71º 30’ 71º 00’ 70º 30’ W
16º00 S
16º30’
PETROLOGY OF THE 2006-2007 TEPHRAS FROM UBINAS VOLCANO, SOUTHERN PERU
Marco RIVERA (1,2), Marie-Chistine GERBE (3), Alain GOURGAUD (1), Jean-Claude THOURET (1),
Hervé MARTIN (1), Jean-Luc LE PENNEC (1), & Jersy...
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71º 30’ 71º 00’ 70º 30’ W
16º00 S
16º30’
PETROLOGY OF THE 2006-2007 TEPHRAS FROM UBINAS VOLCANO, SOUTHERN PERU
Marco RIVERA (1,2), Marie-Chistine GERBE (3), Alain GOURGAUD (1), Jean-Claude THOURET (1),
Hervé MARTIN (1), Jean-Luc LE PENNEC (1), & Jersy MARIÑO (2)
1.
IRD and Laboratoire Magmas et Volcans, Université Blaise-Pascal, 5 rue Kessler, 63038 Clermont-Ferrand,
France.
mrivera@opgc.
univ-bpclermont.
fr
2.
INGEMMET, Dirección de Geología Ambiental.
Av.
Canadá 1470, San Borja, Lima-Peru
3.
Université Jean Monnet, UMR 6524 CNRS, 22 rue Paul Michelon, 42023 Saint Etienne, France
Keywords: Ubinas, vulcanian eruption, lava, tephra, petrography, mineralogy, geochemistry.
INTRODUCTION
Ubinas volcano (16º 22 S, 70º 54 W) is located in the Quaternary volcanic range in southern Peru, ~60 km east
of Arequipa city (Fig.
1).
Ubinas is historically the most active volcano in southern Peru with 24 volcanic
events (VEI 1-3) recorded since 1550 AD (Hantke and Pa
Less
