An Australian Phanerozoic Timescale

PDF-file by Laurie Young

An Australian Phanerozoic Timescale PDF ebook download This book gives a new global perspective to the Phanerozoic timescale, by bringing together extensive Australian and overseas research on biostratigraphy, geochronology and magnetostratigraphy. For the first time, correlations are established between Australian and European biozonal schemes for the entire Phanerozoic, by integrating local and international biozones, isotopic ages, and magnetic polarity intervals. The compilation relies on tie points using tightly constrained isotopic and biostratigraphic ages. It is the first Phanerozoic scale whose time calibration is heavily weighted by modern application of isotopic dating of the 1980's and 1990's, especially variants of 40 Ar/39Ar and U/Pb zircon-dating, which have radically rescaled some parts of geologic time. An Australian Phanerozoic Timescale gives the essential framework for resource exploration, geologic modelling, and reconstruction of past environments and land-sea configurations during the last 545 million years of earth history.

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