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Text File  |  1992-09-04  |  275b  |  10 lines
  1. The crust is the outermost part of the
  2. structure of Earth, consisting of two 
  3. distinct parts, the oceanic crust and the
  4. continental crust. The oceanic 
  5. crust is on average about 10km (6.2 miles)
  6. thick and consists mostly of 
  7. basaltic types of rock.
  8.  
  9. Subject by: Mervin Dykes
  10.