Mostrando 5 resultados de: 5
Filtros aplicados
Subtipo de publicación
Article(5)
Publisher
Journal of Petroleum Geology(2)
Estudios Geologicos(1)
Journal of Petroleum Science and Engineering(1)
Journal of South American Earth Sciences(1)
Área temáticas
Geología económica(4)
Geología, hidrología, meteorología(2)
Ciencias de la Tierra de otras zonas(1)
Ciencias de la tierra(1)
Paleontología(1)
Área de conocimiento
Química ambiental(3)
Origen
scopus(5)
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: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: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:scopusV/Ni ratio as a parameter in palaeoenvironmental characterisation of nonmature medium-crude oils from several Latin American basins
ArticleAbstract: Statistical descriptive analyses were performed taking into account sulphur, vanadium and nickel conPalabras claves:crude oil group, generic diagram, oil prospecting, palaeoenvironmental characterization, vanadium:nickel ratioAutores:Galarraga F., Gonzalo Márquez, Llamas J.F., Manuel Martínez, Martïnez A., Reátegui K.Fuentes:scopusThe effects of sulfur on the weathering extent of carbon. A companson of two mines in Hato de la Virgin, State of Tachira, Venezuela
ArticleAbstract: Ten bituminous coal samples, showing several weathering levels, were collected at different depths iPalabras claves:Coal, geochemistry, OXIDATION, Sulfur, VENEZUELA, WeatheringAutores:Escobar M., Esteves I.H., Galarraga F., González R., Manuel MartínezFuentes:scopus