The information on this page is a summary description. The full formal description is available here: Rupel Group Abbreviation RU Parent unit Child units Bilzen Formation, Boom Formation, Eigenbilzen Formation Lithological description The term Rupel group is referring to the Boom Clay Formation, the main clay unit in the group, and to the other fine-grained...
The information on this page is a summary description. The full formal description is available here: Bilzen Formation Abbreviation Bi Parent unit Rupel Group Child units Berg Member, Kleine-Spouwen Member, Kerniel Member Lithological description The formation consists essentially of fine-sized and quartz-dominated sandy sediments (the Kerniel Member and the Berg Member) and a mollusc-rich (Nucula...
The information on this page is a summary description. The full formal description is available here: Berg Member Abbreviation BiBe Parent unit Bilzen Formation Child units Lithological description The base of the Berg Sand Member is a regionally occurring transgressive surface characterized by black and flat flint pebbles generally about 2 to 3 cm in...
The information on this page is a summary description. The full formal description is available here: Kleine-Spouwen Member Abbreviation BiKs Parent unit Bilzen Formation Child units Lithological description The member consists of greenish to yellowish grey clay, turning brownish when oxidized. The member is frequently calcareous, rich in foraminifera and with numerous Nucula comta accompanied...
The information on this page is a summary description. The full formal description is available here: Kerniel Member Abbreviation BiKe Parent unit Bilzen Formation Child units Lithological description The Kerniel Sand Member consists of medium-grained, white to yellowish quartz sand with only rare mica and glauconite grains. The sand has been described as clayey at...
The information on this page is a summary description. The full formal description is available here: Boom Formation Abbreviation Bm Parent unit Rupel Group Child units Belsele-Waas Member, Terhagen Member, Putte Member, Boeretang Member Lithological description An extensive synthesis on the Boom Clay geology is given in Vandenberghe et al. (2014). The Boom Clay is...
The information on this page is a summary description. The full formal description is available here: Belsele-Waas Member Abbreviation BmBw Parent unit Boom Formation Child units Lithological description The Belsele-Waas Member consists of very silty grey clay, very low in carbonate and in organic matter and forms the base of the Boom Clay Formation. In...
The information on this page is a summary description. The full formal description is available here: Terhagen Member Abbreviation BmTe Parent unit Boom Formation Child units Lithological description The Terhagen Member is the part of the Boom Clay in between the Belsele-Waas Member and the Putte Member. If the former member is not present, the...
The information on this page is a summary description. The full formal description is available here: Putte Member Abbreviation BmPu Parent unit Boom Formation Child units Lithological description The Putte Member overlies the Terhagen Member and underlies the Boeretang Member. The Putte Member consists of an alternation of silt-enriched and clay-enriched layers, several dm thick...
The information on this page is a summary description. The full formal description is available here: Boeretang Member Abbreviation BmBt Parent unit Boom Formation Child units Lithological description The Boeretang Member occurs in the top of the Boom Clay Formation and exclusively in the subsurface where it is well characterised by geophysical borehole logs. It...
