HIGHLIGHTS
- who: Makram Hedhli from the Geological Survey of Canada have published the article: Devonian to Carboniferous continental-scale carbonate turnover in Western Laurentia (North America): upwelling or climate cooling?, in the Journal: (JOURNAL)
- what: This study shows that carbonate platforms are more susceptible to regional changes than global shifts. From this study show a major positive u03b413Ccarb excursion in the Tournaisian (Gnathodus typicus biozone) with an amplitude of + 4u2030 V-PDB in the Pekisko Formation and + 4.1u2030 V-PDB in the Joana Limestone. u03b418Ocarb values show an overall parallelism with trends in u03b413Ccarb values . . .
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