Geology Reference
In-Depth Information
Plate 13.6
Sea arch on Flamborough Head, Yorkshire.
(
Photograph by Nick Scarle
)
Plate 13.7
Sea stack on Flamborough Head, Yorkshire.
(
Photograph by Nick Scarle
)
COASTAL DEPOSITIONAL
LANDFORMS
wave processes affect coastal sediments. In composition,
they consist of a range of organic and inorganic parti-
cles, mostly sands or shingle or pebbles.
Pebble beaches
are more common at middle and high latitudes, where
pebbles are supplied by coarse glacial and periglacial
debris.
Sand beaches
are prevalent along tropical coasts,
Beaches
Beaches
are the most significant accumulations of
sediments along coasts. They form in the zone where
