The Triassic Timescale

The Triassic Timescale

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The Mesozoic Era begins with the approximately 50-million-year-long Triassic Period, a major juncture in Earth history when the vast Pangaean supercontinent completed its assembly and began its fragmentation, and the global biota diversified and modern-ized after the end-Permian mass extinction, the most extensive biotic decimation of the Phanerozoic. The temporal ordering of geological and biotic events during Triassic time thus is critical to the interpretation of some unique and pivotal events in Earth his-tory. This temporal ordering is mostly based on the Triassic time-scale, which has been developed and refined for nearly two centu-ries. This book reviews the state of the art of the Triassic timescale and includes comprehensive analyses of Triassic radio-isotopic ages, magnetostratigraphy, isotope-based and cyclostratigraphic correlations and timescale -relevant marine and non-marine bio-stratigraphy.Instead, I follow arguments articulated by Kozur aamp; Weems (2005, 2007, 2010) and Lucas (20106) that the nonmarine ... Clearly, there are problems reconciling the radioisotopic age data, magnetostratigraphy and biostratigraphy across theanbsp;...

Title:The Triassic Timescale
Author: Spencer G. Lucas
Publisher:Geological Society of London - 2010

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