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The Portland-Purbeck junction (Portlandian-Berriasian) in the Weald, and correlation of latest Jurassic-early Cretaceous rocks in southern England
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- Journal:
- Geological Magazine / Volume 120 / Issue 3 / May 1983
- Published online by Cambridge University Press:
- 01 May 2009, pp. 267-280
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Cambrian–Ordovician boundary age and duration of the lowest Ordovician Tremadoc Series based on U–Pb zircon dates from Avalonian Wales
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- Journal:
- Geological Magazine / Volume 137 / Issue 5 / September 2000
- Published online by Cambridge University Press:
- 21 November 2000, pp. 485-494
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