For GG/ERTH graduate students who lead, under faculty supervision, a scheduled class in Geology and Geophysics. The instructor will define the student’s responsibilities when offering GG/ERTH 609, and these responsibilities must be met for a passing grade. As the consent to take the class must also be granted by the department chair, the chair will also review the responsibilities required by the instructor. GG/ERTH graduate students only. CR/NC only. Pre: consent of instructor and department chair.