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The Doctoral program mandates a minimum of 36 credit hours (including at least 16 for coursework and 20 for dissertation research) after earning a Master's degree, along with a completed dissertation. Each student's academic plan will be designed by their Doctoral committee, with many students likely needing additional coursework beyond the 16-hour minimum. Written and oral comprehensive exams are conducted upon finishing required courses, followed by a dissertation proposal defense.
The Department of Geosciences enforces a campus residency policy for Ph.D. candidates, requiring all coursework, comprehensive exams, and dissertation proposals to be finalized on the Starkville campus. Additionally, the Graduate School stipulates 24 post-Bachelor's course hours, meaning students entering with an M.S. degree may need to transfer credits from their previous program to meet this requirement.