Palinomorfos continentales del Paleógeno de las formaciones Chorrillo Chico y Agua Fresca, Punta Prat, Región de Magallanes, Chile

by Carrillo-Berumen,Rosa, Quattrocchio,Mirta E, Helenes,Javier
Published 2013

Biochronostratigraphy and paleoenvironment analysis of Neogene deposits from the Pelotas Basin (well 2-TG-96-RS), Southernmost Brazil

by SILVA,WAGNER G., ZERFASS,GEISE S.A., SOUZA,PAULO A., HELENES,JAVIER
Published 2015

Stratigraphy and structure of the Altar basin of NW Sonora: Implications for the history of the Colorado River delta and the Salton trough

by Pacheco,Martín, Martín-Barajas,Arturo, Elders,Wilfred, Espinosa-Cardeña,Juan Manuel, Helenes,Javier, Segura,Alberto
Published 2006

Paleoceanographic and paleoclimatic reconstruction based on marine palynomorphs in the period 1811-1907 CE in the Magdalena Basin, Baja California Sur, Mexico

by López-Velázquez,Laura Cristina, Helenes,Javier, Flores-Trujillo,Juan Gabriel, Ruiz-Fernández,Ana Carolina, Sanchez-Cabeza,Joan Albert
Published 2019

Paleoecología y cronoestratigrafía de las diatomeas del Miembro Los Indios en la Mesa La Misión, del Mioceno de Baja California, México

by Salinas Márquez,Fernando Manuel, Flores Trujillo,Juan Gabriel, Helenes,Javier, Téllez Duarte,Miguel Agustín, Aranda Manteca,Francisco Javier
Published 2016