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5 Written questions

5 Matching questions

  1. which of the following geologic observations would not bear directly working out the geologic history of events in an area
  2. shale
  3. of the original amount of radioactive parent isotope "x" in a feldspar crystal, 25% remains and 75% has decayed to stable daughter isotope "Y". How many half lives have elapsed
  4. which one of the following statements concerning mechanical weathering is not true
  5. chemical weathering is enhanced by physical weathering primarily due to an increase in
  1. a abundance of quartz and feldspar in granite
  2. b two
  3. c clay
  4. d surface area
  5. e involves a major change in the mineral composition of the weathered material

5 Multiple choice questions

  1. Lead
  2. Oersoils
  3. breccia clasts (fragments) are angular, conglomerate clasts are rounded
  4. Argon 40
  5. sedimentary rocks

5 True/False questions

  1. (T/F) at high pressures and elevated temperatures of regional metamorphism, silicate rocks are more resistant to flow age and deformation than at low temperature and pressuresat great depths in the crust where two continents are colliding


  2. which environment has the best conditions to enhance weatheringthe amazon rainforest


  3. (T/F) chalk and coquina are types of coalfreshwater swamps


  4. (T/F) very fined-grained, iron oxide particles account for nearly all read, yellow and brown soil colorstrue


  5. conglomerateGravel