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Primary identifying data |
| National site accession number |
| E 05 |
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| Geosite name |
| REZERWAT PRZYRODY WĘŻE (SERPENT NATURE RESERVE) |
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| State, country, parish/town |
| Poland, Łódź province, Wieluń district, Działoszyn community, Węże village. |
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| Geographical coordinate |
| 51o 05' 40"- 51o 06' 00" N/18o 47' 20"-18°47' 50" E |
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| Character of site |
| Hill with several caves and paleontological sites. |
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Primary geological data |
| Type of sites |
| A (B, C) |
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| Primary geo(morpho)logical interest |
| Paleontological sites in karst infillings. |
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| Framework element or context represented |
| Karst system in the Upper Jurassic limestones of the Cracow-Silesian Monocline. |
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| Chronostratigraphy |
| Upper Jurassic (Oxfordian) - rocks, Neogene (Pliocene) and Quaternary - karst fills. |
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| Description of primary interest |
| On the Zelce hill (formed of the Upper Jurassic limestone) ca 20 limestone crags and 8 caves have been recorded. The caves represent fragments of the paleokarst system and were partly or completely filled with sediments. The most interesting are three paleontological localities situated in the paleokarst forms. Węże 1 site (W1, WE1), found in 1934, represents sinkhole filled with calcite flowstones, calcareous sandstones, breccias and covered by breccias and sands forming 6 units. In units 2-4 (calcite speleothems and breccias) numerous fossils representing Pliocene (nannoplancton zones Mn 14 and 15) and probably the Early-Middle Pleistocene vertebrate fauna occur. More than 100 taxa of vertebrates have been listed here: amphibians, reptiles, birds and mammals (Insectivora, Chiroptera, Rodentia, Carnivora, Ungulata, Lagomorpha). The fauna represents several communities related to warm-moderate, humid to semi-arid climates. Węże 2 site (W2, WE2), explored in 1958-62, is paleokarst conduit filled with clays containing bones of mammals, amphibians and reptiles of mediterranean climate and the Pliocene age (Mn 15). Jaskinia Mała site (MA), explored in 1971-79, is the cave partly filled with sediments, among which more than 20 units were distinguished. The units represent two successions separated with long break of sedimentation. In the units 4-5 of the lower succession fossils of the Early Pliocene (MN 14-15) fauna occur (Insectivira, Chiroptera, Rodentia typical for mediterranean and semi-arid climates). In the upper succession (units 7-22) fossils of the Late Pleistocene have been found. Węże 1 and 2 are the type localities for more than 25 taxa, representing mainly Rodentia, Carnivora and Insectivora. |
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| Comparative assessment/justification/qualities in relation to other sites |
| The best known and ones of the most important localities of the Neogene fauna in Poland. |
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Secondary supporting data |
| Map sheet |
| M-34-26-D |
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| Elevation |
| 190-230 m a.s.l. |
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| Geosite area |
| 20.74 ha |
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| Illustrations |
| Map 087. |
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| Protection status, accessibility |
| Nature reserve (since 1972), accessible by touristic and educational trails. |
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| Other values |
| Landscape and xerothermic flora. |
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| Literature |
| GŁAZEK J. 1989-Paleokarst of Poland. In: Bosak P., et al. (eds.) Paleokarst. Academia, Praha: 77-105. GŁAZEK J., SULIMSKI A., WYSOCZAŃSKI-MINKOWICZ T. 1976-On the stratigraphic position of Węże 1 locality (Middle Poland). Proc. 6 Intern. Congr. Speleolog., v. 1, Praha: 435-442. JANOSSY D. 1974-Upper Pliocene and Lower Pleistocene bird remains from Poland. Acta Zool. Cracov. 19: 531-566. KOWALSKI K. 1964-Paleoecology of mammals from the Pliocene and early Pleistocene of Poland (English sum.). Acta Theriol. 8, 4: 73-88. KOWALSKI K. (ed.) 1989-History and evolution of the terrestial fauna of Poland (English sum.). Folia Quatern. 59-60, 278 pp. KOWALSKI K. 1990-Stratigraphy of Neogene mammals of Poland. In: Lindsay E. H. et al.. eds., European Mammals Chronology. NATO ASI, ser. A., vol. 180, Plenum Press, New York: 119-130. MŁYNARSKI M., et al. 1984-Amphibians and reptiles from the Pliocene locality of Węże 2 near Działoszyn (Poland). Acta Geol. Pol. 29, 3-4: 209-226. RZEBIK-KOWALSKA B. 1994-Pliocene and Quaternary Insectivora (Mammalia) of Poland. Acta Zool. Cracov. 37, 1: 77-136. STEFANIAK K. 1995-Late Pliocene cervids from Węże 2 in Southern Poland. Acta Paleont. Pol. 40, 3: 327-340. SULIMSKI A. 1962-New site of the fossil vertebrates at Węże near Działoszyn (English sum.). Przegl. Geol. 10, 4-5: 219-223. SULIMSKI A. 1964-Pliocene Lagomorpha and Rodentia from Węże I (Poland). Acta Palaeont. Pol. 9, 2: 149-261. SULIMSKI A., SZYNKIEWICZ A., WOŁOSZYN B. 1979-The Middle Pliocene micromammals from Central Poland. Acta Palaeont. Pol. 24, 3: 377-403. |
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| Author(s) |
| Jan Urban - Institute of Nature Conservation, Polish Academy of Sciences, Kraków. |
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Illustrations |
| Location of geosite |
| Location of geosite no. E 05 |
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| COPYRIGHT © INC PAS 2006-2009 |
