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Proceedings 18

Summary of papers

Rosenbaum, M.S. and Torrens, H.S. (2017). “a farmer”: an early scientific explanation of continental drift. p.1-4.

The anonymous review in British Critic (1804) indicated that the book by “a farmer” included a detailed description of Whitcliffe, the common land facing Ludlow and site of quarrying for building stone since medieval times (Torrens, 2008). After many years of searching, a single copy has been located, in Edinburgh. Not only does the original indicates an extant interest in the geology of South Shropshire by the beginning of the 19th Century, some 30 years before Murchison’s first visit, but also provides an early scientific explanation of continental drift.

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Farmer, A. (1802 and 2017). Thoughts on the Formation of the Earth. p.5-52.

Thoughts on the Formation of the Earth. Printed for the author by P. Sandford, bookseller, Shrewsbury and sold by Messrs Richardson, Royal Exchange, London, 28 pp.. and reproduced in facsimile in the Proceedings of the Shropshire Geological Society, 18, 5-52 (2017). The text is appended as an OCR file to facilitate word searches.

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Tromans, D. (2017). A palaeoenvironmental reconstruction of the Late Devensian sediments at Bromfield Quarry, Shropshire. p.53-60.

Bromfield Sand and Gravel is a working quarry extracting a series of Devensian glacial outwash sediments. This study provides an insight into the origin, transportation and depositional environments of these glacial outwash sediments. It is believed that the sediments at Bromfield were derived from the Welsh and Irish Glacial Ice Sheets, from the west and north respectively, transported through the Onny and Stretton valleys via high energy glacial meltwater river systems, to be deposited at Bromfield.

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Rogers, S.L. (2017). The occurrence of seismites in the Upper Silurian Whitcliffe Formation of the old Whitcliffe quarry, Ludlow. p.61-73.

Sediments exposed in the old Whitcliffe quarry west of Ludford Bridge, Ludlow are micaceous, calcareous siltstones representing a transition from shallow marine to terrestrial environments. Two deformed beds (20 cm and 40 cm thick) are exposed, sandwiched between layers of undeformed siltstone. These are believed to be syndepositional features and are interpreted, by excluding all other possible triggering mechanisms, as seismites. Deformation takes the form of load casting (simple and pendulous), thixotropic bowls and some convolute bedding. Orientations of convolute slumping are near vertical and no direction of slumping can be inferred.

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Rogers, S.L., Blackburn, J.A. & Price, D.R. (2017). A new observation of Ovummuridae, from the mid-Silurian (Wenlock) strata of Wenlock Edge, Shropshire, UK: A preliminary report. p.74-79.

Calcareous microfossils belonging to the family Ovummuridae Munnecke, Servais and Vachard, 2000, are described for the first time from the Silurian strata of Wenlock Edge, Shropshire, UK. This occurrence increases the known palaeogeographical range of the Ovummuridae from the Silurian. The presence of these calcareous microfossils highlights the exceptional level of fossil preservation within the Wenlock Edge Limestone Formation, and may provide insights into the diagenetic history of the formation.

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Complete volume, p.1-79

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To cite an article from this publication:

Rosenbaum, M.S. and Torrens, H.S. (2017). “a farmer”: an early scientific explanation of continental drift. Proceedings of the Shropshire Geological Society, 18, 1-4. ISSN 1750-855X (Print), ISSN 1750-8568 (Online) [Online at www.shropshiregeology.org.uk/Proceedings; printed copy in press]

© 2017 Shropshire Geological Society

Proceedings No 18 2017