Geological engineering Crossword

1234567
Across
  1. 1. this survey can be used to determine how deep magnetized rocks are buried
  2. 5. The neutron log measures what property of the rock
  3. 6. A high GR value is indicative of which rock type
  4. 7. wireline log can be used to determine the size of the hole
Down
  1. 2. the earliest gravitational instrument
  2. 3. Resistivity logs make use of the fact that as the salinity in the formation increases, its resistance_______________
  3. 4. the survey below give explorationists the most precise details on the formations beneath the surface