Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Giant's Causeway and Causeway Coast' has mentioned 'Chalk' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| Around 50 to 60 million years ago,[3] during the Paleocene Epoch, Antrim was subject to intense volcanic activity, when highly fluid molten basalt intruded through chalk beds to form an extensive volcanic plateau. | WIKI |