ELEMENTAL PROFILE OF PATAGONIAN PLANTS AFTER PUYEHUE´S VOLCANIC ERUPTION

LAMELA, P.A.; SOTOMAYOR, V.; PEREZ, R.D; BONGIOVANNI G. A.

Campinas

Workshop; XXIII Reuniao Anual de Usuários; 2013

Brazilian Synchrotron Light Laboratory

During the eruptions of Cordon Caulle fissure (Puyehue- Cordon Caulle region) occurred in June 4th (2011), ashes were launched more than 6 miles (10 km) into the atmosphere. Strong winds heading east pushed millons tons of ashes, sand and pumice from de volcanic complex toward the Patgonian region. In order to analyze the transference of volcanic elements from ashes to biota, a multielemental analysis was performed in Northern Patagonia´s exposed plants as well as their fruit and seeds. The plants were collected between the years 2009, 2011 and 2012 allowing us to compare elemental composition before and after volcanic eruption