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The Nardevitz Erratic (german: Findling Nardevitz), also called the Great Rock of Nardewitz (''Großer Stein von Nardevitz''), is one of the largest glacial erratics in North Germany. It lies about 400 metres north of Nardevitz, a village in the parish of Lohme on the island of Rügen.
Surrounded by trees and bushes as well as other drift material that was in the way of farming, it lies in the middle of a field. Its volume is estimated at 104 m³, which gives it a mass of 281 tonnes. The above-ground portion has a volume of 71 m³. It is therefore, apart from
Image:Findling Nardevitz 2.jpg, The Nardevitz Erratic is surrounded by farmland
Image:Findling Nardevitz 3.jpg, It acted for a long time as a "quarry"
Image:Findling Nardevitz 5.jpg, Its surface shows old traces of further attempts at breaking it up
The Nardevitz Erratic (german: Findling Nardevitz), also called the Great Rock of Nardewitz (''Großer Stein von Nardevitz''), is one of the largest glacial erratics in North Germany. It lies about 400 metres north of Nardevitz, a village in the parish of Lohme on the island of Rügen.
Surrounded by trees and bushes as well as other drift material that was in the way of farming, it lies in the middle of a field. Its volume is estimated at 104 m³, which gives it a mass of 281 tonnes. The above-ground portion has a volume of 71 m³. It is therefore, apart from Buskam
The Buskam, also Buhskam or Buskamen is a large glacial erratic boulder, 325 metres off the coast of Göhren, Rügen, northern Germany.Ingrid Schmidt: ''Hünengrab und Opferstein'', Hinstorff, Rostock 2001, p.42, Erratics (german: Findlinge) have ...
which lies in the Baltic Sea off Göhren, the largest erratic on Rügen and an important geological sight.
Because the Nardevitz Erratic was used for a long time to obtain construction material, it is suspected today that it was once three times its present size. For example, in 1854 and 1855, column drum
A column or pillar in architecture and structural engineering is a structural element that transmits, through compression, the weight of the structure above to other structural elements below. In other words, a column is a compression member ...
s weighing about five tonne and pedestal blocks, up to 2 tonnes in weight, for the Prussian Columns near Neukamp and Groß Stresow were hewn from the rock. On the rock itself there are clear traces that show there were plans for further destruction of the erratic.
Today the Nardevitz Rock, like around 20 other erratics on the island of Rügen, is one of its legally-protected geotope
A geotope is the geological component of the abiotic matrix present in an ecotope. Example geotopes might be an exposed outcrop of rocks, an erratic boulder, a grotto or ravine, a cave, an old stone wall marking a property boundary, and so for ...
s. It is recorded in the relevant register at the Mecklenburg-Vorpommern State Office for the Environment, Conservation and Geology (''Landesamt für Umwelt, Naturschutz und Geologie Mecklenburg-Vorpommern'') as entry "G2 75".
Origin and geological features
The Nardevitz Erratic is made of granite, whose coarse-grained structure corresponds to the hammer granite bedrock found on the island ofBornholm
Bornholm () is a Danish island in the Baltic Sea, to the east of the rest of Denmark, south of Sweden, northeast of Germany and north of Poland.
Strategically located, Bornholm has been fought over for centuries. It has usually been ruled by ...
. Its potassium feldspar spars are brownish-grey to pale red and up to 1.5 centimetres across. The up to five millimetre wide quartz crystals have a brownish tinge.
See also
*Erratics on and around Rügen
Erratic may refer to:
* Erratic, a project of music artist Jan Robbe
* Glacial erratic, a piece of rock that differs from the size and type of rock native to the area in which it rests
* Erratic ant
The erratic ant (''Tapinoma erraticum'') is a ...
Literature
* Landesamt für Umwelt, Naturschutz und Geologie Mecklenburg-Vorpommern (ed.): ''Geschützte Findlinge der Insel Rügen''. Greifswald 2005, p. 17. Lohme Geography of Rügen Natural monuments in Mecklenburg-Western Pomerania Nardewitz {{VorpommernRügen-geo-stub