Igneous Rocks of the Ocean Basins

Stephen Nelson, Department of Geology

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These lecture notes introduce magmatism and petrology as they relate to the oceanic lithosphere. The notes cover ophiolite sequences and types of volcanic settings found in ocean basins. A section about basalt includes discussion of location, composition and origin of mid-ocean ridge basalts. Ocean island basalts are further discussed with regards to occurrence, composition and origin. These notes include graphs, maps and phase diagrams. This resource is part of the Teaching Petrology collection. http://serc.carleton.edu/NAGTWorkshops/petrology03/index.html

Part of the Cutting Edge collection. The NAGT/DLESE On the Cutting Edge project helps geoscience faculty stay up-to-date with both geoscience research and teaching methods.

Cutting Edge

Subject: Geoscience:Geology:Igneous and Metamorphic Petrology:Geochemistry, Geoscience:Geology:Mineralogy, Geochemistry:Radioisotopes, Geoscience:Geology:Igneous and Metamorphic Petrology:Igneous Processes, Igneous Associations and Tectonic Settings, Geoscience:Geology:Tectonics, Igneous and Metamorphic Petrology:Thermodynamics and Phase Equilibria, Geoscience:Geology:Geochemistry:Elements, Geoscience:Geology:Igneous and Metamorphic Petrology:Volcanology
Resource Type: Audio/Visual:Images/Illustrations, Course Information:Course Site:Course Notes, Audio/Visual:Maps
Grade Level: College Upper (15-16), College Lower (13-14)
Classes of Earth Materials: Volcanic Rocks
Course Type: Upper Level:Geochemistry, Mineralogy, Petrology
Geologic Setting: Mantle, Oceanic Crust
Topics: Solid Earth:Petrology:Igneous Associations and Tectonic Settings, Volcanology, Geochemistry, Thermodynamics and Phase Equilibria, Solid Earth:Geochemistry:Elements, Radioisotopes, Solid Earth:Petrology:Igneous Processes, Solid Earth
Solid Earth Processes: Volcanism
Theme: Teach the Earth:Course Topics:Mineralogy, Teach the Earth:Teaching Topics:Plate Tectonics, Teach the Earth:Course Topics:Petrology, Geochemistry
Tectonic Setting: Oceanic Island, Mid-Ocean Ridge