Jun 30, 2024
OHIO University Undergraduate Catalog 2023-2024

GEOL 4640 - Regional Tectonics


Global tectonics and structure of continental cratons and margins, mid-ocean ridges, island arcs, and major orogenic belts.

Requisites: GEOL 3600
Credit Hours: 3
Repeat/Retake Information: May be retaken two times excluding withdrawals, but only last course taken counts.
Lecture/Lab Hours: 3.0 lecture
Grades: Eligible Grades: A-F,WP,WF,WN,FN,AU,I
Learning Outcomes:
  • Know the driving mechanisms of plate tectonics and the forces of plate motion.
  • Understand Archean granulite-gneiss belts, greenstone belts and crustal evolution and the earliest life forms in the Archean.
  • Understand Proterozoic mafic-ultramafic complexes, basins, mobile belts and anorgenic magmatism, and crustal evolution and climate in the Proterozoic.
  • Understand crustal heat flow, sea-floor spreading at mid-ocean ridges, and the age-depth relation of ocean basins.
  • Understand hot spots, aseismic ridges, and the origin of mantle plumes.
  • Understand island arcs and volcanism at convergent plate margins, trenches and back-arc basins, accretionary orogens and the processes of subduction, terrane accretion and continental collision.
  • Understand plate tectonics and plate boundaries, the geometry of plate motion, and its link to earthquakes.
  • Understand secular variations in earth history, and episodicity in plate tectonics, and the supercontinent cycle.
  • Understand the assembly the and breakup of the supercontinent Pangea.
  • Understand the geologic evolution of the Caledonian-Appalachian belt.
  • Understand the geologic evolution of the North American Cordillera.


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