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Chapter 43 The Squantum Member of the Boston Basin, Massachusetts, USA - Photograph supplement

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Title: Chapter 43 The Squantum Member of the Boston Basin, Massachusetts, USA - Photograph supplement
Author: Carto, Shannon L.; Eyles, Nick
Abstract: Companion photographs to the book chapter Carto, Shannon L. and Eyles, Nick. 2011. “The Squantum Member of the Boston Basin, Massachusetts, USA.” In: Arnaud, E., Halverson, G. P. and Shields-Zhou, G. (eds) The Geological Record of Neoproterozoic Glaciations. Geological Society, London, Memoirs, 36, 475-480.
URI: http://hdl.handle.net/10214/9429
Date: 2011


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Ch43_Fig_1a_Carto_and_Eyles.jpg 4.524Mb JPEG image Thumbnail Typical appearance of ‘partially mixed’ heterogeneous diamictites of the Squantum Member at Squantum Head (type locality). (A) and (B) Heterogeneous diamictite showing chaotically mixed clast-supported conglomerate with deformed muddy siltstone (Photo credit: Carto and Eyles).
Ch43_Fig_1b_Carto_and_Eyles.jpg 2.559Mb JPEG image Thumbnail Typical appearance of ‘partially mixed’ heterogeneous diamictites of the Squantum Member at Squantum Head (type locality). (A) and (B) Heterogeneous diamictite showing chaotically mixed clast-supported conglomerate with deformed muddy siltstone (Photo credit: Carto and Eyles).
Ch43_Fig_2_Carto_and_Eyles.jpg 4.843Mb JPEG image Thumbnail Matrix-supported diamictite showing downward bending slump structure of clast-rich diamictite at Squantum Head (Photo credit: Carto and Eyles)..
Ch43_Fig_3_Carto_and_Eyles.jpg 5.709Mb JPEG image Thumbnail Typical appearance of ‘fully mixed’ homogeneous matrix-supported diamictites of the Squantum Member (Photo credit: Carto and Eyles).
Ch43_Fig_4a_Carto_and_Eyles.jpg 3.647Mb JPEG image Thumbnail Laminated argillites at Squantum Head. Much discussion has focused on outsized clasts within these thinly laminated rocks and their climatic significance as dropstones (Photo credit: Carto and Eyles).
Ch43_Fig_4b_Carto_and_Eyles.jpg 93.11Kb JPEG image Thumbnail Cut slab of laminated argillites containing outsized clasts. Length of slab is 20 cm; stratigraphic top to left (Photo credit: Carto and Eyles).
Ch43_Fig_5_Carto_and_Eyles.jpg 4.259Mb JPEG image Thumbnail Beds of reworked lapilli tuff (dark grey coloured coarse-grained beds) within a succession of laminated, normally graded argillite (purple-grey coloured laminated rocks) exposed along the southeast coast of Squantum Head (Photo credit: Carto and Eyles).
Ch43_Fig_6_Carto_and_Eyles.jpg 3.181Mb JPEG image Thumbnail Matrix-supported conglomerate exposed at World’s End Reservation Park, Hingham (Photo credit: Carto and Eyles).

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