Question: After the formation associated to a period of crustal thining what amount of time did a long-lasting mountain building event occur?
Sentence (from "Trans-Hudson orogeny"): It gave rise to the Trans-Hudson orogen (THO), or Trans-Hudson Orogen Transect (THOT), (also referred to as the Trans-Hudsonian Suture Zone (THSZ) or Trans-Hudson suture) which is the largest Paleoproterozoic orogenic belt in the world.
Relevant evidence: No