Keywords: Chiquimula Volcano.jpg The Chiquimula volcanic field occupies a fault-bounded basin underlain by light-colored Cretaceous plutonic rocks in the Chiquimula Valley of SE Guatemala http //www volcano si edu/world/volcano cfm vnum 1402-20- volpage photos photo 077064 1999 Giuseppina Kysar Smithsonian Institution PD PD-USGov Volcanoes of Guatemala Cinder cones 1999 in Guatemala |