Major faults (5)
I believe the answer is:
rifts
(Other definitions for rifts that I've seen before include "Clefts or fissures." , "differences ..." , "Clefts in earth, or disagreements" , "Breaks, severances" , "Schisms" .)
I believe the answer is:
rifts
(Other definitions for rifts that I've seen before include "Clefts or fissures." , "differences ..." , "Clefts in earth, or disagreements" , "Breaks, severances" , "Schisms" .)