The age and stratigraphy of the Sholeshook Limestone of Southwest Wales
作者:
D. Price,
期刊:
Geological Journal
(WILEY Available online 1973)
卷期:
Volume 8,
issue 2
页码: 225-246
ISSN:0072-1050
年代: 1973
DOI:10.1002/gj.3350080204
出版商: John Wiley&Sons Ltd
数据来源: WILEY
摘要:
AbstractLocal developments of the Upper Ordovician Sholeshook Limestone are briefly described and inter‐correlated on the basis of their trilobite faunas. The base of the formation is diachronous and overlies the Mydrim Shales unconformably. The base of the normally succeeding Slade and Redhill Mudstones is also diachronous and to the north and west of Haverfordwest this formation contains strata laterally equivalent to the main part of the Sholeshook Limestone.It is suggested that the Sholeshook Limestone falls within the Cautleyan Stage of the Ashgill Series. This extends the range of several trilobite species normally regarded as Middle Ashgill (Rawtheyan) indice
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