- Westernmost belt - western 25% of Complex
- Youngest - dated at 40 - 100 Ma
- Composed mainly of graywackes, sandstones, and chert
- Least metamorphosed - low-grade blueschist
faces such as laumonite and prehnite-pumpellyite
- Presence of widespread imbricate (thrust sheet) faulting
- Deposited in a deep sea setting, still close to continent
