Delamination of Southern Puna Lithosphere Revealed by Body Wave Attenuation Tomography
Originally published as: Liang, X., Sandvol, E., Kay, S., Heit, B., Yuan, X., Mulcahy, P., Chen, C., Brown, L., Comte, D., Alvarado, P. (2014): Delamination of southern Puna lithosphere revealed by body wave attenuation tomography. - Journal of Geophysical Research, 119, 1, p. 549-566. DOI: http://doi.org/10.1002/2013JB010309 PUBLICATIONS Journal of Geophysical Research: Solid Earth RESEARCH ARTICLE Delamination of southern Puna lithosphere revealed 10.1002/2013JB010309 by body wave attenuation tomography Key Points: Xiaofeng Liang1,2, Eric Sandvol2, Suzanne Kay3, Benjamin Heit4, Xiaohui Yuan4, Patrick Mulcahy3, • A piece of delaminated continental 3 3 5 6 lithosphere is imaged beneath south- Chen Chen , Larry Brown , Diana Comte , and Patricia Alvarado ern Puna 1 2 • A significant low-Q zone lies between Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China, Department of Geological Sciences, 3 the Nazca and South American University of Missouri, Columbia, Missouri, USA, Department of Earth and Atmospheric Science, Cornell University, Ithaca, lithosphere New York, USA, 4Deutsches GeoForschungsZentrum, Potsdam, Germany, 5AMTC-Departamento de Geofisica, FCFM, • Lateral variations of the low-Q zone Universidad de Chile, Santiago, Chile, 6Departamento de Geofisicay Astronomía, CONICET, Universidad Nacional de San reflect the possible mechanism conversion Juan, San Juan, Argentina Supporting Information: Abstract The southern Puna Plateau has been proposed to result from a major Pliocene delamination • Readme event that has previously been inferred from geochemical, geological, and some preliminary geophysical data. • Figure S1 fi – • Figure S2 Seventy- ve seismic stations were deployed across the southern Puna Plateau in 2007 2009 by scientists from the • Figure S3 U.S., Germany, Chile, and Argentina to test the delamination model for the region.
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