ABSTRACT
Section from Illapel to Combarbala; Gypseous formation with silicified wood – PanuncUlo – Coquimbo; mines of Arqueros; section up valley; fossils – Guasco, fossils of – Copiapo section up valley; Las Amolanas, silidfied wood, conglomerates, nature of former land, fossils, thickness of strata, great subsidence – Valley of Despoblado, fossils, tufaceous deposit, complicated dislocations of- Relations between ancient orifices of eruption and subsequent axes of injection – Iquique, Peru, fossils of, salt-deposits – Metalliferous veins – Summary on the Porphyritic conglomerate and Gypseous formations – Great subsidence with partial elevations during the Cretaceo-oolitic period – On the elevation and structure of the Cordillera – Recapitulation on the Tertiary series – Relation between movements of subsidence and volcanic action – Pampean formation -Recent elevatory movements – Long-continued volcanic action in the Cordillera- Conclusion.
