Concretions in sandstones of the Inner Hebrides, Scotland

Mark Wilkinson (UK). Concretions are a common feature in many sedimentary rocks, yet they seem sometimes to be misunderstood. So, how do concretions form? As well-studied examples, let’s look at the ones found in some of the sandstones of the Scottish Inner Hebrides, notably the islands of Eigg and Skye.… … Read More

Fulletby brickyard: A classic locality in the Upper Jurassic Kimmeridge Clay Formation, Lincolnshire

John P Green (UK). The Upper Jurassic Kimmeridge Clay Formation in Lincolnshire crops out along the western edge of the Lincolnshire Wolds scarp (Swinnerton and Kent, 1981) and many years ago was formerly exposed in many small workings that exploited the Lower and Upper Kimmeridge Clay Formation for brickmaking. The… … Read More

Carbonate platforms and coral reefs: The Coralline Oolite Formation of the Yorkshire Upper Jurassic – a prime source of palaeontological information

Keith Eastwood (UK). The Malton Oolite Member of the Coralline Oolite Formation (Corallian Group), as exposed in the Betton Farm South Quarry (TA00158555) at East Ayton, near Scarborough (Fig. 1), provides a wealth of fascinating palaeontological and sedimentological information. Examination of outcrops within this small quarry enables the geologist to… … Read More

Geology and fossil fauna of the South Ferriby foreshore

John P Green (UK). The large working quarry at South Ferriby, North Lincolnshire (SE991204) is a well known and productive source of Late Jurassic and Cretaceous fossils, exposing beds from the Upper Oxfordian stage, Upper Jurassic (Ampthill clay, Ringsteadia psuedocordata zone) to the Terebratulina lata zone of the Turonian stage … Read More