Barr, S. M., Mortensen, J. K., White, C. E., & Friedman, R. M. (2010). Age and petrology of the Machias Seal Island quartz monzodiorite, the southernmost rocks in New Brunswick, Canada. Atlantic Geoscience, 46, Pages 155 – 172. https://doi.org/10.4138/atlgeol.2010.009