Goldberg, S. A., Butler, J. R., & Fullagar, P. D. (1986). The Bakersville dike swarm; geochronology and petrogenesis of late Proterozoic basaltic magmatism in the southern Appalachian Blue Ridge. American Journal of Science, 286(5), 403–430. https://doi.org/10.2475/ajs.286.5.403