Ricardo Varela

Genomic evidence for the Pleistocene and recent population history of Native Americans

Maanasa Raghavan, Matthias Steinrücken, Kelley Harris et al. · Science · 2015 · 564 citations · Full text

Ancient genomes link early farmers from Atapuerca in Spain to modern-day Basques

Torsten Günther, Cristina Valdiosera, Helena Malmström et al. · Proceedings of the National Academy of Sciences · 2015 · 294 citations · Full text

Early Paleozoic orogenic belt of the Andes in southwestern South America: Result of Laurentia-Gondwana collision?

Luís Dalla Salda, Carlos Alberto Cingolani, Ricardo Varela · Geology · 1992 · 222 citations · Full text

30 million years of Permian volcanism recorded in the Choiyoi igneous province (W Argentina) and their source for younger ash fall deposits in the Paraná Basin: SHRIMP U–Pb zircon geochronology evidence

A. C. Rocha-Campos, Miguel Ângelo Stipp Basei, Allen P. Nutman et al. · Gondwana Research · 2010 · 206 citations

Permian Volcanism, Engineering, Precambrian Geology +8

Did the Taconic Appalachians continue into southern South America?

Luis Hugo Dalla Salda, Ian W. D. Dalziel, Carlos Alberto Cingolani et al. · Geology · 1992 · 141 citations · Full text