Search Results - "Bjorkum, Per Arne"

How important is pressure in causing dissolution of quartz in sandstones? by Bjorkum, Per Arne

“…Textural observation of quartz dissolution at mica-quartz interfaces in sandstones from the Norwegian continental shelf show that mica grains have penetrated…”
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The effect of stylolite spacing on quartz cementation in the Lower Jurassic Sto Formation, southern Barents Sea by Walderhaug, Olav, Bjorkum, Per Arne

“…The shallow marine Lower Jurassic quartz arenites of the Sto Formation in the southern Barents Sea comprise (1) intervals where dispersed detrital clay is…”
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Kaolin-coating of stylolites, effect on quartz cementation and general implications for dissolution at mineral interfaces by Walderhaug, Olav, Bjorkum, Per Arne, Aase, Nils Einar

“…The deeply buried (4 km, 160°C) quartz-rich sandstones of the Middle Jurassic Garn Formation in well 6507/7-1 offshore mid-Norway typically contain 20-30%…”
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Making diagenesis obey thermodynamics and kinetics: the case of quartz cementation in sandstones from offshore mid-Norway by Oelkers, Eric H., Bjørkum, Per Arne, Walderhaug, Olav, Nadeau, Paul H., Murphy, William M.

“…Calculation of the quantity and distribution of quartz cement as a function of time and temperature/depth in quartzose sandstones is performed using a coupled…”
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An Isochemical Model for Formation of Authigenic Kaolinite, K-Feldspar and Illite in Sediments by Per Arne Bjorkum, Norvald Gjelsvik

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An analysis of the roles of stress, temperature, and pH in chemical compaction of sandstones @discussion and reply by Walderhaug, Olav, Oelkers, Eric H, Bjorkum, Per Arne, Sheldon, Heather A, Wheeler, John, Worden, Richard H, Cheadle, Michael J

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A model for the effect of illitization on porosity and quartz cementation of sandstones by Bjorkum, P. A., Walderhaug, O., Aase, N. E.

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An Analysis of the Roles of Stress, Temperature, and pH in Chemical Compaction of Sandstones: Discussion by Walderhaug, O., Oelkers, E. H., Bjorkum, P. A.

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Seismic detection of shallow high pore pressure zones by Hovland, Martin, Loseth, Helge, Bjorkum, Per Arne, Wensaas, Lars, Arntsen, Borge

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