Concretions of gypsum, at Iquique. —in sandstone at S. Cruz. —in tufaceous tuff of Chiloe. —in gneiss. —in claystone-porphyry at Port Desire. —in gneiss at Valparaiso. —in metamorphic rocks. —of anhydrite. —relations of, to veins.
Conglomerate claystone of Chile. —of Tenuyan. —of the Cumbre Pass. —of Rio Claro. —of Copiapo.
Cook, Captain, on form of sea-bottom.
Copiapo, elevation of. —tertiary formations of. —secondary formations of.
Copper, sulphate of. —native, at Arqueros. —mines of, at Panuncillo. —veins, distribution of.
Coquimbo, elevation and terraces of. —tertiary formations of. —secondary formations of.
Corallines living on pebbles.
Cordillera, valleys bordered by gravel fringes. —basal strata of. —fossils of. —elevation of. —gypseous formations of. —claystone-porphyries of. —andesitic rocks of. —volcanoes of.
Coste, M., on elevation of Lemus.
Coy inlet, tertiary formation of.