Delunel, Romain Long term low latitude and high elevation cosmogenic 3He production rate inferred from a 107 ka-old lava flow in northern Chile; 22°S-3400 m a.s.l. - Amsterdam Elsevier July 2016 - pp. 71-87 ilus. Subjects--Topical Terms: CRONOLOGIAELEMENTOS COSMOGENICOSHELIO-3VOLCANES Subjects--Geographic Terms: CHILESAN PEDRO, VOLCAN