RT Journal Article T1 Caracterización diagenètica de la Formación La Luna, en la sección de la Quebrada Chiriría, Estado Táchira, Venezuela T1 Diagenetic characterization of Luna Formation in the Quebrada Chiriría section, Táchira State, Venezuela A1 Dos Santos, D. A1 Zapata, Eglee A1 Soto González, Gilberto A1 Padrón, Victor AB La Luna Formation in the Quebrada Chiriría section is constituted by calcareous shales and limestones of dark colors with siliceous and phosphatic intervals. This paper is based on a diagenetic study of thin sections (196) through microscope of polarized light supported by electronic microscopy (BSE, SE) and geochemical tools (CaC03, COT, 5I80, <5I3C and elementary relationships) PB Sociedad Geológica de España YR 2002 FD 2002 LK http://hdl.handle.net/10272/9096 UL http://hdl.handle.net/10272/9096 LA spa DS Repositorio Institucional de la Universidad de Huelva RD 30 may 2026