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This PowerPoint presentation is part of the Whitman College petrology course. The presentation covers the origin of basaltic magmas. Two types of basalt in ocean basins are compared (tholeiitic and alkaline). Composition of mantle-derived magmas and sources of mantle material are listed. Discussion of how the mantle melts, touching on the contribution of volatiles, pressure and composition, is included. ... Full description.
Grade level: College (13-14), College (15-16)
Resource type: Presentation / Demo, Illustration - scientific
Subject: Geochemistry, Geology, Mineralogy or petrology
 
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This PowerPoint presentation is part of the Whitman College petrology course. Subjects include fractional crystallization, compaction, flow segregation, volatile transport, the Soret Effect, thermogravitational diffusion, magma mixing, and assimilation. Tectonic-igneous relationships are also addressed. This resource is part of the Teaching Petrology collection. http://serc.carleton.edu/NAGTWorkshops/petrology03/index.html ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Presentation / Demo, Illustration - scientific
Subject: Geochemistry, Geology, Mineralogy or petrology
 
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This PowerPoint presentation is part of the Whitman College petrology course. This 50-slide presentation introduces layered mafic intrusions around the world. The chapter discusses various layered mafic complexes in cross section and plan view, and also describes stratigraphy within the complexes. The presentation further describes processes within the complexes, such as crystallization, differentiation, ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Presentation / Demo, Illustration - scientific, Map
Subject: Geochemistry, Geology, Mineralogy or petrology
 
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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 ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Presentation / Demo, Illustration - scientific, Map
Subject: Geochemistry, Geology, Mineralogy or petrology, Structural geology
 
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This PowerPoint presentation is part of the Whitman College petrology course. This 29-slide presentation covers the compositional evolution of basalt using high field strength, large-ion lithophile, rare earth elements, and isotope geochemistry. Mantle reservoirs (depleted mantle, bulk silicate earth, enriched mantle, prevalent mantle, High mu mantle) are discussed and illustrated. This resource is ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Presentation / Demo, Illustration - scientific
Subject: Geochemistry, Geology, Mineralogy or petrology
 
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This PowerPoint presentation is part of the Whitman College petrology course. This 17-slide presentation addresses the major flood basalts. The Columbia River flood basalts are discussed in detail. Other flood basalts that are covered include the Keeweenawan, Deccan, Parana and Karroo. This resource is part of the Teaching Petrology collection. http://serc.carleton.edu/NAGTWorkshops/petrology03/index.html ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Presentation / Demo, Illustration - scientific, Map
Subject: Geochemistry, Geology, Mineralogy or petrology
 
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This 50 slide PowerPoint presentation introduces the basic structural facets of an island arc system. Magma series (tholeiitic, alkaline, calc-alkaline) and differentiation within magma series are related to the major elements. Other trends in magma series (spatial, temporal, trace element, isotope) are presented. Petrogenesis of magmas is illustrated in terms of mantle flow, rate of subduction and ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Presentation / Demo, Illustration - scientific
Subject: Geochemistry, Geology, Mineralogy or petrology
 
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This 27-slide PowerPoint presentation contains a number of schematic diagrams showing continental arc settings. Chemical comparisons of various continental arc magmas are discussed using isotopic variation and the occurrence of rare earth elements. The presentation also covers isotopes, rare earth element characteristics, and the geographic occurrence of plutonic arcs. This resource is part of the ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Presentation / Demo, Illustration - scientific
Subject: Geochemistry, Geology, Mineralogy or petrology
 
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This 16-slide PowerPoint presentation discusses the characteristics of granitoid rocks including geographic occurrence, rare earth elements, enclave characteristics, pressure-temperature conditions, the influence of water, and tectonic setting. This resource is part of the Teaching Petrology collection. http://serc.carleton.edu/NAGTWorkshops/petrology03/index.html Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Presentation / Demo, Illustration - scientific
Subject: Geochemistry, Geology, Mineralogy or petrology
 
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This 32 slide PowerPoint presentation presents a list of alkaline rocks followed by an in depth look at continental alkaline magmatism of the East African Rift system. A chemical, geographic, and structural look at carbonatites follows. The presentation progresses through discussions of lamproites, lamprophyres, and kimberlites. This resource is part of the Teaching Petrology collection. http://serc.carleton.edu/NAGTWorkshops/petrology03/index.html ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Presentation / Demo, Illustration - scientific
Subject: Geochemistry, Geology, Mineralogy or petrology
 
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Results 41 - 50 of 107 <<  1 2 3 4 5 6 7 8 9  >>