This PowerPoint presentation is part of the Whitman College petrology course. This 37-slide presentation starts by presenting a generalized map of the earth's rift system. The composition of mid-ocean ridge basalt is introduced in the context of major-element chemistry, petrography, trace elements, spreading rate, and isotope chemistry. Melt generation in terms of mantle and lithospheric structure is portrayed in a number of schematic 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.
Subject: Geoscience:Geology:Structural Geology, Geochemistry, Igneous and Metamorphic Petrology:Volcanology, Geochemistry, Geoscience:Geology:Tectonics, Igneous and Metamorphic Petrology:Igneous Associations and Tectonic Settings, Geoscience:Geology:Geochemistry:Elements, Radioisotopes Resource Type: Audio/Visual:Images/Illustrations, Course Information:Course Site:Course Notes, Datasets and Tools:Datasets, Audio/Visual:Maps Grade Level: College Lower (13-14), Graduate/Professional, College Upper (15-16) Classes of Earth Materials: Volcanic Rocks Course Type: Upper Level:Geochemistry, Petrology Geologic Setting: Oceanic Crust, Mantle Topics: Solid Earth:Geochemistry:Radioisotopes, Solid Earth:Geochemistry, Solid Earth, Chemistry/Physics/Mathematics, Solid Earth:Geochemistry:Elements, Solid Earth:Petrology:Igneous Associations and Tectonic Settings, Solid Earth:Structural Geology, Petrology:Volcanology, Geochemistry Solid Earth Processes: Volcanism Tectonic Setting: Mid-Ocean RidgeKeywords: ophiolite, N-MORB, E-MORB, Langmuir model
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