195005
It was formed about 1,810 million years ago as a result of continental arc volcanism when the Archean Slave craton started to collide with the Paleoproterozoic Hottah terrane to the west .
 None
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:  
Answer:
 None