Explorations and field-work of the Smithsonian Institution in .. . This small open pit about 75 by 120 feetand about 30 feet deep has yielded and still yields truly magnificentspecimens of sulfates and chloride of iron and copper. To the east of Chuquicamata and Calama rise the volcanic peaksthat mark the frontier of Chile and Bolivia and Chile and the Ar-gentine. Among these peaks that rise to over 20,000 feet are salt plainscalled salars. Many of these salars carry high percentages of going from Calama to Ollagua one passes the town of deserted borax works at this stati
Explorations and field-work of the Smithsonian Institution in .. . This small open pit about 75 by 120 feetand about 30 feet deep has yielded and still yields truly magnificentspecimens of sulfates and chloride of iron and copper. To the east of Chuquicamata and Calama rise the volcanic peaksthat mark the frontier of Chile and Bolivia and Chile and the Ar-gentine. Among these peaks that rise to over 20,000 feet are salt plainscalled salars. Many of these salars carry high percentages of going from Calama to Ollagua one passes the town of deserted borax works at this station once supplied the worldmarket. The entire output of this fleposit was hauled in oxen cartsover 200 kilometers to the coast in the early days. Beyond Cebollarone comes to the Chilian frontier town of Ollagua, nestling amongtowering volcanoes, some of which smoke continuously. To the south-west of the town is the great mass of Cerro Auncanquilcha. The sum-mit of this volcano is covered with a thick mantle of sulfur that is SMITHSONIAN KXILORATIONS, I (;,^ =^ 17. Fig. 15.—The n\)tn pit of the Mina Quetcua, a Miiall iniiu that lias yieldedmany fine specimens of sulfate minerals.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectscienti, bookyear1912
