10F_ReviewQ_Exam2 - Review questions for Exam II MINERALS...

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MINERALS What five criteria are required for a substance to be called a mineral? What is meant by crystalline structure? What 8 elements make up >98% of the earths crust? Which two of these are most abundant and make up >75% of the crust? What is a mineral group? Which mineral group accounts for most of the minerals in the earth's crust? What is the silica tetrahedron? How does it bond with other silica tetrahedral and how does this change the Si:O ratio? IGNEOUS ROCKS Igneous rocks are classified according to what two characteristics? What do the following textural (grain size) terms mean? What can be said about the cooling rate of each? glassy aphanitic phaneritic porphyritic What is the most important factor that controls the grain size of igneous rocks? What controls the cooling rate of igneous rocks? What is meant by a mafic or ferromagnesian mineral? mafic rocks? What is meant by a felsic (or nonferromagnesian)mineral?
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This note was uploaded on 02/19/2011 for the course GLY 1000 taught by Professor Vogl during the Spring '08 term at University of Florida.

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10F_ReviewQ_Exam2 - Review questions for Exam II MINERALS...

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