Bubble sandstone

As blasensandstein an approximately 20 to 23 meters is powerful rock layer referred consisting of red-brown to gray-white, fine to medium-grained sandstones is that are red with intermediate, green and violet Letts layers builds. It is named after the bubble-like cavities in the sandstone, which were created by weathering clay nests and dolomitic components.

geology

The bubble sandstone is the lowest rock layer of the sandstone keuper between the Lehrberg clays from the gypsum keuper and the Coburg sandstone . He is more than 200 million years old, so from the Mesozoic ( Mesozoic ), more precisely from the formation of the Triassic . The sandstone keuper forms the so-called middle keuper with the plaster keuper below .

See also

• Sandstone
• List of sandstones

source

• Sketch of the rock sequences in Muschelkalk, Keuper and Jura of the Oberforstdirektion Ansbach

Web links

• Illustration of an outcrop of the bubble sandstone on lfu.bayern.de (PDF; 167 kB)

Individual evidence

1. ↑ angewandte geologie.gol.uni-erlangen.de : Geological overview , accessed on October 13, 2012