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Past Exam for GEOS 1004 - Physical Geology with Eriksson at Virginia Tech (VT)

Exam Information

Material Type:Exam 4
Professor:Eriksson
Class:GEOS 1004 - Physical Geology
Subject:Geosciences
University:Virginia Polytechnic Institute And State University
Term: 2006
Keywords:
  • Mid-Oceanic Ridge
  • Cementation
  • Chemical Weathering
  • Oceanic Ridge
  • Transform Boundaries
  • The Environment
  • Environment
  • Exfoliation
  • Lithification
  • Geothermal Gradient
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Sample Document Text

PHYSICAL GEOLOGY 1004 EXAM II — October 2, 2006  SECTION 1 FORM B CHOOSE THE BEST ANSWER AND FILL IN THE NUMBER ON THE OPSCAN SHEET. 1. Examples of only minerals are 1. andesite, pyroxene, and olivine 2. mica, gabbro, and feldspar 3. olivine, granite and feldspar 4. feldspar, quartz, and mica 2. If someone informed you that a highly explosive volcanic eruption had taken place at an undisclosed  location, and that ash and gases killed several hundred people, you would inform that person that the rock  type being formed by cooling of the lava is probably: 1. ultramafic 3. mafic in composition 2. felsic or intermediate in composition 4. basalt 3. Mafic implies 1. rich in Na, K, and Si 2. rich in Fe, Mg, and Ca 3. 1 and 2  4. neither 1 nor 2 4. Compaction and cementation are processes which result in:  1. loss of porosity 2. lithification 3. consolidation of sediment into a...

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