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Numerous peat deposits occur across the moor whilst large areas are characterised by blockfields of granite boulders ; both deposits are of Holocene age ( see also Geology of Cornwall ) .
 Geology of Cornwall
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Geology of Cornwall