Gorstian

In the geologic timescale, the Gorstian is an age of the Ludlow Epoch of the Silurian Period of the Paleozoic Era of the Phanerozoic Eon that is comprehended between 426.7 ± 1.5 Ma and 425.0 ± 1.5 Ma, approximately. The Gorstian Age succeeds the Homerian Age and precedes the Ludfordian Age. The age is named after Gorsty village southwest of Ludlow. The base of the age is marked by Saetograptus varians. The type section is located in a quarry in the Elton Formation at Pitch Coppice, Shropshire, United Kingdom.