The "Argiles fissilaires," a series of opal-bearing rocks of Patagonia. American Museum novitates ; no.687

McCartney, George Chester.Simpson, George Gaylord, 1902-Ameghino, Florentino, 1853-1911.Scarritt Patagonian Expedition 1930-1931)2005-10-062005-10-061934http://hdl.handle.net/2246/38308 p. : ill. ; 24 cm.Includes bibliographical references.1029725 bytesapplication/pdfen-USQL1 .A436 no.687, 1934Petrology -- Patagonia (Argentina and Chile)Petrology -- Argentina.Geology, Stratigraphic -- Tertiary -- Patagonia (Argentina and Chile)Geology, Stratigraphic -- Tertiary -- Argentina.Geology -- Patagonia (Argentina and Chile)Geology -- Argentina.The "Argiles fissilaires," a series of opal-bearing rocks of Patagonia. American Museum novitates ; no.687text