 The basin contains thick (locally up to 12 km) marine and non-marine sedimentary rocks which were deposited from the late Paleoproterozoic to the early Mesoproterozoic (1800-1430 Ma).The basin also contains some volcanic rocks and related intrusive igneous rocks.The McArthur Basin hosts the world-class McArthur River mine (HYC) zinc-lead-silver deposit (not to be confused with McArthur River mine in Canada) and several smaller mineral and diamond deposits.