Informal (Geluk 2005; De Jager 2012).
Massive clean sandstone. Where the sandstone is thickest, a well-correlatable shale layer occurs in the middle of the sand package.
Aeolian. Shale layer accumulated in a lacustrine setting.
Definition of lower boundary
Sharp contact with underlying claystone.
Definition of upper boundary
Sharp contact with overlying red claystone.
Extremely variable thickness: 5 - 165 m.
Only found in the Netherlands.
Depth (thickness) AH:
3032 - 3102 AH (70 m)
Informal, proposed by Geluk (2005).
Origin of name
Name derived from the German stratigraphic nomenclature.
Solling Fat Sand.
Reviewed by (date)
Mark Geluk, Johan ten Veen, Geert-Jan Vis (2017).
De Jager, J. 2012. The discovery of the Fat Sand Play (Solling Formation, Triassic), Northern Dutch offshore – a case of serendipity. Netherlands Journal of Geosciences, 91, 609-619. https://doi.org/10.1017/S0016774600000408
Geluk, M.C. 2005. Stratigraphy and tectonics of Permo-Triassic basins in the Netherlands and surrounding areas. PhD Thesis, Utrecht University, 171 p.
TNO-GDN ([YEAR]). middle Solling Sandstone member. In: Stratigraphic Nomenclature of the Netherlands, TNO – Geological Survey of the Netherlands. Accessed on [DATE] from https://www.dinoloket.nl/en/stratigraphic-nomenclature/middle-solling-sandstone-member.