fabric analysis

Cards (3)

  • Fabric is the texture and structure of rock. 
  • Glacial striations, drumlins and pebbles in till often show preferred orientation due to movement of ice sheet. 
  • Decide on sampling strategy  or site:
    • Measure compass orientations of pebbles or drumlins 
    • Group in 30 degree intervals 
    • Plot on a rose diagram