Mostrando 10 resultados de: 13
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Energy Sources, Part A: Recovery, Utilization and Environmental Effects(2)
Journal of Petroleum Geology(2)
Organic Geochemistry(2)
29th International Meeting on Organic Geochemistry, IMOG 2019(1)
Estudios Geologicos(1)
Área temáticas
Geología económica(10)
Ciencias de la tierra(3)
Geología, hidrología, meteorología(3)
Paleontología(3)
Ciencias de la Tierra de otras zonas(2)
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scopus(13)
Geochemical composition of beach tar from the se coast of the paria peninsula, ne venezuela: Derivation from natural seepages
ArticleAbstract: Tar residues ("tarballs") occur frequently on the SE coast of the Paria Peninsula, NE Venezuela. ThiPalabras claves:Gulf of Paria, Los Bajos fault, Marine seepages, Naparima Hill Formation, organic geochemistry, Seepage oils, Tarballs, Trinidad, VENEZUELAAutores:Carlos Sierra, De Freitas K.A., Érica Lorenzo, Escobar M., Fernàndez R., Galarraga F., Gallego J.R., Gonzalo MárquezFuentes:scopusGeochemical signatures of bedded cherts of the upper La Luna Formation in Táchira State, western Venezuela: Assessing material provenance and paleodepositional setting
ArticleAbstract: Here we undertook an inorganic geochemical study of Cenomanian-Campanian bedded cherts (the TáchiraPalabras claves:Bedded chert, Depositional setting, Modified Murray diagram, Provenance, Táchira Ftanita memberAutores:Escobar M., Esquinas N., Garbán G., Gonzalo Márquez, Manuel Martínez, Rey O.Fuentes:scopusGeochemistry and chemostratigraphy of the Colón -mito juan units (campanian-maastrichtian), Venezuela: Implications for provenance, depositional conditions, and stratigraphic subdivision
ArticleAbstract: A geochemical and chemostratigraphical study was undertaken on Campanian-Maastrichtian sedimentary rPalabras claves:Chemostratigraphy, Colón -mito juan sequence, geochemistry, Lake maracaibo, Stratigraphic subdivisionAutores:Carlos Sierra, Escobar M., Esteves I.H., Gallego J.R., Gonzalo Márquez, Gutiérrez J.V., Manuel Martínez, Montilla L.Fuentes:scopusEffect of coal weathering on some geochemical parameters
ArticleAbstract: The effect of coal weathering on some geochemical parameters was studied. Seven pairs of fresh and aPalabras claves:Bitumen, Coal, floatability, geochemistry, humic substances, VENEZUELA, WeatheringAutores:Escobar M., Manuel MartínezFuentes: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:scopusOrigin of crude oils from southern coastal Ecuador: A case study of quantitative extended diamondoid analysis (QEDA)
Conference ObjectAbstract:Palabras claves:Autores:Antonio Morato Medina, Érica Lorenzo, Escobar M., Gonzalo Márquez, Guzmán M.A., Lara-Gonzalo A., López P.I.Fuentes:scopusMain factors controlling the compositional variability of seepage oils from trujillo state, western venezuela
ArticleAbstract: The organic geochemistry of eighteen samples of seepage oils from Trujillo State, Western Venezuela,Palabras claves:biodegradation, Hydrocarbon flow rate, Oil seeps, Trujillo State, VENEZUELA, Water washingAutores:Escobar M., Galarraga F., Gonzalo Márquez, Manuel Martínez, Tocco R., Urbani F.Fuentes:scopusIntra-and inter-field compositional changes of oils from the Misoa B4 reservoir in the Ceuta Southeast Area (Lake Maracaibo, Venezuela)
ArticleAbstract: Here we analyzed oil samples from 35 wells in the Ceuta Southeast Area (Lake Maracaibo Basin, northwPalabras claves:Autores:Duno L., Érica Lorenzo, Escobar M., Esquinas N., Gallego J.R., Gonzalo MárquezFuentes: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:scopus