A shelly fauna from the Snowdon volcanic series at Twll Ddu, Caernarvonshire
作者:
W. T. Dean,
期刊:
Geological Journal
(WILEY Available online 1965)
卷期:
Volume 4,
issue 2
页码: 301-314
ISSN:0072-1050
年代: 1965
DOI:10.1002/gj.3350040206
出版商: John Wiley&Sons Ltd
数据来源: WILEY
摘要:
AbstractTrilobites and brachiopods are described and figured from the Caradoc Series of the Twll Ddu district, northeast of Snowdon. They indicate a Longvillian age for the Banded Pumice Tuffs of the Bedded Pyroclastic Series, and exhibit affinities with corresponding faunas in South Shropshire as well as other parts of North Wales and Northern England.
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