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The remaining hills are the exposed portion of an extensive terrane ( the Spavinaw terrane in part ) of granitic and rhyolitic rocks dating from 1485 to 1350 mya that stretches from Ohio to western Oklahoma .
 Spavinaw, Ohio, Oklahoma
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Spavinaw, Ohio, Oklahoma