Browsing Det matematisk-naturvitenskapelige fakultet by Author "Austrheim, Håkon Olaf"
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Petley-Ragan, Arianne Juliette; Ben-Zion, Yehuda; Austrheim, Håkon Olaf; Ildefonse, Benoit; Renard, Francois; Jamtveit, Bjørn (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)Earthquakes in the continental crust commonly occur in the upper 15 to 20 km. Recent studies demonstrate that earthquakes also occur in the lower crust of collision zones and play a key role in metamorphic processes that ...
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Austrheim, Håkon Olaf; Corfu, Fernando; Renggli, Christian J. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)Abstract Extensive carbonation of peridotite results in listvenite, a rock composed of magnesite and quartz. At Gråberget, Røros, SE-Norway, a variably serpentinized peridotite body, surrounded by the Røros schists, a ...
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Austrheim, Håkon Olaf; Engvik, Ane; Ganerød, Morgan; Dunkel, Kristina G; Velo, Mari Roen (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)The Kongsberg and Bamble lithotectonic domains of SE-Norway are known as classical Precambrian high-grade metamorphic terrains. The area has undergone extensive metasomatism with formation of albitites and scapolite-rich ...
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Jung, Sejin; Jung, Haemyeong; Austrheim, Håkon Olaf (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)The microstructure of amphibole peridotites from Åheim, Norway were analyzed to understand the evolution of the lattice-preferred orientation (LPO) of olivine throughout the Scandian Orogeny and its implication for the ...
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Dunkel, Kristina G; Jamtveit, Bjørn; Austrheim, Håkon Olaf (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)The carbonation of ultramafic rocks is a common alteration process in ophiolites and can occur in various settings. We provide the first detailed description of the carbonated peridotites (ophicarbonates) of the Feragen ...