The ground is composed of hard lime rocks, and soft chalk rocks.
2.
The Rosh HaNikra grottoes are cavernous tunnels formed by sea action on the soft chalk rock.
3.
Many of the buildings are faced with flint, a hard glassy stone found in the local chalk rock.
4.
Next comes the Chalk Rock, which, being a hard bed, caps the hilltops by Boxmoor, Apsley End and near Baldock.
5.
The site is a large working quarry which exposes fossiliferous chalk rocks of the late Cretaceous, with many rare fossils including ammonites.
6.
The landscape, which is protected within the South Downs National Park, is based on chalk rock strata formed in the Late Cretaceous.
7.
This comes out of the chalk rock on the slope of the hill by the main road above the village on the north-cast.
8.
The Sassnitz area is most popular for its famous chalk rocks ( " Kreidefelsen " ), which inspired artists like Caspar David Friedrich.
9.
It has massive chalk rock formations that are textbook examples of ventifact and which have been created as a result of occasional sandstorm in the area.
10.
The site was notified in 1971 for its biological features which show all stages of succession from bare chalk rock to 41 SSSIs on the Isle of Wight.
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