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Recent geological studies focusing on the Davie Fracture Zone of the Mozambique Channel offer a resolution to this situation , by suggesting the presence of a land - bridge from the mid - Eocene to the early Miocene , an interval that matches the ages of Madagascar ' s mammalian groups .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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