (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)The possible macrofossil Telemarkites enigmaticus from the Mesoproterozoic Gjuve Formation, Telemark supracrustals, southern Norway, was described by Dons in 1959. We here present finds of similar, but larger structures ...