Hainin Formation

The information on this page is a summary description.
The full formal description is available here: Hainin Formation

Abbreviation Ha
Parent unit Haine Group
Child units
Lithological description The sediments are from lacustrine – continental origin and consist of lime-stones, grey and white marls, black clays and lignites, and some sands. They rest in the Mons region on the limestones of the Mons Fm.
Age Early Selandian.
Thickness Approximately 30 m.
Area of occurrence The formation is known in outcrops and boreholes in the region of Hainin and St.-Ghislain (western part of the Mons Basin), and only in boreholes in the region of Mons and Ghlin.
Type locality Outcrop along the railroad from Mons to Quiévrain, between Boussu and Thulin. Sheet 45/5-6 (Quiévrain – Saint-Ghislain). The borehole HA1 (1970) near the outcrop penetrated about 30 m of the Hainin Fm. Co-ordinates: x = 107.25, y = 124.89, z = +26 m.
Alternative names
Authors Laga, P., Louwye S. & Geets, S.
Date 01/01/2001
Cite as Laga, P., Louwye S. & Geets, S., 2001. The Hainin Formation, 01/01/2001. National Commission for Stratigraphy Belgium. http://ncs.naturalsciences.be/lithostratigraphy/Hainin-Formation


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