The lithostratigraphy of the Lower Devonian formations of the Eisleck (Northern Luxembourg). Comparison with their Belgian lateral equivalents.

The Eisleck region forms the northern third of the territory of the Grand-Duchy of Luxembourg and also represents the southeastern part of the Ardennes. The underground is made up of detrital rocks (shales and sandstones) of lower Devonian age folded during the Variscan orogeny. They have undergone strong diagenesis reaching up to weak metamorphism. In order to allow modern geological mapping of this area, a lithostratigraphical framework is proposed. Seven formations are considered and their lithological characteristics, thicknesses and paleogeographical settings are described. References to their paleontological content are also mentioned. Comparisons with their Belgian lateral equivalents are drawn in order to facilitate the cross-border comprehension of geological maps.

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