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Chapter 69 The glacial succession of Sturtian age in South Australia: the Yudnamutana Subgroup - Photograph supplement

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Title: Chapter 69 The glacial succession of Sturtian age in South Australia: the Yudnamutana Subgroup - Photograph supplement
Author: Preiss, Wolfgang V.
Abstract: Companion photographs to the book chapter Preiss, Wolfgang V., Gostin, Victor A., McKirdy, David M., Ashley, Paul M., Williams, George E., and Schmidt, Philip W. 2011. “The glacial succession of Sturtian age in South Australia: the Yudnamutana Subgroup.” In: Arnaud, E., Halverson, G. P. and Shields-Zhou, G. (eds) The Geological Record of Neoproterozoic Glaciations. Geological Society, London, Memoirs, 36, 701-712.
URI: http://hdl.handle.net/10214/9441
Date: 2011
Rights Holder: The copyright of the photo rests with the author(s) of the chapter or, where stated, the person who took the photo.


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Ch69_Fig_1_Preiss.JPG 735.7Kb JPEG image Thumbnail Outcrop in Appila Gorge, South Australia, showing massive diamictite of Appila Tillite with steeply dipping tectonic cleavage but no small-scale bedding; largest clast is a felsic porphyry (Photo credit: Wolfgang Preiss).
Ch69_Fig_2_Preiss.JPG 636.8Kb JPEG image Thumbnail Outcrop in Bimbowrie Conservation Park, South Australia, showing cross-bedding in shallow-water coarse-grained sandstone, possibly fluvioglacial outwash, that interfingers with Benda Siltstone (Photo credit: Wolfgang Preiss).
Ch69_Fig_3_Preiss.JPG 720.3Kb JPEG image Thumbnail Outcrop in Bimbowrie Conservation Park, South Australia, showing dropstone in thinly bedded Benda Siltstone (Photo credit: Wolfgang Preiss).
Ch69_Fig_4_Preiss.JPG 694.1Kb JPEG image Thumbnail Distant view to northwest along the MacDonald Corridor, a tilted Sturtian half-graben adjacent to outcropping basement of the Curnamona Province; Bimbowrie Conservation Park, South Australia. Middle distance shows southern tip of a kilometre-long megaclast of granite within Benda Siltstone. Foreground shows magnetite-rich ironstone (Braemar ironstone facies of the Benda Siltstone), an originally haematitic siltstone metamorphosed to upper greenschist facies (Photo credit: Wolfgang Preiss).
Ch69_Fig_5_Preiss.JPG 727.8Kb JPEG image Thumbnail Outcrop in Bimbowrie Conservation Park, South Australia, showing small-scale interfingering of conglomerate, grit, sandstone and siltstone that mimics the interfingering seen at map scale. Conglomerate in the MacDonald Corridor is an extremely proximal facies deposited adjacent to active extensional faults during the Sturt glaciation (Photo credit: Wolfgang Preiss).

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