The information on this page is a summary description. The full formal description is available here: Fumal Formation Abbreviation FUM Parent unit Child units Lithological description Grey mudslate, mudstone, siltstone and fine sandstone with quartzic pelite in the e-divisions. Sedimentology: three types of sequential patterns occur: (a) thick Tde sequences (average between 24 and 28...
The information on this page is a summary description. The full formal description is available here: Vichenet Formation Abbreviation VCH Parent unit Child units Lithological description Grey mudslate, mudstone, siltstone and rare fine sandstone with often calcareous quartzic-chloritic pelite in the thick e-divisions; alternating distal thick-bedded turbidites with thin-bedded laminated hemipelagites. In the Mehaigne area...
The information on this page is a summary description. The full formal description is available here: Ronquières Formation Abbreviation RON Parent unit Child units Lithological description Dominated by grey mud-grade turbidites with compact or finely parallel laminated, fine silty slate and mudstone with quartzic pelites in the e-divisions, finely parallel laminated or obliquely stratified very...
The information on this page is a summary description. The full formal description is available here: Bellegem Formation Abbreviation BLG Parent unit Child units Lithological description Dark to medium grey mostly shale and mudstone (compact bedded), also siltstone and fine sandstone (laminated or obliquely stratified), deposited as distal turbidites and less frequently as laminated hemipelagites;...
The information on this page is a summary description. The full formal description is available here: Rekkem Formation Abbreviation REK Parent unit Child units Lithological description Dark and medium grey, silty and clayey shale, with no sandstone present; compact, laminated or obliquely stratified; deposited as distal turbidites; 82% of the sequences are Tde, with a...
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...
