Osmium-isotope evidence for volcanism across the Wuchiapingian–Changhsingian boundary interval
Abstract
Two negative carbon isotope excursions (3.5–6.5‰) across the Wuchiapingian-Changhsingian boundary (WCB) are observed globally (sections in China, Canada, and Iran); however, the causative mechanism of these excursions is debated. Here, high-resolution osmium isotope (187Os/188Os or Osi) chemostratigraphy of four globally correlated WCB sections (3 in China - Meishan, Shangsi and Lianyuan and 1 in Canada - Buchanan Lake) show two separate Osi...
Paper Details
Title
Osmium-isotope evidence for volcanism across the Wuchiapingian–Changhsingian boundary interval
Published Date
Dec 1, 2019
Journal
Volume
529
Pages
119313 - 119313
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