A Note Concerning the Age of the Metamorphism of the Dalradian Rocks of Western Ireland
- 1 October 1961
- journal article
- research article
- Published by Cambridge University Press (CUP) in Geological Magazine
- Vol. 98 (5) , 399-405
- https://doi.org/10.1017/s0016756800060878
Abstract
Evidence is adduced to relate the published minimum absolute date of — 475 m.y., for the metamorphism of the Connemara Schists, to its correct position in the Lower Palaeozoic stratigraphy of Western Ireland. The metamorphism pre-dates the Didymograptus extensus zone of the Arenig in Connemara and South Mayo and an Upper Cambrian or Tremadocian age is considered likely.Keywords
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