Gastil, Gordon, Joan Kimbrough, Maasaki Shimizu, and Yoshiaki Tainosho. “Origin of the Magnetite Boundary in the Peninsular Ranges Batholith, Southern California, U.S.A., and Baja California, Mexico”. Revista Mexicana de Ciencias Geológicas 11, no. 2 (February 14, 2019): 157–167. Accessed April 19, 2025. https://rmcg.geociencias.unam.mx/index.php/rmcg/article/view/1181.