Vol. 43 No. 2 (2026) | Revista Mexicana de Ciencias Geológicas

Revista Mexicana de Ciencias Geológicas, vol. 43, num. 2, August 2026

Cover image:

Photomicrograph of a cluster of two–phase inclusions along a microfracture in quartz associated with Late Cretaceous porphyry Cu–Mo mineralization at the La Colorada mine, Sonora, Mexico. Photograph: Cristal Palafox-Luna. See the related paper by Valencia Moreno et al. in this issue.

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Revista Mexicana de Ciencias Geológicas. Vol. 43, num. 2, August 2026

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Regular Papers

Determination of the effective storage of CO2 at Coyula seismic block level in the Tampico-Misantla province

Erik Medina, Gilles Levresse, Cesar A. Cortes-Prado, Mariano Cerca, Jaime Carrera-Hernandez, Berengere Mougel

88–101

https://doi.org/10.22201/igc.20072902e.2026.2.1900

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Stratigraphic revision of the Novillo and Olvido formations in northeastern Mexico

Samuel Eguiluz y de Antuñano, Jerjes Rigoberto Pantoja-Irys

102–121

https://doi.org/10.22201/igc.20072902e.2026.2.1921

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Influence of Nevado de Toluca’s volcanic activity on the karst development of the Cacahuamilpa area, Guerrero, Mexico

Ramón Espinasa-Pereña

122–139

https://doi.org/10.22201/igc.20072902e.2026.2.1911

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Xenarthrans from Sistema Calera Cave, Mexico, and radiocarbon and stable isotope analyses of the cave fauna

H. Gregory McDonald, Mário A.T. Dantas, Ramón Espinasa-Pereña, Luis Espinasa

140–160

https://doi.org/10.22201/igc.20072902e.2026.2.1926

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Phytolith pool in soils affected by different land use in southeastern pampean region, Argentina

Micaela Paolicchi, Margarita Osterrieth, Mariana Fernández Honaine

161–173

https://doi.org/10.22201/igc.20072902e.2026.2.1898

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SPECIAL SECTION: The Estación Regional del Noroeste: 50 years of UNAM presence in northwestern Mexico

Potentially toxic elements and Pb isotope data of regional food from the Sonoran River basin: Tracing the nature of the sources

Diana Romo-Morales, Verónica Moreno-Rodríguez, Shelby Shelby, René Loredo-Portales, Inocente Guadalupe Espinoza-Maldonado, Martín Valencia-Moreno, Verónica López-Teros, Francisco Eduardo Salas-Beyliss, Rafael Del Rio-Salas

174–187

https://doi.org/10.22201/igc.20072902e.2026.2.1919

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The La Colorada mine, Sonora, Mexico: An Oligo–Miocene Au–Ag epithermal system overprinting a Late Cretaceous porphyry Cu–Mo deposit

Martín Valencia-Moreno, Lucas Ochoa-Landín, Rafael Del Rio-Salas, Cristal Palafox-Luna, Jason Kirk

188–197

https://doi.org/10.22201/igc.20072902e.2026.2.1929

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