Blar i forfatter Mastergradsoppgaver i geologi "Tennvassås, Ingrid"
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Characterisation of palaeosols in the Lower Cretaceous Helvetiafjellet Formation, Svalbard. Palaeo-climatic implications
Tennvassås, Ingrid (Master thesis; Mastergradsoppgave, 2018-05-15)Although the Cretaceous period is known to have been dominated by greenhouse conditions, the Early Cretaceous climatic conditions in Svalbard have been under some debate. Both indicators of warm climate such as coal seams, Ornithopod tracks and warm-water dinoflagellates, and indicators of cold climate such as arctic belemnites, glendonites and ice rafted debris have been reported. This study ...