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Paramoudras, paramoudra flints, pot stones or potstones are flint nodules found mainly in parts of north-west Europe: Norfolk (United Kingdom), Ireland, Denmark, Spain and Germany. In Norfolk they are known as pot stones and can be found on the beach below Beeston Bump just outside Beeston Regis. In Ireland they are known as paramoudras. The term paramoudras was first used by Buckland in 1817 and is a corruption of a Gaelic name, probably padhramoudras "ugly Paddies" or peura muireach "sea pears".[1]
| Sedimentary rock | |
 Paramoudra on chalk outcrop, Norfolk, England. | |
| Composition | |
|---|---|
| Flint, a type of silica, (chemical formula Si02) |
Pot stones are flint nodules with a hollow center and have the appearance of a doughnut (torus). They can be found in columns resembling a backbone.
These flints are trace fossils of the burrows of an organism otherwise unknown except for these relics sometimes referred to as Bathicnus paramoudrae.[2][3]
Notes
edit- ^ Driscoll, Killian. "Returning to the source investigating flaked stone tool raw material procurement strategies prehistoric Ireland". lithicsireland.ie. Retrieved 8 April 2017.
- ^ Chalk: proceedings of the International Chalk Symposium held at Brighton Polytechnic on 4-7 September 1989, Volume 1989. Thomas Telford. 1990. p. 135. ISBN 978-0-7277-1541-8.
- ^ Mortimer, R N; B Pomerol (1987). "Correlation of the Upper Cretaceous White Chalk (Turonian to Campanian) in the Anglo-Paris Basin". Proceedings of the Geologists' Association. 98 (2): 97–143. Bibcode:1987PrGA...98...97M. doi:10.1016/s0016-7878(87)80001-9.
External links
edit
- geograph.org.uk Paramoudra on chalk outcrop
- Aranzadi Science Society - Sociedad de Ciencias Aranzadi Paramoudras en arenisca de la Formación Jaizkibel
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