Thrust fault and drag fold of thin-bedded limestone of the Nantoco formation about 50 m below the Gamma Member, Quebrada de Las Penas. Height of the cliff immediately underlying the fault plane is 3 to 8 m. Atacama Province, Chile.n.d. Figure 70.5 in U.S. Geological Survey. Professional paper 450-C. 1962. Professional Paper-0450

Digital File:sk000552

ID. Segerstrom, K. 552