Originally Posted by MikeMike
One of the best emails I ever got was from SR when he sent me a geological service map for my favorite areas south southwest of Orizaba. That was damn near "map porn" it was so good to look at!
Those SGM (Servicios Geologicos Mexicanos) maps are public domain but I have them for most of Mexico already downloaded if anyone is interested. Plenty of evidence for Plate Tectonics there.