Browsing Department of Earth Science by Subject "Upper triassic"
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Palynological dating of the upper part of the De Geerdalen Formation on central parts of Spitsbergen and Hopen (Master thesis, 2013-05-31)The Late Triassic is the most problematic period in terms of resolution and age control. The period spans about 36 million years and consists of three stages - Carnian, Norian and Rhaetian. Only four clusters of radiometric ...