Metamorphism
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Organic carbon, bulk nitrogen isotope and bulk sulfur isotope and abundance data and metal abundance data from metapelites of the 3.7Ga Isua Supracrustal Belt. For more details, see Stüeken, E.E., Boocock, T., Szilas, K., Mikhail, S. and Gardiner, N.J., 2021. Reconstructing nitrogen sources to Earth’s earliest biosphere at 3.7 Ga. Frontiers in Earth Science, 9, p.675726.
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The data include:- sample description file: sample full names, site, hole, depth etc., a quick petrographic description of the sample and the embedding serpentinite mud, and information regarding sample selection for bulk rock chemistry - microprobe analyses of selected samples - bulk rock major and trace elements from 2 labs (SARM, Nancy and VUB, Brussels) - Oxygen Isotopes of both pore fluids and rock samples with estimated temperature equilibrium
NERC Data Catalogue Service