Magnesian Conglomerate

The Magnesian Conglomerate is a geological formation in Clifton, Bristol in England (originally Avon). It dates back to the Rhaetian stage of the Late Triassic.[1][2] This formation was first studied in 1836 by Henry Riley and Samuel Stutchbury.[3]

Magnesian Conglomerate
Stratigraphic range: Rhaetian
~208–202 Ma
TypeGeological formation
Lithology
PrimaryBreccia
OtherLimestone
Location
Coordinates51.5°N 2.6°W / 51.5; -2.6
Approximate paleocoordinates35.9°N 0.8°E / 35.9; 0.8
RegionSouth West England
Country England
ExtentBristol
Type section
Named byHenry Riley & Samuel Stutchbury
Year defined1836
Magnesian Conglomerate (England)

The Avon Fissure Fill is probably the same formation as the Magnesian Conglomerate.

Vertebrate paleofauna

Archosaurs
Archosaurs of the Magnesian Conglomerate
TaxaPresenceNotesImages
Genus:
  1. Asylosaurus yalensis[2]
Genus:
  1. Palaeosaurus cylindrodon[2]
Genus:
  1. Thecodontosaurus antiquus[2]
  2. Thecodontosaurus sp.[2]
Suborder:
  1. Indeterminate remains.[2]

Fish

See also

References
  1. Magnesian Conglomerate in the Paleobiology Database
  2. Weishampel et al., 2004, pp. 521–525
  3. Riley & Stutchbury, 1836
  4. Durdham Down, Quarry Steps in the Paleobiology Database
  5. Foffa et al., 2014

Bibliography
  • Foffa, D.; D. I. Whiteside; P. A. Viegas, and M. J. Benton. 2014. Vertebrates from the Late Triassic Thecodontosaurus-bearing rocks of Durdham Down, Clifton (Bristol, UK). Proceedings of the Geologists' Association 125. 317–332.
  • Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2
  • Riley, H., and S. Stutchbury. 1836. A description of various fossil remains of three distinct saurian animals discovered in the autumn of 1834 in the Magnesian Conglomerate on Durdham Down near Bristol. Proceedings of the Geological Society 2. 397–399.

Further reading
  • Riley, H. and Stutchbury, S. 1840. A description of various fossil remains of three distinct saurian animals recently discovered in the Magnesian Conglomerate near Bristol Transactions of the Geological Society of London 5, 349–357
  • W. Buckland. 1824. Reliquiæ Diluvianæ; or, Observations on the Organic Remains Contained in Caves, Fissures, and Diluvial Gravel, and on Other Geological Phenomena, Attesting the Action of an Universal Deluge. Second Edition. John Murray, London 1-303
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