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Título : ORGANIC GEOCHEMISTRY OF PASO DIABLO COALS (MARCELINA FM., PALEOCENE), VENEZUELA
Autor : Quintero, Karla
Martínez, Manuel
Esteves, Iván
Hackley, Paul
Garbán, Grony
Gutiérrez, José
Escobar, Marcos
Palabras clave : Paso Diablo
Geochemistry
Organic
Carbon
Marcelina Formation
Fecha de publicación : 8-Dec-2014
Resumen : Six representative samples from different coal seams within the sequence of the Marcelina Formation (Paleocene) were subject to an organic geochemical study. The aim of the study is the establishment of the physicochemical environment conditions, the maturity level reached by the organic matter, and the variations within the log. Obtained results allowed classifying coals as high-bituminous type A, according with ASTM rules (1990), with low sulfur, moisture and ash, and very high in volatile matter content. Studied coals were derived from terrestrial organic matter, with negligible marine influence, settled in a continental environment, with minor facies changes, under strong dysoxic conditions (high Eh) and low salinity. Maturity of coals is associated with the beginning of oil window, in the first path of catagenesis of organic matter.
Descripción : The purpose of this work is the organic geochemical study of Paso Diablo coals, with the aim of to establish their ASTM classification, depositional conditions and thermal maturity variations.
URI : http://saber.ucv.ve/jspui/handle/123456789/7873
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