The information on this page is a summary description. The full formal description is available here: Montfort Member Abbreviation MTF Parent unit Condroz Formation Child units Bon-Mariage Facies, Gombe Facies, Barse Facies, Rivage Facies, Citadelle de Huy Facies Lithological description Rhythmic and gradded often thick beds of quartzitic arkosic sandstone, with laminar and cross stratifications,...
The information on this page is a summary description. The full formal description is available here: Verviers Member Abbreviation VER Parent unit Lambermont Formation Child units none Lithological description Varigated bioclastic and nodular limestone, with subordinate shale. Age Late Frasnian Thickness 12 m in the type area Area of occurrence Vesdre area and Theux Window...
The information on this page is a summary description. The full formal description is available here: Rivage Facies Abbreviation Parent unit Montfort Member Child units none Lithological description See Montfort Member Age Thickness Area of occurrence Type locality Alternative names Authors Mottequin, B., Denayer, J., Delcambre, B., Marion, J.-M. & Poty, E. Date 23/09/2025 Cite...
The information on this page is a summary description. The full formal description is available here: Famelette Formation Abbreviation FML Parent unit none Child units none Lithological description Greenish-greyish shale, occasionally fossiliferous, with micaceous beds, haematitic ooids near the base. Age Late Frasnian (?)-Tournaisian (Hastarian) (?) Thickness 212-21 m in the type area, rapidly diminishing...
The information on this page is a summary description. The full formal description is available here: Falisolle formation Abbreviation Parent unit none Child units none Lithological description Disused unit, replaced by the Franc-Waret Formation. Age Thickness Area of occurrence Type locality Alternative names Authors Mottequin, B., Denayer, J., Delcambre, B., Marion, J.-M. & Poty, E....
The information on this page is a summary description. The full formal description is available here: Watissart Member Abbreviation WTS Parent unit Esneux Formation Child units none Lithological description Pluricentimetric to plurimetric, lenticular beds of massive, grey to bluish grey quartzitic sandstone. Age Middle Famennian Thickness 50-80 m in the type area Area of occurrence...
The information on this page is a summary description. The full formal description is available here: Aisemont Formation Abbreviation AIS Parent unit none Child units Tchafornis Member, Mallieue Member, Fond des Cris Member Lithological description A first unit of bioclastic limestone, rich in corals or nodular, overlain with grey fossiliferous shales and topped by a...
The information on this page is a summary description. The full formal description is available here: Gougnies Member Abbreviation GOU Parent unit Lustin Formation Child units Sainte-Anne Facies Lithological description Massive coarse-grained limestone usually rich in organisms (corals, stromatoporoids). Age Middle Frasnian. Thickness c. 60 m in the type area, decreasing eastwards. Area of occurrence...
The information on this page is a summary description. The full formal description is available here: Petit-Mont Member Abbreviation PTM Parent unit Marche-en-Famenne Formation Child units none Lithological description Red micritic limestone rich in stromatactis getting richer in fossil upwards, turning pink then grey and rich in calcimicrobial structures, then turning red again in the...
The information on this page is a summary description. The full formal description is available here: Lambermont Formation Abbreviation LAM Parent unit none Child units Verviers Member, Hony Horizon Lithological description Shale, calcareous shale, bioclastic and nodular limestone, varigated in colour (reddish, greenish, dark grey, brown). Age Late Frasnian-earliest Famennian Thickness 40 to 100 m...