Abbey Shale
Name

92998
Province: North-west suburbs of Nuneaton, extending north-westwards to the southern suburbs of Atherstone (SP3530 9180 - SP3063 9712).
Geologic Age: Cambrian Series 3
Other: Mudstone with subsidiary limestone and sandstone. Stratified bedrock. Occurs onshore. Deposited during the St David's Series (Cambrian Period) (508-499 Ma BP). Dark grey, greenish or blueish black mudstones with thin beds of limestone and glauconitic sandstone. Locally with phosphate, pyrite and siderite nodules. 10-40 m. 109 feet (33.2m) minimum in reference section. Not penetrated in the borehole. Base gradational with Purley Shale Formation in partial type section. A stratigraphical discontinuity. Upper dark phosphatic mudstone bed is sharply overlain by basal pebble conglomerate of Mancetter Formation.
Usage: Current name