Rocher de l’Uf Formation

The information on this page is a summary description.
The full formal description is available here: Rocher de l’Uf Formation

Abbreviation RUF
Parent unit Revin Group
Child units
Lithological description Formation subdivided into two members. The unnamed lower member – (old: Rv1a) is made of an alternation of quartzite and slate beds up to 30 cm thick; beds seem often to be truncated; green at the base passing gradually into dark grey at the top (Beugnies, 1960; Belanger, 1998 ms). The Les Peureux Member (PEU, old: Rv1b) is a vein of black slate, not very thick, with slab or flag jointing; exploited for roofing slate.
Age The acritarchs from the upper part of the formation belong to the Zone 1, dated as Early Cambrian to Mid Cambrian (Vanguestaine, 1992).
Thickness 40 to 120 m; the Les Peureux Mbr is 3 to 5 m thick (Beugnies, 1960).
Area of occurrence Rocroi Massif.
Type locality Section in the crag of “le Rocher de l’Uf”, south of Fumay, Meuse valley.
Alternative names New name for unnamed formation in Beugnies, 1960., Rv1.
Authors Verniers, J., Herbosch, A., Vanguestaine, M., Geukes, F., Delcambre, B., Pingot, J.-L., Belanger, I., Hennebert, M., Debacker, T., Sintubin, M. & De Vos, W.
Date 01/01/2001
Cite as Verniers, J., Herbosch, A., Vanguestaine, M., Geukes, F., Delcambre, B., Pingot, J.-L., Belanger, I., Hennebert, M., Debacker, T., Sintubin, M. & De Vos, W., 2001. The Rocher de l’Uf Formation, 01/01/2001. National Commission for Stratigraphy Belgium. https://ncs.naturalsciences.be/lithostratigraphy/Rocher-de-l’Uf-Formation
Additional information

Lithostratigraphy Lower Paleozoic

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