The information on this page is a summary description. The full formal description is available here: Salm Group Abbreviation Sm Parent unit Child units Jalhay Formation, Ottré Formation, Bihain Formation, Petites Tailles Formation Lithological description The group consists of three formations: from base to top: the Jalhay, Ottré and Bihain Fms. Age Thickness Area of...
The information on this page is a summary description. The full formal description is available here: Sautou Formation Abbreviation SAU Parent unit Child units Lithological description Thick beds of black pyritic quartzite of 5 to 10 m thick, separated by layers of coarse sandy and silty slate, or more rarely of graphitic fine slate or...
The information on this page is a summary description. The full formal description is available here: Fosses Formation Abbreviation FOS Parent unit Child units Lithological description From top to bottom green and dark green fine sandy shale, with trilobites and brachiopods; greywacke, calcareous shale with locally some limestone beds rich in brachiopods (Michot, 1934). Composed...
The information on this page is a summary description. The full formal description is available here: Jalhay Formation Abbreviation JAL Parent unit Salm Group Child units Lithological description Blue-green slate, sandstone and silty slate (called “quartzophyllade” in the older literature) subdivided into three members. The Solwaster Mbr (SLW, old: Sm1a): dark green-blue “quartzophyllade”, black...
The information on this page is a summary description. The full formal description is available here: Pouru-au-Bois Formation Abbreviation PAB Parent unit Child units Lithological description Subdivided into three members: the unnamed lower member (old: Rv5a): black slate, easily affected by microfolds (Beugnies, 1960); the unnamed middle member (old: Rv5b): some lenticular grey quartzite beds...
The information on this page is a summary description. The full formal description is available here: Génicot Formation Abbreviation GNC Parent unit Child units Lithological description Black shale, dark grey laminated siltstone and often thin beds of medium grey sandstone. Occasionally a conglomeratic sandstone bed occurs. Sometimes dark-coloured microbioturbations a few mm long (Chondrites sp.?)...
The information on this page is a summary description. The full formal description is available here: Ottré Formation Abbreviation OTT Parent unit Salm Group Child units Lithological description Purplish slate and silty slate (called “quartzophyllade” in the older literature) subdivided into 3 members. The Meuville Mbr (MEU, old: Sm2a), in the north: red or...
The information on this page is a summary description. The full formal description is available here: Serpont Formation Abbreviation SRP Parent unit Child units Lithological description Black coarse-grained slate and silty slate (called “quartzophyllade” in the older literature), very rich in ilmenite and chloritoid crystals (small to 4 mm in size); the base of the...
The information on this page is a summary description. The full formal description is available here: Criptia Group Abbreviation CRI Parent unit Child units Lithological description A group for a thick unit of shale and silty shale, homogeneous with various colours (greenish, grey, ochre) and a stratification difficult to distinguish. In the group a green...
The information on this page is a summary description. The full formal description is available here: Bihain Formation Abbreviation BIH Parent unit Salm Group Child units Lithological description Black silty slate (called “quartzophyllade” in the older literature) and greenish sandstone. The Salm-Château Mbr (SCH, old: Sm3b): cleaved “quartzophyllade”, with thick bands of slates, often...
