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Cretaceous

The best known example of Cretaceous limestone which formed some 140 to 65 million years ago is Ulster White Limestone which outcrops in Counties Antrim and Londonderry. It is white in colour, very brittle and contains numerous bands of flint nodules.

Cretaceous sub-categories

Antrim Chalk

Derry Chalk

Buildings constructed with this stone type:

Former Common Barn

County Londonderry

Stone Types: Derry Chalk, Dungannon Sandstone, Limestone
4-6 Stonard Street, Moneymore

County Londonderry

Stone Types: Derry Chalk, Dungannon Sandstone, Limestone, Sherwood Sandstone
1-13 High Street, Moneymore

County Londonderry

Stone Types: Buff-Pink Sandstone, Derry Chalk, Dungannon Sandstone, English Carboniferous Sandstone
St. Matthias’s Church

County Londonderry

Stone Types: Derry Chalk, Dungannon Sandstone, Limestone, Sherwood Sandstone
St. Thomas’ Church, R…

County Antrim

Stone Types: Antrim Chalk, Ballycastle Sandstone, Basalt, Limestone
Carncastle

County Antrim

Stone Types: Antrim Chalk, Basalt
Galgorm Church

County Antrim

Stone Types: Antrim Chalk, Basalt
Ardclinis Church

County Antrim

Stone Types: Antrim Chalk, Basalt
Castle Carra

County Antrim

Stone Types: Antrim Chalk, Antrim Schist, Basalt
The Kelp Store

County Antrim

Stone Types: Antrim Chalk, Limestone