| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 108, 160, 178, 216, 249 Regis, A.J. & L.B. Sand (1967), Lateral gradation of chabazite to herschelite in the San Simon basin (abstract), in S.W. Baily (editor), Clays and clay minerals. Proc. 15th. National Conference Clays and Clay Minerals: 193. Sand, L.B. & A.J. Regis (1966), An unusual zeolite assemblage, Bowie, AZ (abstract), Geol. Soc. Amer. Spec. Paper 87 |
Horseshoe Dam area, Maricopa County, Arizona, USA