Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Meteora' has mentioned 'Sandstone' in the following places:
Occurrence Sentence Text Source
They are not volcanic plugs of hard igneous rock typical elsewhere, but the rocks are composed of a mixture of sandstone and conglomerate.
About 60 million years ago during the Paleogene period[5] a series of earth movements pushed the seabed upward, creating a high plateau and causing many vertical fault lines in the thick layer of sandstone.