Doubts & Discussion › Category: Theory › structural 0 Vote Up Vote Down Abhishek asked 5 years ago In a strike slip fault how to determine whether the fault is dextral or sinistral and is the terms only related to faults? 1 Answers 0 Vote Up Vote Down GeoCon Staff answered 5 years ago This can be understood easily in this way. Stand on one plate facing the other. If the other plate appears to be moving to your right it is Dextral and if it appears to be moving towards your left it is Sinistral.