Barr, Sandra M., et al. “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 Geoscience, vol. 56, July 2020, pp. 163-87, doi:10.4138/atlgeol.2020.007.