HETEROGENEITIES OF SUBCONTINENTAL LITHOSPHERIC MANTLE AT THE SOUTHERNMOST OF SOUTH-AMERICAN PLATE: INFLUENCE OF PRESENT SUBDUCTION AND LITHOSPHERE-ASTENOSPHERE INTERACTIONS UNDER THE PALI AIKE VOLCANIC FIELD

• Published in: Pesquisas em Geociências
• Main Authors: GERVASONI, Fernanda, CONCEIÇÃO, Rommulo V., JALOWITZKI, Tiago L. R., SCHILLING, Manuel E., ORIHASHI, Yuji, NAKAI, Shun'ichi, SYLVESTER, Paul
• Format: Article in Journal/Newspaper
• Language: Portuguese
• Published: Instituto de Geociências /Universidade Federal do Rio Grande do Sul 2012
• Subjects: Pali Aike; xenólitos mantélicos; manto litosférico subcontinental; metassomatismo; subducção; fluidos astenosféricos; mantle xenoliths; subcontinental lithospheric mantle; metasomatism; subduction; asthenospheric fluids; Sob’; Antarc*; Antarctica; Siberia
• Online Access: https://seer.ufrgs.br/index.php/PesquisasemGeociencias/article/view/37388

The Pali Aike Volcanic Field is located in southern South America where there is a complex tectonic system due to interactions between the Nazca, Antarctica and Scotia oceanic plates with the South-American continental plate, and due to the proximity of the Chile ridge (Chile Triple Junction). This...