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5 Written questions

5 Matching questions

  1. (T/F) Carbon-14 has a long half-life, making it useful for dating Mesozoic age-rocks
  2. 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 years
  3. which one of the following is an important, mechanical weathering process for enlarging fractures and extending them deeper into large boulders and bedrock.
  4. In which setting would regional metamorphism be most likely
  5. the age of the boundary between the end of the Mesozoic (cretaceous period) and the beginning of the Cenozoic (tertiary period) is ____ million years before present
  1. a at great depths in the crust where two continents are colliding
  2. b 400
  3. c 65 million years
  4. d frost wedging (CHECK)
  5. e false

5 Multiple choice questions

  1. surface area
  2. sedimentary rocks
  3. sand
  4. two
  5. the edges and corners

5 True/False questions

  1. ( T/F) granite pebbles in sandstone and conglomerate resting on the granite suggest the the granite intruded the sedimentary bedsFalse

          

  2. which environment has the best conditions to enhance weatheringpressures are fairly low, the rock is in the upper part of the crust, and heat is supplied from a nearby magma body

          

  3. the major extinction that gave rise to the dinosaurs and occurred about 250 million years ago occurred at the end of what geologic periodpermian

          

  4. Lithification of sedimentary rocks typically requires _____ and _____Quartz Si02

          

  5. flat surfaces along which sedimentary rocks tend to separate or break are calledbedding planes

          

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