Sand and gravel resources, Sheet 96E Banff, Cainozoic of north-east Scotland

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From: Merritt, J W, Auton, C A, Connell, E R, Hall, A M, and Peacock, J D. 2003. Cainozoic geology and landscape evolution of north-east Scotland. Memoir of the British Geological Survey, sheets 66E, 67, 76E, 77, 86E, 87W, 87E, 95, 96W, 96E and 97 (Scotland).

Sheet 96E Banff

The most notable sand and gravel resources of Sheet 96E (Map P915373) lie west of the valley of the River Deveron, between Banff and Boyndie (NJ 640 638). Glaciofluvial deposits assigned to the Blackhills Sand and Gravel Formation (see Chapter 8) form the Hills of Boyndie, stretching south-westwards from Banff to Ladysbridge (NJ 651 636). Sand predominates, but gravel is more abundant towards the margins of the spreads. Clasts of quartzite, feldspathic red sandstone, granite and basic igneous rocks predominate within the gravel.

A significant resource of glaciofluvial sand and gravel is present on the western side of the valley of the River Deveron, but building developments in Banff have extended across the northern portion. Less attractive resources of water-saturated sand and gravel occur beneath the floodplain of the Deveron, underlying 2 to 3 m of alluvial silt. Farther east, in the vicinity of Paddocklaw Farm (NJ 662 617), Peacock et al. (1977) record sand and gravel containing clasts of metagreywacke, gneissose psammite, semipelite and slatey pelite. Notable resources may also be present within the glaciofluvial deposits flanking the Burn of Fishrie near its confluence with the River Deveron.

References

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