Vol 52, No 2 (2025) (Preview)

Table of Contents

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Study of the Abitagua Batholith in the Sub-Andean zone of Ecuador, using velocity models from seismic tomography
Dennys Chalco, Sebastián Araujo, Santiago Balcázar Loaiza, Mario Ruiz
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Assessing permafrost structures in headwater aquifers: an example from the Ojos del Salado massif, Andes mountains
Sebastián Ruiz-Pereira, Sarah Leray, Etienne Marti, Eneko Beriain, Francisco Suárez, Gonzalo Yáñez, Balázs Nagy
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Curie isotherm in Central Chile: gradient and geothermal flow analysis in the continental zone
David Cáceres Araya
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Petrography and provenance of the Grupo Morro Solar sandstones (upper Berriasian-Valanginian) of Lima (77°01’W, 12°10’S): Geodynamic and paleogeographic implications
Aldo A. Alvan, Astrid H. Criales, Augusto Bernuy
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Biostratigraphic implications of Kallidontus nodosus Pyle and Barnes in the Ordovician of the Eastern Cordillera, Argentina
Gustavo G. Voldman, N. Emilio Vaccari
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Multi-proxy analysis of the Cuyo and Lotena groups in the Picún Leufú sub-basin Patagonia, Argentina
Amira Chalabe, Marcelo Adrián Martínez, Daniela Elizabeth Olivera, Carlos Zavala, Leticia Lescano
Microscopy analysis of garnet from a metamorphic rock of the Santander Massif´s crystalline basement, Eastern Cordillera (Colombian Andes): Morphology as evidence of nucleation and growth
CARLOS CHACÓN, CAROLINA LUNA, CARLOS RIOS, OSCAR CASTELLANOS, HUGO ESTUPIÑAN, CARLOS ZULUAGA, CAROLINA JIMENEZ