Igneous Rock Compositions and Plate Tectonics part of Integrating Research and Education:EarthChem:Igneous Rocks and Tectonics
Kent Ratajeski, Calvin University
Allen Glazner and Kent Ratajeski Published July 28, 2005. Description In this exercise, students use whole-rock major- and trace-element compositions of igneous rocks from a variety of tectonic settings and ...

Compositional Diversity in Volcanic Suites part of Integrating Research and Education:EarthChem:Compositional Diversity in Volcanic Suites
Kent Ratajeski, Calvin University
Kent Ratajeski Published Oct. 26, 2004. Description In this exercise, students use whole-rock major- and trace-element compositions of volcanic rocks to explore the origins of compositional variation in igneous ...

Directed Discovery of Crystal Structures part of Integrating Research and Education:Crystallography:Directed Discovery of Crystal Structures
David Mogk and Kent Ratajeski Published Jan. 25, 2005 Description This contribution is modified from a published exercise "Directed Discovery of Crystal Structures Using Ball-and-Stick Models" [Mogk, ...

Physical and Chemical Variations Along the Central American Volcanic Arc part of Integrating Research and Education:EarthChem:Central America Volcanoes
Kent Ratajeski, Calvin University
Kent Ratajeski Published June 13, 2007. Description The Central American volcanic arc displays large arc-parallel variations in chemical composition that yield important clues concerning the complex origin of ...

Global Geochemistry of Mid-Ocean Ridge Basalts part of Integrating Research and Education:EarthChem:Mid-Ocean Ridge Basalts
Kent Ratajeski, Calvin University
Kent Ratajeski Published Oct. 15, 2006. Description Geological processes at the mid-ocean ridges are responsible for the bulk of the Earth's heat loss and volcanic activity. The compositions of materials ...

Crystallization-Differentiation of the Kilauea Iki Lava Lake part of Integrating Research and Education:EarthChem:Kilauea Iki Lava Lake
Kent Ratajeski, Calvin University
Kent Ratajeski Published Oct. 26, 2004. Description In this exercise, students use major-element compositions of whole-rocks, volcanic glasses, and minerals in lavas and drill cores from the solidified Kilauea Iki ...

Cenozoic Volcanic History of the Western United States part of Integrating Research and Education:EarthChem:NAVDAT animations
Kent Ratajeski, University of Kentucky
Kent Ratajeski Published June 30, 2006 Description In this activity, students view a Quicktime video animation based on data from the North American Volcanic and Intrusive Rock Database (NAVDAT) to learn about the ...

Volcanic Landforms and Magma Composition part of Integrating Research and Education:EarthChem:Volcanoes
Kent Ratajeski, Calvin University
Kent Ratajeski Published July 12, 2006. Description Magma composition is an important control on the geomorphology of lava flows and volcanoes. In this exercise, students investigate this relationship by studying ...

Is there a present volcanic hazard? part of Integrating Research and Education:Yellowstone
The volcanic processes that created the Yellowstone Geoecosystem are still active. One way that geoscientists determine the likelihood of a certain type of eruption occurring is by documenting how often they have ...

Crystal Structures as Geobarometers part of Integrating Research and Education:Crystallography:Cpx Geobarometer
Kent Ratajeski, Calvin University
Kent Ratajeski Published Jan. 4, 2005 Description This exercise is based on the recent formulation of a geobarometer based on the crystal structure of clinopyroxene (Nimis, 1995; 1998; 1999). This method relates ...