What is the Meguma Zone in Nova Scotia (and similar rocks beneath the more southerly, continental shelf off the US eastern seaboard)thought to represent?
A)passive margin sequence from Gondwanaland as the Iapetus Ocean closed
B)passive margin sequence from Rodinia's rifted margin
C)Ordovician accretionary melange from the Taconic orogeny
D)Cretaceous and Tertiary shallow continental shelf deposits from North America's passive margin

Question

Quizplus · Accepted Answer

The Meguma Zone in Nova Scotia and similar rocks beneath the continental shelf off the US eastern seaboard are thought to represent a passive margin sequence from Gondwanaland as the Iapetus Ocean closed. This interpretation is based on the geological history and the types of rocks found in this area, which are consistent with the processes and environments associated with the closing of an oceanic basin and the formation of a passive continental margin.

What Is the Meguma Zone in Nova Scotia (And Similar