| Table of contents bol.geol. vol.40 no.1 Bucaramanga Jan./Apr. 2018 Editorial | | | | · Editorial
| | | Scientific articles | | | | · Apendicular remains of an ophthalmosaurid ichthyosaur from the lower Barremian of Villa de Leiva, Colombia Cortés, Dirley; Páramo-Fonseca, María Eurídice
| | | | · Geochemical correlation between oils and rocks of the petroleum system of the Santa Elena peninsula and the gulf of Guayaquil Lorenzo, Erica; Roca-Beltrán, Wladimir Andrés; Martínez, Manuel; Morato, Antonio; Escandón-Panchana, Paulo César; Álvarez-Domínguez, Cristian Paul
| | | | · Preliminary geochemical study of thermal waters at the Puracé volcano system (South Western Colombia): an approximation for geothermal exploration Gómez-Díaz, Esteban; Marin-Cerón, Maria Isabel
| | | | · Petrology of Acandí´s Batholith and associated bodies in Unguía, Chocó, Colombia Sánchez-Celis, Diana; Frantz, José Carlos; Charão-Marques, Juliana; Barrera-Cortés, Marcela
| | | | · Explosibility risk evaluation of the methane gas in coal underground mining, case Sinifaná basin, Colombia Ortega-Ramos, Camilo Andrés; Franco-Bonfante1, Triana Margarita; Blandón-Montes, Astrid; Molina-Escobar, Jorge Martín
| | | | · Geological, isotopic and structural characteristics of Los Mangos lode gold type deposit, Antioquia-Colombia Naranjo-Sierra, Edwin; Alvarán-Echeverri, Mauricio
| | | | · Possibilities for CO2 capture and storage (CCS) in Colombia - case Tauramena (Casanare) Mariño-Martínez1, Jorge Eliecer; Moreno-Reyes, Luisa Epimenia
| | | | · Geology and geochronology of the outcropping lithologies in the Mogotes-San Joaquín section (SW sector of the Santander Massif) Mantilla-Figueroa, Luis Carlos; García-Ramírez, Carlos Alberto
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