GEOSCI 100 Study Guide - Quiz Guide: Lahar, Bioturbation, Mariana Islands
Document Summary
Layers of the earth and composition/mobility of the layers. Earth"s magnetic field and how it is formed. Uniformitarianism, continental drift, and plate tectonic theory (wegener) Types of plate boundaries and how they are moving. Specific boundaries that created appalachians, andes, himalayas, and marianas islands. How we know plates are moving (how we can measure them) Occurrences of volcanoes and earthquakes at plate boundaries. Concept of sio4 tetrahedron as building block for minerals. Bowen"s reaction series: mineral changes with dropping temperature. Three types of rocks and how they form. Extrusive vs. intrusive rocks, cooling rates, and grain sizes, examples of each. Fractional crystallization as one of several magmatic differentiation processes. Types of volcanoes, magma composition that creates each. How eruptions of felsic, mafic, and intermediate magma behave. Types of igneous intrusions (sills, dikes, batholiths, plutons) Volcano types characteristic of hot spots, subduction zones, and mid ocean ridges or rifts. Grain sizes and the effects of weather and transport on grains.
