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The shield-stage lavas that built the enormous main mass of the mountain are tholeiitic basalts , like those of Mauna Kea , created through the mixing of primary magma and subducted oceanic crust .
 location: Mauna Kea
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Mauna Kea