Shell-limestone
Sellenberg quarry, Kirchheim, Würzburg District, Lower Franconia, Bavaria, Germany
Cross section perpendicular to the sedimentary bedding of shell-limestone from Kirchheim, trade name "Kirchheim Kuaker". Polished section manufactured by Rudolf Schwinghammer, München.
Rudolf Schwinghammer collection (No. G0105), G. Grundmann photo.
© Günter Grundmann, Detmold.