Gnodstädter sandstone
The Gnodstädter sandstone occurs near Gnodstadt , a district of Marktbreit in the district of Kitzingen , in the Bavarian administrative district of Lower Franconia . This sandstone was created in Keuper 200 million years ago .
Rock description
The yellow-brown or yellow-gray-green color of Gnodstädter sandstone is caused by limonite and the green chlorite . It is a fine-grain sandstone that is bound by feldspar and clay minerals .
Emergence
This sandstone was created by sandy deposits of a river delta on the edge of the Germanic Basin in the Keuper. It was solidified by the pressure of overlying layers.
use
Gnodstädter sandstone was mainly used regionally for the construction of house facades. Numerous regional facades were built from this sandstone. Mainly solid masonry and bricks have been made from it since the Middle Ages . Today the deposit is mainly broken for restoration work.
Due to its low level of education, numerous regional sculptures and wayside shrines were formed; but it is also used in landscaping and horticulture.
photos
Brick of the Gnodstädter sandstone (approx. 25 × 20 cm)
Portal made of Gnodstädter sandstone with lintel from 1820
Natural stone house: facade made of Gnodstädter sandstone (base made of Kirchheim shell limestone )
literature
- Karlfried Fuchs: Natural stones from all over the world, discover, determine, use . Vol. 2. Munich (Callwey) 1997, ISBN 3-7667-1267-5
Coordinates: 49 ° 38 ′ 31.2 ″ N , 10 ° 7 ′ 48 ″ E