Quiz_2_Study_Guide - PHSC 210 Q UIZ 2 (W EEK 4) S TUDY G...

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PHSC 210 Q UIZ 2 (W EEK 4) S TUDY G UIDE Students: Please concentrate your studies in the following areas. Questions for Quiz #2 will come principally from this material. Lutgens and Tarbuck Textbook: Rocks (Chapter 2) – Be able to name and describe the three main rock types found in the earth’s crust (i.e., igneous, sedimentary, and metamorphic). Have a basic understanding of the rock cycle. Know how crystal size (i.e., texture) in igneous rocks is related to cooling history. If an igneous rock contains vesicles, what does this indicate about where it was formed (i.e., intrusive vs. extrusive) and its grain size (i.e., fine-grained vs. coarse-grained)? Know the basic differences between intrusive and extrusive igneous rocks. Be able to describe the following igneous rock textures: fine-grained, vesicular, coarse- grained, glassy, and porphyritic. Know the basic differences between granitic (felsic) igneous rocks and basaltic (mafic) igneous rocks. Which is found in abundance is oceanic crust? Which is found in abundance in continental crust? Know which igneous rock is popular as a building material. Know the differences between mechanical and chemical weathering. Be able to define and discuss each. In what type of climate does chemical weathering predominate? In
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