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Geology The Rainbow Range is an eight-million-year-old ( Miocene ) massive peralkaline shield volcano in the Anahim Volcanic Belt which includes the lower but similar Itcha and Ilgachuz Range s. The shield has a diameter of is now heavily eroded by glacier s carving into the volcanic rock and sand s over millions of years .
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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:
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