Question

what represent a long period when deposition stop erosion occurred and deposition resume​

Answer 1

Answer:     Represents a long period during which deposition stopped, erosion removed previously formed rocks, and then deposition resumed. An angular unconformity indicates that during the pause in deposition, a period of deformation (folding or tilting) and erosion occurred.

Explanation:

Answer 2

$\large\rm{An\:angular\: unconformity\:indicates\:that\: during\:the\:pause\:in\: deposition}$