42770
However , on a geological timescale , a considerable degree of active and large-scale volcanism occurred in Great Britain , and many famous landmarks are formed of the eroded igneous rocks formed during these orogenies ( mountain-building periods ) .
 location: Great Britain
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Great Britain 
Answer:
 location: Great Britain