The information on this page is a summary description. The full formal description is available here: Hergenrath Member Abbreviation Parent unit Aachen Formation Child units Lithological description Alternation of light to dark grey, sandy and silty clays with silty and clayey, light grey fine to coarse-grained sands, with subordinate fine-grained gravel, silts, minor red clays...
The information on this page is a summary description. The full formal description is available here: Aachen Member Abbreviation Parent unit Aachen Formation Child units Lithological description Well-sorted, yellow-white to clean white, limonite-stained fine sands, locally with irregular gravelly sandstone beds and concretions, with small- and large-scale cross-bedding. Flaser cross-bedding occurs commonly; bioturbation of varying...
The information on this page is a summary description. The full formal description is available here: Maisières Chalk Formation Abbreviation MAI Parent unit Chalk group Child units Lithological description Glauconitic, granular, calcarenitic green “chalk”, with erosion surfaces and/or perforated hardgrounds at the base. Becomes more chalky towards the west and is the equivalent of lithological...
The information on this page is a summary description. The full formal description is available here: Hauset Member Abbreviation Parent unit Aachen Formation Child units Lithological description Well-sorted, yellow-white to clean white, limonite-stained fine sands, locally with irregular gravelly sandstone beds and concretions, with small- and large-scale cross-bedding. Flaser cross-bedding occurs commonly; bioturbation of varying...
The information on this page is a summary description. The full formal description is available here: Saint-Denis Silicite Formation Abbreviation SDN Parent unit Chalk group Child units Lithological description Very hard rock, in banks of severaldecimetresthickness or totallysilicified, of light grey colour, with conchoidal fracture; millstone grit used to this day the shaping of millstones....
The information on this page is a summary description. The full formal description is available here: Vaals Formation Abbreviation VAA Parent unit Chalk group Child units Asdonk Member, Sonnisheide Member, Raren Member, Cottessen Member, Gemmenich Member, Vaalsbroek Member, Beusdal Member, Terstraten Member, Benzenrade Member Lithological description In the type area, the unit comprises six members...
The information on this page is a summary description. The full formal description is available here: Wachtebeke Member Abbreviation Parent unit Nevele Formation Child units Lithological description Greyish white, homogenous, very fine-silty, strongly indurated chalk. Rarely silex (flint) bearing. The bottom beds consist of light greenish grey, glauconitic marlstone. Overlying strata: White, softer, more porous...
The information on this page is a summary description. The full formal description is available here: Asdonk Member Abbreviation Parent unit Vaals Formation Child units Lithological description Age Thickness Area of occurrence Type locality Alternative names Authors Dusar, M. & Lagrou, D. Date 01/02/2011 Cite as Dusar, M. & Lagrou, D., 2011. The Asdonk Member,...
The information on this page is a summary description. The full formal description is available here: Sonnisheide Member Abbreviation Parent unit Vaals Formation Child units Lithological description Age Thickness Area of occurrence Type locality Alternative names Authors Dusar, M. & Lagrou, D. Date 01/02/2011 Cite as Dusar, M. & Lagrou, D., 2011. The Sonnisheide Member,...
The information on this page is a summary description. The full formal description is available here: Raren Member Abbreviation Parent unit Vaals Formation Child units Lithological description Age Thickness Area of occurrence Type locality Alternative names Authors Robaszynski, F., Dhondt, A.V. & Jagt, J.W.M. Date 01/01/2001 Cite as Robaszynski, F., Dhondt, A.V. & Jagt, J.W.M.,...
