Potential source rocks in the Ropianka Formation of the Magura Nappe (Outer Carpathians, Poland) – geochemical and foraminiferal case study
Journal Title: Geology, Geophysics & Environment - Year 2018, Vol 44, Issue 1
Abstract
To optimize exploration for new hydrocarbon accumulations in the Polish Outer Carpathians, it is necessary to concentrate attention on identification of hydrocarbon accumulations of the “shale-gas” type. Results of recently completed analysis suggested new such possible targets in the Magura Basin, preserved in the Outer Carpathian Magura Nappe. Analysis of the preliminary results of paleoenvironmental and geochemical studies of these shales is the subject of this paper. Micropaleontological and geochemical study was conducted on the 300 m thick Świątkowa Member, the uppermost part of the Ropianka Formation located in the external, northernmost Siary Zone. This member is composed of thin- and medium-bedded sandstones interbedded by green, brown, black and dark-gray shales. Poor and changeable oxygenation is reflected in the composition of foraminiferal assemblages. A negative correlation between the TOC content and numbers and diversity of foraminifera is observed. The paleogeographic position and paleoenvironment assessment indicates that the Siary Zone fulfills certain conditions for organic productivity and preservation during the deposition of the Ropianka Formation.
Authors and Affiliations
Anna Waśkowska, Jan Golonka, Grzegorz Machowski, Ewa Pstrucha
Keywords
Related Articles
- EP ID EP279489
- DOI 10.7494/geol.2018.44.1.49
- Views 61
- Downloads 0
The influence of structural and functional changes on N-P-K input of agricultural origin and surface water quality in the upper Dunajec River basin in the years 1980-2010
The aim of the study was the prediction of N-P-K inputs (hereafter referred to as NPK load) from agricultural sources. The study aimed to determine relations between the structural changes and the N-P-K load (nitrogen-ph...
The application of electromagnetic methods for polymetallic prospecting in mining conditions
The paper presents selected results of geophysical surveys carried out in the copper mine named “Polkowice-Sieroszowice” in Lower Silesia, Poland. The aim of complex geophysical measurements was the analysis of the usefu...
Adsorption efficiency of selected natural and synthetic sorbents
Sorbents are substances binding other substances on their surface. Effective sorbents have a porous surface. The adsorption activity of the surface is closely related to the local radius of curvature of surface irregular...
Characterisation of used traction sand for utilization aspects in earth construction based on the requirements of Finnish environmental legislation
Finland launched a new Government Decree, the so-called MARA-regulation, on the utilization of certain wastes in earth construction on 1.1.2018. This statutory regulation sets limit values for the solubility of heavy met...
Studies on Gypsophila fastigiata parameters verifying its suitability to reclamation of post-flotation Zn-Pb wastes
An excessive amount of heavy metals negatively affects the environment, causing degradation of large areas throughout the world. Therefore, the effective and inexpensive techniques focused on either removal of those subs...