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Chapter 47 The Bebedouro Formation, Una Group, Bahia (Brazil) - Photograph supplement

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Title: Chapter 47 The Bebedouro Formation, Una Group, Bahia (Brazil) - Photograph supplement
Author: Guimarães, José T.; Misi, Aroldo
Abstract: Companion photographs to the book chapter Guimarães, J. T., Misi, A., Pedreira, A. J., and Dominguez, J. M. L. 2011. “The Bebedouro Formation, Una Group, Bahia (Brazil)". In: Arnaud, E., Halverson, G. P. and Shields-Zhou, G. (eds) The Geological Record of Neoproterozoic Glaciations. Geological Society, London, Memoirs, 36, 503-508.
URI: http://hdl.handle.net/10214/9432
Date: 2011


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Ch47_Photo_1_Misi.jpg 92.78Kb JPEG image Thumbnail Cap dolostone, Unit C, Una Group, Irecê sub-basin. Max. thickness of 70m, above diamictites of the Bebedouro Fm.. 12 samples collected along a stratigraphic profile of this outcrop showed δ13C negative shifts varying from - 3 to – 6.4‰ VPDB (Torquato & Misi, 1977) (Photo credit: Aroldo Misi).
Ch47_Photo_2_Misi.jpg 1.108Mb JPEG image Thumbnail Contact of cap dolostone with diamictites of the Bebedouro Fm., Una Group, Salitre sub-basin. Max. thickness of 10m in this outcrop. 09 samples (collected along a stratigraphic profile) were analyzed for δ13C, giving consistent negative shifts around - 5‰ VPDB (Photo credit: Aroldo Misi).
Ch47_Photo_3_Guimarães.jpg 1.351Mb JPEG image Thumbnail Dropstone, Bebedouro Fm., Una Group, Irecê sub-basin. Clasts of granite within medium to fine grained metassediments (Photo credit: José T. Guimarães).
Ch47_Photo_4_Guimarães.jpg 269.2Kb JPEG image Thumbnail Dropstone, Bebedouro Fm., Una Group, Irecê sub-basin. Clasts of quartzites within fine grained metassediments (Photo credit: José T. Guimarães).
Ch47_Photo_5_Misi.jpg 71.59Kb JPEG image Thumbnail Clasts of meta-ultramafic and granite-gneiss rocks within a greywacke matrix, Bebedouro Fm., Una Group, Salitre sub-basin (Photo credit: Aroldo Misi).

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