Bol. geol. - vol.43 issue1

Table of contents
Bol. geol. vol.43 no.1 Bucaramanga Jan./Apr. 2021

Editorial

	· Editorial · text in Spanish · Spanish ( pdf )

Scientific articles

	· The carbonate platform of the Upper Tibasosa Formation, Lower Cretaceous, Eastern Cordillera Basin, Firavitoba- Boyacá, Colombia Gómez-Neita, Juan Sebastián; Santos da Silva, Pedro Augusto; Garzón-Rojas, Laura Estefania; Patiño-Ballesteros, Luz Angie; Barrantes, Laura Alexandra; Evangelista-Nogueira, Anna Andressa · abstract in English \| Spanish · text in English · English ( pdf )

	· Geological evaluation of La Luna Formation at the Matanza area (west Santander Massif, Colombia) Patarroyo-Camargo, German David; Alarcón-Gómez, Carlos Mario; Torres-Parada, José Manuel; Díaz-Villamizar, Jefferson Steven; Gómez-Coronado, Juan Sebastián; Márquez-Prada, José Javier; Pontón-Parada, Liz Andrea; Barragán-Martinez, Diana Marcela · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Petrography and geochemistry of the pyroclastic and effusives rocks of the Bocas Formation (Upper Triassic - Lower Jurassic) and effusives of the Nogontova Formation (Santander Massif, Colombia) Toro-Toro, Luz Mary; Cardona-Ríos, John Jairo; Moreno-Sánchez, Mario; Gómez-Cruz, Arley de Jesús · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Evidence of low grade metamorphism and petrographic characterization of the El Hígado Formation, South of Huila, Colombia Rodríguez-Esquivel, Carlos Ernesto; Sánchez-Quiñónez, Carlos Alberto · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Mineralogy and U/Pb ages of rutile-(Nb,Ta) related to cassiterite, and columbite from Mesoproterozoic rocks of the Amazonian Craton near Cachicamo, Colombia Franco, Jose Alejandro; Cramer, Thomas; Bonilla, Amed; Castañeda, Antonio Jose; Poujol, Marc; Amaya, Zeze · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Evaluation of precious metals (Au and Ag) at the oxidation zone northwest of Artemisa (Cuba) Pérez-Vázquez, Ramón Guillermo; Martín-Lago, Roniel · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Chemical classification and geothermometric of sulfides from the Pilar Mine gold deposit (Greenstone Belt, Quadrilátero Ferrífero, Brazil) Ríos-Guerrero, Johanna; Ballesteros-Camaro, Carlos Andrés · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Application of the wavefield illumination method in a subthrust model in the Upper Magdalena Basin (Colombia) Chajín, Patricia; Camacho, Germán; Herrera, Edwar · abstract in English \| Spanish · text in English · English ( pdf )

	· Double landslide susceptibility assessment based on artificial neural networks and weights of evidence Goyes-Peñafiel, Paul; Hernandez-Rojas, Alejandra · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Photoelectric factor (PEF) inferences in well logs with machine learning Pardo-Díaz, Mauro Felipe; Vargas-Jimenez, Carlos Alberto · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )