Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Mount Wuyi' has mentioned 'Volcanic' in the following places:
Occurrence Sentence Text Source
The region is part of the Cathaysian fold system and has experienced high volcanic activity and the formation of large fault structures, which were subsequently subject to erosion by water and weathering.
Peaks in the western portion of the Wuyi Mountains typically consist of volcanic or plutonic rocks, whereas peaks and hills in the eastern area are made up of red sandstone (particularly in the east) with very steep slopes but flat tops (Danxia landform).