Coralline Crag Formation, Geological formation in Suffolk, England.
The Coralline Crag Formation contains bioclastic calcarenites and silty sands with extensive deposits of marine organisms and shell fragments along the North Sea coast.
During the early Pliocene Epoch of the Neogene Period, this formation emerged through accumulated deposits of bryozoans and mollusks in marine environments.
The formation materials were incorporated into local architecture, with St Peter's Church tower in Chillesford representing one of two structures built using these rocks.
The formation extends through multiple locations near Aldeburgh and Orford, reaching depths of 25 meters and offering designated paths for geological observation.
The calcareous remains within the formation provide essential data for understanding sea level changes and marine biodiversity during the Pleistocene period.
Location: England
GPS coordinates: 52.12000,1.53000
Latest update: March 3, 2025 07:49
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Orfordness transmitting station
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