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Energy Sources, Part A: Recovery, Utilization and Environmental Effects(2)
Journal of South American Earth Sciences(1)
Organic Geochemistry(1)
Revista Colombiana de Quimica(1)
Revista de la Facultad de Ingenieria(1)
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Ciencias de la Tierra de América del Norte(1)
Ciencias de la Tierra de otras zonas(1)
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scopus(6)
Characterization of physicochemically abnormal coals in the matarere formation (Cerro Saroche National Park, Venezuela)
ArticleAbstract: Proximate and ultimate analyses, % Rm, vitrinite anisotropy, Rock-Eval Tmax, and biomarkers have beePalabras claves:Biomarkers, Cerro Saroche National Park, coal rank, organic petrography, vitrinite reflectanceAutores:Escobar M., Esteves I.H., Fortes-Garrido J.C., Gonzalo Márquez, Manuel Martínez, Moreno O., Ruggiero A.Fuentes:scopusDistribution of tiophenic organosulphur compounds in some venezuelan coals
ArticleAbstract: Some tiophenic organosulphur compounds (OSC) distribution in coal bitumen of four different localitiPalabras claves:Coal, Multivariate analysis, Organosulphur compounds (OSC), Sedimentary paleoenvironments, Thermal maturityAutores:Escobar M., Esteves I.H., González R., Manuel MartínezFuentes:scopusOrganic geochemical investigation and coal-bed methane characteristics of the Guasare coals (Paso Diablo mine, western Venezuela)
ArticleAbstract: The aim of this work was to carry out a geochemical study of channel samples collected from six coalPalabras claves:Biomarkers, coal-bed gas, Guasare bituminous coal, Paso Diablo mine, western VenezuelaAutores:Escobar M., Esteves I.H., Garbán G., Gonzalo Márquez, Hackley P., Manuel Martínez, Quintero K.Fuentes:scopusIdentification of biomarkers in a bituminous coal treated with acid and an unconventional solvent
ArticleAbstract: This article describes saturated biomarkers (n-alkanes, hopanes and steranes) identified in the extrPalabras claves:Bitumen, Demineralization, Depolymerization, extraction, N.N-dimethylformamideAutores:Érica Lorenzo, Escobar M., Esteves I.H., Gamboa A., Garbán G., Manuel MartínezFuentes:scopusTrace elements of Paleocene Táchira coals, Southwestern Venezuela: A geochemical study
ArticleAbstract: The concentration and distribution of 35 elements in 78 coal samples from the Táchira State coal fiePalabras claves:Coal, factor analysis, geochemistry, Trace elements, VENEZUELAAutores:Carmen Milena López, Escobar M., Esteves I.H., Galarraga F., González R., Manuel MartínezFuentes:scopusThe organic geochemistry of oil seeps from the Sierra de Perijá eastern foothills, Lake Maracaibo Basin, Venezuela
ArticleAbstract: The organic geochemistry of samples from 11 oil seeps was studied. The samples were collected from tPalabras claves:Autores:Escobar M., Esteves I.H., Gonzalo Márquez, Inciarte S., Malandrino G., Rojas J.Fuentes:scopus