Fossils explained 78: Never bored by borings

The coastal town of Margate in north Kent, south-east England, is geologically well known, with extensive cliffs of chalk with locally common Upper Cretaceous fossils. But to the ichnologist the modern beach is at least as fascinating, with a trinity of borings in chalk clasts and mollusc shells posing interesting questions relevant to palaeoecology and taphonomy.