This page provides a glossary of geological terms to be found on the TVRIGS website and elsewhere. It is an evolving document and will grow as the site expands.
T
Triassic
Named (by von Humbodt, 1795) from a three-fold division (red-beds, chalk and black shales) which occurs in Germany. [...]
Whinstone is a quarryman’s term for a variety of hard, dark-coloured, rocks including basalt and chert. Here, in the Tees Valley and Cleveland, the name refers to a hard rock that is very different from the soft sedimentary strata which make up the majority of the area’s underlying geology.
Around 58 million years ago, as [...]
Introduction
The Tertiary Period began 65 million years ago with fire, and ended a little over 2.5 million years ago in ice. It opened with a meteorite, around 10km across, slamming into the Earth with unimaginable force at the Chicxulub impact site close to Mexico. This catastrophic event marks the close [...]