Copper, zinc, chromium and osmium isotopic compositions of the Teplá-Barrandian unit black shales and implications for the composition and oxygenation of the Neoproterozoic-Cambrian ocean
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DOI: 10.1016/j.chemgeo.2019.05.013
Abstract: Abstract Two Neoproterozoic-Cambrian shale suites that consist of normal (NBS) and metal-rich (HMBS) black shales from the Tepla-Barrandian Unit, Bohemian Massif (Czech Republic) are studied in terms of their Cu, Zn, Cr and Re–Os isotopic… read more here.
Keywords: black shales; neoproterozoic cambrian; oxygenation neoproterozoic; isotopic ... See more keywords
Reconstruction of the Neoproterozoic–Cambrian Orogenesis in Princess Elisabeth Land (East Antarctica) from a Study of Granitic Rocks
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DOI: 10.1134/s0016852118040052
Abstract: Abundant Cambrian granitic rocks in Princess Elizabeth Land and adjacent regions of Antarctica occupy various positions (from syn- to postkinematic) in the structure of the crust. Their mineral and isotopic composition reflects both the character… read more here.
Keywords: neoproterozoic cambrian; princess; granitic rocks; elizabeth land ... See more keywords