Chapter 69 The glacial succession of Sturtian age in South Australia: The Yudnamutana Subgroup

Wolfgang V. Preiss; Victor A. Gostin; David M. McKirdy; Paul M. Ashley; George E. Williams; Philip W. Schmidt

doi:10.1144/M36.69

Chapter 69 The glacial succession of Sturtian age in South Australia: The Yudnamutana Subgroup

Wolfgang V. Preiss^*, Victor A. Gostin, David M. McKirdy, Paul M. Ashley, George E. Williams, Philip W. Schmidt

^*Corresponding author for this work

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39 Citations (Scopus)

Abstract

The record of two Neoproterozoic glaciations in South Australia has been known for about a century. The earlier glaciation, of Sturtian age, is represented by the Yudnamutana Subgroup and is characterized by widespread diamictites with both intrabasinal and extrabasinal clasts, some locally faceted and striated. Associated facies include shallow-water sandstone, bedded and laminated siltstone with lonestones and dropstones, and sedimentary ironstones (mainly ferruginous siltstone and diamictite). Proximal settings adjacent to the Curnamona Province display massive basement-derived conglomerate and gigantic basement megaclasts (up to hundreds of metres across).

Original language	English
Pages (from-to)	701-712
Number of pages	12
Journal	Geological Society Memoir
Volume	36
Issue number	1
DOIs	https://doi.org/10.1144/M36.69
Publication status	Published - 1 Jan 2011

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Chapter 69 The glacial succession of Sturtian age in South Australia: The Yudnamutana Subgroup

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