The information on this page is a summary description. The full formal description is available here: Anchamps Formation Abbreviation ANC Parent unit Revin Group Child units Lithological description Formation subdivided into three members: the unnamed lower member (old: Rv3a) black slate, slightly micaceous with a few thin black quartzite beds; the Crapaude-Pierre Member (CRP, old:...
The information on this page is a summary description. The full formal description is available here: Bellevaux Formation Abbreviation BEL Parent unit Deville Group Child units Lithological description Alternation of greenish and purple slate and shale; greenish shale and white quartzite. Age The only fossils present are the trace fossils Oldhamia antiqua and O. radiata....
The information on this page is a summary description. The full formal description is available here: Petite-Commune Formation Abbreviation PCO Parent unit Revin Group Child units Lithological description Thick beds of 5 to 10 m of black quartzite, rich in pyrite, coarse-grained, micaceous, alternating with micaceous coarse-grained pyritic slate, and fine-grained graphitic slate. Some cross-bedding...
The information on this page is a summary description. The full formal description is available here: Wanne Formation Abbreviation WAN Parent unit Revin Group Child units Lithological description Dark green-blue fine slate and green-greyish quartzite, alternating with dark slaty quartzite; some rare 10-15 cm thick conglomerate beds with slaty, quartzitic and sometimes phosphatic pebbles. The...
The information on this page is a summary description. The full formal description is available here: Vieux-Moulains de Thilay Formation Abbreviation VMT Parent unit Child units Lithological description Dark and light grey laminated siltstone and slate, “quartzophyllades zonaires” from the literature, with black slate levels. Age Outcrops west of Vieux-Moulins de Thilay are dated with...
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...
