Sandstones from the backdrop to some of the world's most spectaculer scenery-forming high mountain ranges, bold cliffs, extensive plateaus,impressive caverns and magnificent towers. They are found all over the planet and in all climates, from hot deserts to the polar region, and provide the contruction material for iconic bulidings in numerous count…
Mudstones (interbedded clay, silt and very fine grained quartz sandstone) and coal beds were encountered as intercalations in the quartz sandstone beds. Its bedding plane could rather well be measured, morover on the contact rocks. Brown to black clays (carbonaceous clays/shales)nwere found under the coal beds.