GEOLOGICAL TIMESCALE
Shown below is a representation of the rocks underlying the Tees Valley and Darlington districts in Northeast England. The diagram depicts the relative thickness of the different systems. Absolute ages are given alongside. Click on the different areas to view more details about a particular time period.
Geological column showing the relative thickness and absolute [...]
Rocks of Jurassic age crop out exclusively south of the River Tees, with both Lower and Middle Jurassic successions well represented. The rocks indicate an episode of marine sedimentation, represented by the Lias Group, followed by alternating cycles of deltaic and marine sedimentation represented by the overlying Ravenscar Group.
Marker on the Cleveland Way east of [...]
Grid Reference NZ 655 132
BGS Sheet 34
OS Sheet 94
Forwarded as RIGS
Site Description
Site Status SNCI
Description of Geodiversity Upland stream-side escarpment revealing deltaic sandstones specifically the Moor Grit member of the Scalby formation
Literature References
Site Map
Site Assessment
Access and Safety
Comments
Rating
Safety of access
Along designated footpath
10
Safety of exposure
Steep slopes obscured by vegetation
5
Restricting conditions
Vegetation growth in summer [...]
Grid Reference NZ 690 127
BGS Sheet 34
OS Sheet 94
Forwarded as RIGS 30/09/2003
View of Freebrough Hill from the lay-by on the A171.
Site Description
Site Status
Description of Geodiversity: An outlier of nearby Moorsholm Rigg to the south with its summit reaching to 250m above sea level and 50m above the surrounding moorland. Freebrough Hill [...]
Grid Reference NZ 672 157
BGS Sheet 34
OS Sheet 94
Forwarded as RIGS 30/09/2003
Site Description
Site Status
Description of Geodiversity Disused quarry revealing exposure of the Scalby formation specifically the Long Nab member
Literature References
Site Map
Site Assessment
Access and Safety
Comments
Rating
Safety of access
Via footpath from Stanghow Ridge. Only approach from the North
10
Safety of exposure
Steep entrance and poor [...]