Stratigraphic detailed survey for Shale of Bambucá member in two sections of Neiva subbasin Levantamiento estratigráfico detallado para el miembro Shale de Bambucá en dos secciones de la subcuenca de Neiva

Abstract

The study of sedimentary environment, provide to the petroleum industry the knowledge about the sedimentary events occurred and how they made (it create) the production formations, source rocks and trap rocks; in this paper the source rock from Bambucá Shale member, it belongs to Villeta formation in the Neiva subbasin; Upper Magdalena Valley (UMV). In order to develop an investigation stratigraphic colum in two sites, La Tribuna and Los Yuyos; where are observed predominant sections of mudstone with identifying characteristics of platform environments, out to the influenfe of the waves. The columns were analyzed and divided into sequences and parasequences, focused in eustatic changes which determined the deposition of sediment and organic matter.