Barr, Sandra M., Susan C. Johnson, Greg R. Dunning, Chris E. White, Adrian F. Park, Markus Wälle, and Amanda Langille. “New Cryogenian, Neoproterozoic, and Middle Paleozoic U–Pb Zircon Ages from the Caledonia Terrane, Southern New Brunswick, Canada: Better Constrained But More Complex Volcanic Stratigraphy”. Atlantic Geology 56 (July 9, 2020): 163–187. Accessed February 25, 2021.