 | | Report (issue) | | have rebuilt the present snow-covered cone of the volcano largely during the Holocene. il Contents 1...Northern Chile; An Ordovician Continental Volcanic Province .......... 0c cece cece cence eens K.-W. Damn...hornblende > muscovite > biotite > whole rock > plagioclase), the analytical error, and the percent atmospheric...data bearing on the development of a Mesozoic volcano-tectonic rift zone and back-arc basin in southernmost...proposed that the Tobifera Formation developed in a volcano-tectonic rift zone that directly preceded marginal |  | | Journal (article/letter/editorial) | | southern extension of the Altiplano of southern Peru, Bolivia, and northern Chile, is a high plateau whose base...Cenozoic volcanism in the Argentine Puna and southern Bolivia Altiplano plateau, in the Western Cordillera, and...Deposits from a recent eruption of the Lascar volcano (23° 22' S, 68° 34' W) show this pattern (see Glase...distal pyroclastic deposits derived from centers in Bolivia and northern Chile. In the Puna, the beginning...Recent—1.9 Tumisa 1.5 < 0.4 EILaco2.1 INNER ARC-BOLIVIA I 18°-25°S • ^ . VK Ignimbrites 5 2 - Morococala |  | | Report (issue) | | USA Jon J. Major U.S. Geological Survey Cascades Volcano Observatory 1300 SE Cardinal Court Vancouver, Washington...voluminous Acajutla debris avalanche from Santa Ana volcano, western El Salvador, and comparison with other...Payson Sheets . The acid volcanic lake of Santa Ana Volcano, El Salvador ..... 0.0.2 06 606 ee es Alain Bernard...carbon dioxide, radon, and mercury at San Miguel volcano, FEL SQIVAROT SES Ge. BON ea arcoe a) Ma Squid...Physical and chemical evolution of San Miguel volcano, El Salvador ..................-. Craig A. Chesner |  | | Book | | Nazca Plate I I I I \ \ ' l X''', * t I BOLIVIA \ *'*,*,\\ / \ \ \ I \ ~ _, ,,8 1 r I I...second smaller pu lse in the final fra1nc. This volcano, at 23°22'S, 67°44 'W, has been the most active...Altiplano to a summit elevation of 5592 m. The volcano en1pts through the thickest continental crust in...of staurolite, garnet, cJinopyroxene, calcic plagioclase and albite, the F 1 episode of metamorphism is...Calculation of metamorphic temperature from plagioclase- hornblende pairs from Irwin et al. (1988) suggest |
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