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Klonk

First 100 IUGS Geological Heritage SitesGeography of the Czech RepublicNatural monuments in the Czech RepublicStratigraphy of Europe
Klonk (1)
Klonk (1)

Klonk is a national nature monument in the Bohemian Karst Protected Landscape Area in the Czech Republic. It lies in the northern part of the municipality of Suchomasty, approximately 6 kilometres (4 mi) south of Beroun. It is globally recognized as a geologically important location due to the presence of the Global Boundary Stratotype Section and Point (GSSP) marking the boundary between Silurian and Devonian periods. The boundary was set based on the first appearance of the graptolite Monograptus uniformis in the bed number 20. The stratotype was ratified on the 8th of February 1972 by the International Union of Geological Sciences in Montreal as the first formally accepted GSSP.

Excerpt from the Wikipedia article Klonk (License: CC BY-SA 3.0, Authors, Images).

Geographical coordinates (GPS)

Latitude Longitude
N 49.900833333333 ° E 14.061111111111 °
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Address

národní přírodní památka Klonk

11537
267 22 okres Beroun, Suchomasty
Central Bohemia, Czechia
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linkWikiData (Q1131298)
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Klonk (1)
Klonk (1)
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