Editing Quaternary features of Scugdale, northwest Cleveland Hills - an excursion

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=== Locality 1, Scarth Nick Meltwater Channel. ===
 
=== Locality 1, Scarth Nick Meltwater Channel. ===
  
The excursion begins from a car park [SE 471 993] on the minor road at the northern end of the Osmotherley (Cod Beck) Reservoir. Take this road to the north, which here occupies the bottom of the meltwater channel. Its sides are over 30 m high, and the base, at an altitude of about 220 m, is floored by peat. The gradient is largely to the south but a section drained north for a short period. At the northern end of Scarth Nick, sandstone crags are exposed and form the eastern side of the feature. Well-developed joints aligned parallel with the channel are indicative of a nearby '''fault''' which occupies the centre of the channel and was a contributory factor in the formation of this valley.
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The excursion begins from a car park [SE 471 993] on the minor road at the northern end of the Osmotherley (Cod Beck) Reservoir. Take this road to the north, which here occupies the bottom of the meltwater channel. Its sides are over 30 m high, and the base, at an altitude of about 220 m, is floored by peat. The gradient is largely to the south but a section drained north for a short period. At the northern end of Scarth Nick, sandstone crags are exposed and form the eastern side of the feature. Well-developed joints aligned parallel with the channel are indicative of a nearby fault which occupies the centre of the channel and was a contributory factor in the formation of this valley.
  
The meltwater channel follows the present line of the Cod Beck Valley southwards. Similar channels further south in the proximity of Nun House [SE 446 940] at an altitude of about 150 m may represent the continuation of this marginal flow around the western edge of the Cleveland Hills. Confirmation that a lakelee occupied the Cod Beck Valley for a short period during the Devensian is now provided by boreholes sunk along the dam line of the reservoir which proved it is filled by up to 8 m of laminated clays and silts and interlaminated sands. Below the dam, at the caravan site, a borehole [SE 4614 9808] proved silty clay and gravel to a depth of 27 m.
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The meltwater channel follows the present line of the Cod Beck Valley southwards. Similar channels further south in the proximity of Nun House [SE 446 940] at an altitude of about 150 m may represent the continuation of this marginal flow around the western edge of the Cleveland Hills. Confirmation that a lakelee occupied the Cod Beck Valley for a short period during the Devensian is now provided by boreholes sunk along the dam line of the reservoir which proved it is filled by up to 8 m of laminated clays and silts and interlaminated sands. Below the dam, at the caravan site, a borehole [SE 4614 9808] proved silty clay and gravel to a depth of 27 m.
  
On the western flank of Scarth Nick, two small patches of gravel [NZ 470 000] occur at an altitude of some 260 m. They are rich in '''chert''' and sandstone pebbles and form the remnants of a '''glaciofluvial''' deposit associated with the meltwater channel.
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On the western flank of Scarth Nick, two small patches of gravel [NZ 470 000] occur at an altitude of some 260 m. They are rich in chert and sandstone pebbles and form the remnants of a glaciofluvial deposit associated with the meltwater channel.
  
 
=== Locality 2, Holy Well Gill Meltwater Channel ===
 
=== Locality 2, Holy Well Gill Meltwater Channel ===

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