The soil in the area is a light gravel or sand laid over Keuper marl with some lower lias and alluvium also present.
12.
The subsoil is Keuper Marl ( Mercia Mudstone ) with a band of Keuper Sandstone ( Bromsgrove Sandstone ) along the western boundary.
13.
The site is located on a valley side in the Blackdown Hills where outcrops of both Cretaceous Upper Greensand and underlying Triassic Keuper Marls occur.
14.
The underlying geology is impermeable silty mudstones and sandstones of the Triassic Keuper marl, overlain with permeable Greensand and clay-with-flints.
15.
Sneinton sits on soft Bunter sandstone ( of the Sherwood Sandstone Group type ), overlaid on top of Keuper marls ( of the Mercia Mudstone Group ).
16.
Spalding Moor was a marsh, dominated by a single hill which consists of Keuper marl; on the hill a small church was built in the 13th century.
17.
The Tewkesbury and Malvern Railway on this section was constructed through an outcrop of Keuper Marl and thus has a range of plants which are unusual within the wider area.
18.
The village lies chiefly at a height of about 400 ft . above sea-level, the soil being Red Keuper Marl overlaid with pockets of clay, gravel, and sand.
19.
Blackdown and Sampford Commons have extensive surviving examples of the heathland, carr woodland and marshy grassland habitats that have developed on the acidic soils overlying the Greensand and Keuper Marls of the Blackdown Hills.
20.
The hills which rise to above Ordnance datum ( mean sea level ) are made up of limestone, rheatic clay and Keuper marl covered with calcareous grassland, scrubland and youth hostel in Somerset.
