The information on this page is a summary description. The full formal description is available here: Huy Formation Abbreviation HUY Parent unit Child units Lithological description Black, silky, finely micaceous shale, with cone-in-cone structures and white-veined blackish quartzite beds (Malaise, 1900); fine-grained and slightly micaceous black slate or shale (Martin, 1969a); dark or greyish black...
The information on this page is a summary description. The full formal description is available here: Sart-Bernard Formation Abbreviation SN Parent unit Child units Lithological description Micaceous and sandy shale (Michot, 1957). Age The restudied graptolite assemblage points to a Didymograptus bifidus biozone, Llanvirn (Bulman, 1950); this is not accepted by Servais and Maletz (1992)...
The information on this page is a summary description. The full formal description is available here: Vitrival-Bruyère Formation Abbreviation VTB Parent unit Child units Lithological description Blackish, silky and fine micaceous shale with quartzite intercalations and graptolites (Maillieux, 1926a); micaceous pelitic unit (Michot, 1928); the higher part contains clayey quartzitic sandstone in thick beds, covering...
The information on this page is a summary description. The full formal description is available here: Hosdin Formation Abbreviation HOS Parent unit Child units Lithological description Dark to medium grey mudslate, siltslate, siltstone and fine sandstone with quartzic pelite in the e-division; Tde sequences are often present (74%) and medium thick (17 cm on average);...
The information on this page is a summary description. The full formal description is available here: Basse-aux-Canes Formation Abbreviation BCN Parent unit Child units Lithological description Greenish grey or dark grey silty shale, often sandy siltstones, with irregular jointing. White mica often present. The siltstones weather with dark or rusty patches of iron and manganese...
The information on this page is a summary description. The full formal description is available here: Fallais Formation Abbreviation FLL Parent unit Child units Lithological description Unit of light green, olive-greenish grey, or light grey chloritic mudslate and mudstone, with rare siltstone and fine sandstone beds from distal turbiditic origin, mostly without laminated hemipelagite; in...
The information on this page is a summary description. The full formal description is available here: Ombret Formation Abbreviation OMB Parent unit Child units Lithological description An upper sandstone-slate member of turbiditic nature in its upper part with obliquely stratified quartzitic sandstone up to several dm thick; a lower member with black shale with rare...
The information on this page is a summary description. The full formal description is available here: Chevlipont Formation Abbreviation CHV Parent unit Child units Lithological description The most common facies is formed by grey siltstone (called “quartzophyllade” in older literature) with characteristic wavy bedding consisting of millimetric alternations of light grey siltstone and dark grey...
The information on this page is a summary description. The full formal description is available here: Corroy Formation Abbreviation COY Parent unit Child units Lithological description Mudslate, mudstone, siltstone and fine sandstone, alternating in thin beds, decimetric to a few cm thick. The sandstone is light-coloured, obliquely stratified, sometimes convolute bedding, with often undulating base...
The information on this page is a summary description. The full formal description is available here: Oxhe Formation Abbreviation OXH Parent unit Child units Lithological description Black micaceous shale with isolated black quartzite beds (Dewalque, 1894); blackish, micaceous and fossiliferous quartzite and black shale (Malaise, 1900); blackish green coarse shale with greenish quartzite intercalations (Martin,...
