Rüthener sandstone

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Cemetery gate made of Rüthener sandstone in Rüthen

The Rüthener sandstone , also Rüthener green sandstone , is mined in the south of the chalk bay of Münster, near the town of Rüthen in North Rhine-Westphalia .

Mineralogy and Occurrence

The rock occurrence near Rüthen is 3 to 4 meters thick and, in geological terms, does not belong to the Turonium of the Upper Cretaceous like the other rocks in the Chalk Bay of Münster, but to the lowest Cenomaniac (Essen green stone). Today it is only mined in one quarry. The block formats that are obtained are relatively large and the sandstone is easy to work with.

In Rüthen, a sandstone with 77 percent quartz is quarried with a barytaic-pebble-clayey bond. It is a porous glauconitic sandstone. Muscovite (light mica), zircon and tourmaline occur as accessories, with proportions below 1 percent . Its color is light gray-green with a shimmering brown hue. It is more resistant to weathering than the neighboring deposits at Soest , Werl and Anröchte , which appear green to blue-green. The name Grünsandstein comes from the local miners. The miners use this term for all sands there, provided that they are solidified and colored green.

use

The Rüthener sandstone is mainly used as a building block for house bases, steps, cornices, columns and tombs.

Well-known historical monuments made of this natural stone are the Hirschberger Tor, which was built in 1753 as the entrance gate of the Hirschberg Castle and is today in Arnsberg , the town hall in Amsterdam (1650), Grafschaft Abbey (1742) and the town hall (1726) in Rüthen, the cemetery portal and many gravestones in the Jewish cemetery . The oldest structures in Rüthen, the approximately 3 km long preserved city wall and the fortress structures (Hachtor, Hexenturm and tower fragments), which were built around 1300, are made of this natural stone . Further examples of use are the pilgrimage basilica in Werl (1904–1906), the town halls in Warstein and Brilon , the courthouse in Soest, the chapel at the Eversberg cemetery (1958), the main train station in Hamm (1916), the Reformed Church in Lippstadt and the Ruhr Bridge Laer .

See also

Web links

literature

  • W. Dienemann and O. Burre: The usable rocks of Germany and their deposits with the exception of coal, ores and salts , Enke-Verlag, Stuttgart 1929, p. 298
  • Wolf-Dieter Grimm: picture atlas of important monument rocks of the Federal Republic of Germany. Published by the Bavarian State Office for Monument Preservation, Lipp-Verlag, Munich 1990, ISBN 3-87490-535-7 .
  • Eberhard Henneböle : stone carver, carver and painter in Rüthen after the 30 Years War until around 1750, Lippstadt district, 1974, p. 11 ff.
  • Ulrich Grun and Hartmut Platte: "The charm of green sandstone" [Rüthener sandstone as a building material in the Duchy of Westphalia], in: Westfälischer Heimatbund (Ed.): Year Book Westphalia , ZDB-ID 798049-8, New Series No. 57 (2003) , P. 160ff

Individual proof

  1. ^ Grimm: Monument Atlas of Important Monument Stones. Rock no.121 (see literature)