Vol. 32 No. 2 (2015)

Vol. 32 No. 2 (2015)

Published January 4, 2018
https://doi.org/10.22201/cgeo.20072902e.2015.2
Issue Description

Cover image:
View to the NW of Sierra de la Giganta, from the road to Agua Verde, Baja California Sur. The sierra is made up of rocks of the early to late Miocene Comondú Group, mainly massive andesitic breccias, conglomerate and sandstone, with subordinate volumes of domes, lava flows and dikes. Photo: Teresa Orozco.

Covers

Covers, Revista Mexicana de Ciencias Geológicas, vol. 32, num. 2, August 2015
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Regular Papers

Correlation and Ar-Ar geochronology of the Cretaceous basement and the upper Eocene - Miocene (lower Aquitanian) sedimentary filling of the Tumaco forearc basin, southwest Colombia
Sebastián Echeverri, Agustín Cardona, Andrés Pardo-Trujillo, Carlos Borrero, Sebastián Rosero, Sergio López
179-189
https://doi.org/10.22201/cgeo.20072902e.2015.2.572
PDF (Español (España)) Suplemento electrónico (Español (España))
Localized seismicity in the San Rafael block area, Argentina
Marianela Nadia Lupari, Silvana Liz Spagnotto, Silvina Valeria Nacif, Graciela Yacante, Héctor Pedro Antonio García, Federico Lince-Klinger, Marcos Ariel Sánchez, Enrique Triep
190-202
https://doi.org/10.22201/cgeo.20072902e.2015.2.575
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Cenozoic seismites and soft-sediment deformation structures in the Losero Formation, southern Sierra de Guanajuato, Mexico
María Jesús Puy-Alquiza, Raúl Miranda-Avilés, Gabriela Ana Zanor, Ma. Mercedes Salazar-Hernández, Ma. del del Carmen Salazar-Hernández
203-218
https://doi.org/10.22201/cgeo.20072902e.2015.2.576
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Petrography, geochemistry and geochronology of the orogenic magmatism in Rayón: petrological characteristics of the last subduction-related magmas in Sonora, Mexico
Alejandra Marisela Gómez-Valencia, Jesús Roberto Vidal-Solano, Margarita López-Martínez, Ricardo Vega-Granillo, Carlos Pallares
219-238
https://doi.org/10.22201/cgeo.20072902e.2015.2.577
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Structural analysis of the La Colorada Mine, Sonora, Mexico
Ricardo Vega-Granillo, Víctor Hugo Vázquez-Armenta, Alberto Orozco-Garza, Jesús Roberto Vidal-Solano
239-253
https://doi.org/10.22201/cgeo.20072902e.2015.2.578
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Hydrothermal alteration of volcanic rocks hosting the Late Jurassic- Early Cretaceous San Nicolás VMS deposit, southern Zacatecas, Mexico
Luis F. Vassallo, José Jorge Aranda-Gómez, José Gregorio Solorio-Munguía
254-272
https://doi.org/10.22201/cgeo.20072902e.2015.2.579
PDF Suplemento electrónico
Paleoenvironment of the Central Depression of Chiapas, based on stable carbon and oxygen isotopes
Víctor Adrián Pérez-Crespo, Gerardo Carbot-Chanona, Pedro Morales-Puente, Edith Cienfuegos-Alvarado, Francisco J. Otero
273-282
https://doi.org/10.22201/cgeo.20072902e.2015.2.580
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Fossil-diagenetic modifications in Toxodon platensis Owen, 1837 (Notoungulata, Toxodontidae) from the Late Pleistocene of Corrientes Province, Argentina
Rodrigo L. Tomassini, Ángel R. Miño-Boilini, Alfredo E. Zurita, Claudia I. Montalvo, Nora Cesaretti
283-292
https://doi.org/10.22201/cgeo.20072902e.2015.2.582
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Kimmeridgian pliosaurids (Sauropterygia, Plesiosauria) from Tlaxiaco, Oaxaca, southern Mexico
Jair Israel Barrientos-Lara, Marta S. Fernández, Jesús Alvarado-Ortega
293-304
https://doi.org/10.22201/cgeo.20072902e.2015.2.583
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SPECIAL SECTION, 50±1σ years of Geochronology in México

K-Ar illite-mica age constraints on the formation and reactivation history of the El Doctor fault zone, central Mexico
Diana Elizabeth Garduño-Martínez, Teresa Pi Puig, Jesús Solé, Michelangelo Martini, Jorge René Alcalá-Martínez
306-322
https://doi.org/10.22201/cgeo.20072902e.2015.2.584
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Isotope geochronology and vertebrate paleontology in Mexico: Panorama and critical appraisal
Ismael Ferrusquía-Villafranca, José E. Ruiz-González
323-342
https://doi.org/10.22201/cgeo.20072902e.2015.2.585
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SPECIAL SECTION, The Cretaceous-Paleogene transition

Palaeoenvironmental, palaeoecological and palaeobiogeographical implications of mixed fresh water and brackish marine assemblages from the Cretaceous-Palaeogene Deccan intertrappean beds at Jhilmili, Chhindwara District, central India
Ashu Khosla
344-357
https://doi.org/10.22201/cgeo.20072902e.2015.2.586
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