At what depth or thickness of ice does glacial ice make the transition from brittle fracture to plastic flow?
A) 50 metres
B) 10 metres
C) 1 metre
D) 5 metres

Question

Quizplus · Accepted Answer

Glacial ice transitions from brittle fracture to plastic flow at a depth or thickness of about 50 metres. Below this depth, the pressure is high enough that ice deforms plastically rather than fracturing.

At What Depth or Thickness of Ice Does Glacial Ice