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| *****SWAAG_ID***** | 973 |
| Date Entered | 29/01/2017 |
| Updated on | 29/01/2017 |
| Recorded by | Tim Laurie |
| Category | Geological Record |
| Record Type | Geological HER |
| Site Access | Public Access Land |
| Record Date | 09/12/2016 |
| Location | Teesdale, Blackton Reservoir. Hunder Beck |
| Civil Parish | Cotherstone |
| Brit. National Grid | NY 925 171 |
| Altitude | 360m |
| Geology | Waterfall at top of stream cut, steep sided ravine with fine exposures of thick Namurian Black Shales with regular interbedded ironstone nodules. Fine exposure of a thin coal seam with underlying seat earth and overlying hard sandstone strata in cliff at the waterfall. Shap and other erratic boulders in the stream bed.
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| Record Name | Hunder Beck. Part Two: Namurian Strata including an exposure of the Tanhill Coal and waterfall on Mawson Sike. |
| Record Description | This, the second of several Database records centred at Hunder Beck and its tributary streams above Blackton Reservoir will draw attention to the interesting wild moorland scenery and geology with deeply hidden stream cut ravines and distant views of the two isolated 'nunatatak' hills of Goldsborough and Shacklesbrough. |
| Dimensions | Unlimited moorland, see photos |
| Additional Notes | Details of the Shap erratic boulder, the exposed black shale cliff and lines of ironstone nodules, the coal seam, the underlying seat earth, the junipers, aspen and rowans and the lichen will all be the subject of further specific records. |
| Image 1 ID | 7143 Click image to enlarge |
| Image 1 Description | Mawson Sike and the falls with glacial erratic boulder of Shap Granite in foreground. |  |
| Image 2 ID | 7144 Click image to enlarge |
| Image 2 Description | The falls are visible from a distance as white lines of water which run down the black shale |  |
| Image 3 ID | 7145 Click image to enlarge |
| Image 3 Description | View of the falls from above. |  |
| Image 4 ID | 7146 Click image to enlarge |
| Image 4 Description | View of the falls from above with adjacent cliff and two junipers. |  |
| Image 5 ID | 7147 Click image to enlarge |
| Image 5 Description | View of the falls with the black shale cliff. |  |
| Image 6 ID | 7148 Click image to enlarge |
| Image 6 Description | View of the falls with junipers on cliff. |  |
| Image 7 ID | 7149 Click image to enlarge |
| Image 7 Description | View of the falls with rowan on cliff. |  |
| Image 8 ID | 7150 Click image to enlarge |
| Image 8 Description | The cliff with ancient rowan and two junipers |  |
| Image 9 ID | 7151 Click image to enlarge |
| Image 9 Description | Colonies of lichen (unid) spots on shale. |  |
| Image 10 ID | 7152 Click image to enlarge |
| Image 10 Description | Thin coal seam and underlying seat earth exposed in the cliff at the waterfall. |  |
