1. Geochemistry of Archean–Paleoproterozoic Black Shales: The Early Evolution of the Atmosphere, Oceans, and Biosphere Open Access Author: Yamaguchi, Kosei Title: Geochemistry of Archean–Paleoproterozoic Black Shales: The Early Evolution of the Atmosphere, Oceans, and Biosphere Graduate Program: Geosciences Keywords: N2 fixationCarbonPhotosynthesisSulfurSulfate reductionStable IsotopesProterozoicContinental CrustBlack ShalesPaleoproterozoicAnoxicPilbaraHamersleyIronAustraliaNitrogenArcheanOxicPyriteThoriumNitrificationDenitrificationUraniumMolybdenumMethanogenesisGriqualand WestWitwatersrandBarbertonSouth Africa File: Download Kosei.pdf Committee Members: Lee Kump, Committee MemberRaymond Gabriel Najjar Jr., Committee MemberHiroshi Ohmoto, Committee Chair/Co-ChairMichael Allan Arthur, Committee Member
