Bol. geol. - vol.41 issue1

Table of contents
bol.geol. vol.41 no.1 Bucaramanga Jan./Apr. 2019

Editorial

	· Editorial Mantilla Figueroa, Luis Carlos · text in Spanish · Spanish ( pdf )

Scientific articles

	· Petrographic study and possible sources of the San Cayetano formation basal clasts to the south of the San Jacinto fold belt, north of Colombia Silva-Arias, Alejandro; Páez-Acuña, Liliana Andrea; Gómez-Gutiérrez, Pedro David; Rincón-Martínez, Daniel Andrés · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Petrography, geochemistry and U-Pb geochronology of volcanic and pyroclastic rocks of the Noreán Formation in the NW of the Santander Massif, Colombia Correa-Martínez, Ana María; Rodríguez, Gabriel; Arango, María Isabel; Zapata-García, Gilberto · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Petrography, geochemistry and zircon U/Pb geochronology in igneous and metamorphic rocks, Cuiarí River, south of Guainía department, Colombia Bonilla, Amed; Cramer, Thomas; Poujol, Marc; Cano, Haroold; Franco, José Alejandro; Amaya, Zeze · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Structural control of barite and copper mineralization at the district of Caracolí and Camperucho, Cesar, Colombia Zuluaga, Amat D; Torrenegra, Wilfar; Lascarro, Frank · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Mineral chemistry of biotites in gneisses from the Rio Urubú Metamorphic Suite outcropping in the Serra Repartimento, Central Guyana Domain in the Amazonian Craton, Brazil: petrogenetic implications Ballesteros-Camaro, Carlos Andrés; Ríos-Guerrero, Johanna · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Renewed shallow seismicity in eastern Venezuela after the Cariaco July 1997 earthquake Audemard M, Franck A; Alvarado, Leonardo; Fernández, Aura; Romero, Gloria; Leal, Alejandra; Vásquez, Raquel; Rodríguez, José Antonio; Martínez, Alejandra; Barrios, Ivette · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Quantitative determination of heterogeneity in samples of rock type plug using X-ray computerized tomography Mendieta Penagos, Alejandro; Rincón Bautista, Luis R; Herrera Otero, Edwar · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· Geological contributions to the conceptual geothermal model in the region of the volcanoes Chiles - Cerro Negro (Colombia-Ecuador) García, Yohanna K.; Sánchez, John J. · abstract in English \| Spanish · text in Spanish · Spanish ( pdf )

	· The Santos Basin in Brazil: geology, exploration and production of oil and natural gas de Souza, Leonardo Silveira; Chaves Sgarbi, Geraldo Norberto · abstract in English \| Portuguese \| Spanish · text in Portuguese · Portuguese ( pdf )