Morgan Poliquin, Almaden's President & Director of Exploration, has written several in depth essays on the geology of some of our properties. All reports open as PDFs.   Ixtaca Zone Low-sulphidation epithermal gold-silver & the Ixtaca Zone Tuligtic Project Executive Summary of the Tuligtic Property Fuego Project Low Sulphidation Epithermal Quartz-Andularia Gold Silver & the Fuego Project Mexico Caballo BlancoExplanation of High-Sulphidation Deposits & the Caballo Blanco Project