Guayaques
Encyclopedia
The 10-km-long Cerros de Guayaques chain of N-S-trending rhyodacitic
lava domes runs across the Chile
-Bolivia
border about 10 km. east of the Cerro Toco
- Purico Complex
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Rhyodacite
Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite. It is the extrusive equivalent of granodiorite. Phenocrysts of sodium rich plagioclase, sanidine, quartz, and biotite or hornblende are typically set in an aphanitic to glassy light to intermediate...
lava domes runs across the Chile
Chile
Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...
-Bolivia
Bolivia
Bolivia officially known as Plurinational State of Bolivia , is a landlocked country in central South America. It is the poorest country in South America...
border about 10 km. east of the Cerro Toco
Cerro Toco
Cerro Toco is a stratovolcano located in the eastern part of the Atacama desert in Chile's II Region , approximately south of the border between Bolivia and Chile and SE of the Juriques and Licancabur volcanoes...
- Purico Complex
Purico Complex
The Purico Complex is a pyroclastic shield located in the eastern part of the Atacama desert in Chile's II Region , approximately south of the Bolivia - Chile border...
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