Coquina, a sedimentary rock formed from shells cemented together.
Coquina, a sedimentary rock formed from shells cemented together. The coquina must have formed since the last Ice Age which finished approximately 18,000 years ago. The shells and the cement are made of the mineral calcite.
Caithness "Sannick Bay" "John o' Groats" "Raised beach" "Raised shoreline" shellfish "Isotactic readjustment" "Ice age" sediment layers sand beach shell Scotland.
Links for more information:
www.caithness.org/caithnessfieldclub/bulletins/1975/octob...
www.landforms.eu/Caithness/sea level change.htm
Coquina, a sedimentary rock formed from shells cemented together.
Coquina, a sedimentary rock formed from shells cemented together. The coquina must have formed since the last Ice Age which finished approximately 18,000 years ago. The shells and the cement are made of the mineral calcite.
Caithness "Sannick Bay" "John o' Groats" "Raised beach" "Raised shoreline" shellfish "Isotactic readjustment" "Ice age" sediment layers sand beach shell Scotland.
Links for more information:
www.caithness.org/caithnessfieldclub/bulletins/1975/octob...
www.landforms.eu/Caithness/sea level change.htm