Precambrian Research 278 (2016) 362–393 Contents lists available at ScienceDirect Precambrian Research journal homepage: www.elsevier.com/locate/precamres Detrital zircon constraints on the tectonostratigraphy of the Paleoproterozoic Pretoria Group, South Africa a,⇑ b c Stefan Schröder , Nicholas J. Beukes , Richard A. Armstrong Basin Studies and Petroleum Geoscience, School of Earth, Atmospheric and Environmental Sciences, University of Manchester, Manchester M13 9PL, United Kingdom Department of Geology, University of Johannesburg, Auckland Park 2006, South Africa Australian National University, Canberra 2601, Australia ar ti c l e i nf o ab stra ct Article history: Absolute age constraints are a key requirement to understand links between global tectonics, sedimen- Received 20 August 2015 tation and changing surface environments in the Neoarchean and Paleoproterozoic, in particular oxy- Revised 6 March 2016 genation of the ocean–atmosphere system (the Great Oxidation Event, GOE) or increased carbon burial Accepted 19 March 2016 during the Lomagundi d C excursion. This paper presents new detrital zircon U–Pb dates from the 2.4 Available online 25 March 2016 to 2.1 Ga Pretoria Group (Transvaal Supergroup, South Africa), a clastic-dominated succession spanning surface oxidation and the d C excursion. Zircon ages cover all major igneous source terrains on the Keywords: Kaapvaal craton
Precambrian Research – Elsevier
Published: Jun 1, 2016
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