Grid Reference NZ 471 371
BGS Sheet 27
OS Sheet 93
Forwarded as RIGS 30/09/2003
Site Description
Site Status SNCI
Description of Geodiversity Deep gorge environment revealing exposures of Magnesian limestone. The gorge forms steep sides consisting of face of Magnesian limestone in a fluvial environment. Glacial erratics can be found in the stream bed.
Literature References The Geology of the Country Between Durham and West Hartlepool – Denis Smith 1967
Site Map
Site Assessment
| Access and Safety |
Comments |
Rating |
| Safety of access |
Along Hart to Haswell walkway |
|
| Safety of exposure |
View from river channel |
|
| Restricting conditions |
High flow episodes |
|
| Multiple exposure |
Gorge length from walkway to viaduct |
|
| Note |
It is strongly suggested that on-site safety be the responsibility of the party leader(s), as the safety information above is given only as a guide. |
|
| Education and Science |
Comments |
Rating |
| Surface processes |
Fluvial processes and glacial processes |
10 |
| Geomorphology |
River gorge |
10 |
| Sedimentary rock |
Magnesian limestone and possible evaporite layer |
10 |
| Igneous rock |
Erratics in stream bed |
2 |
| Metamorphic rock |
Erratics in stream bed |
2 |
| Fossils |
None specific |
1 |
| Minerals |
None specific |
1 |
| Structural features |
Dip examples of up to 20° |
7 |
| Stratigraphy |
Brecciated Magnesian limestone material above evaporite layer |
8 |
| Geodiversity Value |
Comments |
Rating |
| Education |
Due to access education potential questionable |
1 |
| Scientific |
Study of Earth scientists |
10 |
| Historical |
Limited historical significance |
1 |
| Aesthetic |
Excellent examples of geodiversity and biodiversity |
10 |
Surveyors
Andrew Carter, John Waring
Crimdon Dene
Grid Reference NZ 471 371
BGS Sheet 27
OS Sheet 93
Forwarded as RIGS 30/09/2003
Site Description
Site Status SNCI
Description of Geodiversity Deep gorge environment revealing exposures of Magnesian limestone. The gorge forms steep sides consisting of face of Magnesian limestone in a fluvial environment. Glacial erratics can be found in the stream bed.
Literature References The Geology of the Country Between Durham and West Hartlepool – Denis Smith 1967
Site Map
Site Assessment
Surveyors