This blog focuses upon stylolites which are structures that either form during burial or by later tectonic movements and have a serrated appearance on rock surfaces.
Mudstones can be extensively fractured - this blog looks at some characteristics of fractures inlcuding connected networks and plumose structures in the Cromlix Mudstone, near Stanley, Perthshire, UK.
Here we present an integrated characterisation of a fault zone in mudstones (from the Valhall Field, Central N Sea) using log and core data from a single well.
Pink (Devonian age) mudstones on the bank of the River Tay (Perthshire, UK) are intensively fractured - including joints and larger through going fractures Here we look at some of their characteristics including some splaying geometries.