The age and stratigraphy of the Sholeshook Limestone of Southwest Wales
Geological Journal1973Vol. 8(2), pp. 225–246
Citations Over TimeTop 24% of 1973 papers
Abstract
Abstract Local 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) indices.
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