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5 Written questions

5 Matching questions

  1. the start or end of most of the named periods of the geologic time scale ( triassic) is identified by major geologic events ( advances of glaciers) and/or by ____ events
  2. what term typically describes the soil horizon that is weathered but resembles the unweathered rock on which it lies
  3. _____ a common mineral found in igneous rocks, is the most abundant mineral in detrital sedimentary rocks
  4. what portion of an angular, fracture-bounded granitic block shows the highest rate of weathering?
  5. which of the following is not a chemical sedimentary rock
  1. a sandstone
  2. b Quartz
  3. c the edges and corners
  4. d saprolite
  5. e major biological extinction

5 Multiple choice questions

  1. permian
  2. the amazon rainforest
  3. Argon 40
  4. bedding planes
  5. Gravel

5 True/False questions

  1. In which setting would regional metamorphism be most likelyslate


  2. clay minerals formed from gabbro or diorite bedrock illustrate which kind of weatheringChemical


  3. which of the following is/are most susceptible to chemical weathering by dissolutioninvolves a major change in the mineral composition of the weathered material


  4. which one of the following is an important, mechanical weathering process for enlarging fractures and extending them deeper into large boulders and bedrock.involves a major change in the mineral composition of the weathered material


  5. the half life of radioactive isotope "x" is two and is 200 million years is one half life . therefore, the age of the feldspar crystal is___ million years400


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