G E T T I N G T H E M O S T O U T O F F I E L D S K E T C H E S
Thurstaston Shore
Upper Boulder clay
gravel lens
irregular contact
Lower Boulder clay
jumbled mass of fragments
formed by cliff collapse
erosion by sea undercuts cliff
joint
beach sand
pebbles eroded from cliff
pebble (matrix supported)
clay matrix
graded bedding
bedding
mass movement
terracettes on steep cliff
MIddle Sands &
Gravels
0
2
m