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 [...]
Welcome to the Tees Valley RIGS Group Website.
The place for you to find out more about the geology and industrial heritage of Redcar & Cleveland, Middlesbrough,
Stockton, Hartlepool and Darlington.
Alum, Alchemy and Ammonites Page
Future Events Page
Past Events Page
Why not check out our new site description pages and geo-trails
Boulby – Cowbar Hummersea Loftus [...]
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 [...]
Grid Reference NZ 465 146
BGS Sheet 33
OS Sheet 93
Forwarded as RIGS 30/09/2003
Site Description
Site Status SNCI
Description of Geodiversity Stream bed exposure of the Cleveland Dyke
Literature References
Site Map
Site Assessment
Access and Safety
Comments
Rating
Safety of access
On footpath from industrial estate
10
Safety of exposure
On opposite riverbank footpath
10
Restricting conditions
High flow episodes obscure exposure
6
Multiple exposure
Mercia mudstone exposure downstream
7
Note
It is strongly [...]