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The Western Carpathians are a
mountain range A mountain range or hill range is a series of mountains or hills arranged in a line and connected by high ground. A mountain system or mountain belt is a group of mountain ranges with similarity in form, structure, and alignment that have arise ...
and geomorphological province that forms the western part of the Carpathian Mountains. The mountain belt stretches from the
Low Beskids The Low Beskids ( sk, Nízke Beskydy) or Central Beskids ( pl, Beskidy Środkowe; cs, Centrální Beskydy; uk, Центральні Бескиди) are a mountain range in southeastern Poland and northeastern Slovakia. They constitute a middle ...
range of the Eastern Carpathians along the border of
Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populous ...
with
Slovakia Slovakia (; sk, Slovensko ), officially the Slovak Republic ( sk, Slovenská republika, links=no ), is a landlocked country in Central Europe. It is bordered by Poland to the north, Ukraine to the east, Hungary to the south, Austria to the s ...
toward the
Moravia Moravia ( , also , ; cs, Morava ; german: link=yes, Mähren ; pl, Morawy ; szl, Morawa; la, Moravia) is a historical region in the east of the Czech Republic and one of three historical Czech lands, with Bohemia and Czech Silesia. The m ...
n region of the
Czech Republic The Czech Republic, or simply Czechia, is a landlocked country in Central Europe. Historically known as Bohemia, it is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the southeast. The ...
and the
Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...
n
Weinviertel The ("wine quarter") or ("area below the ") is located in the northeast of Lower Austria. In the east, the borders Slovakia at the March River. In the south, it borders and , its limits being the Wagram, the Danube and the . Its western nei ...
. In the south the
North Hungarian Mountains The North Hungarian Mountains ( hu, Északi-középhegység), sometimes also referred to as the Northeast Hungarian Mountains, Northeast Mountains, North Hungarian Highlands, North Hungarian Mid-Mountains or North Hungarian Range, is the norther ...
cover northern
Hungary Hungary ( hu, Magyarország ) is a landlocked country in Central Europe. Spanning of the Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the south, Croatia a ...
. The area of the Western Carpathians comprises about 70,000 km². The highest elevation is the
Gerlachovský štít Gerlachovský štít (, translated into English as ''Gerlachov Peak'', German: ''Gerlsdorfer Spitze'', Hungarian: ''Gerlachfalvi-csúcs''), informally referred to as Gerlach, is the highest peak in the High Tatras, in Slovakia, and in the Carpat ...
(2,655m).


Geographical definition

Most of the perimeter of the Western Carpathians is quite sharply defined by valleys. To the northwest and north they are separated from the
Bohemian Massif The Bohemian Massif ( cs, Česká vysočina or ''Český masiv'', german: Böhmische Masse or ''Böhmisches Massiv'') is a geomorphological province in Central Europe. It is a large massif stretching over most of the Czech Republic, eastern Ger ...
by the Forecarpathian Lowland and the
Lesser Poland Upland Lesser, from Eliezer (, "Help/Court of my God"), is a surname. Notable people with the surname include: * Adolf Lesser (1851–1926), German physician * Aleksander Lesser (1814–1884), Polish painter and art critic * Anton Lesser (born 1952), Br ...
; to the west the
Moravian Gate The Moravian Gate ( cs, Moravská brána, pl, Brama Morawska, german: Mährische Pforte, sk, Moravská brána) is a geomorphological feature in the Moravian region of the Czech Republic and the Upper Silesia region in Poland. It is formed by the ...
leads over to the Sudetes. To the south the mountain chain falls away towards the
Pannonian Plain The Pannonian Basin, or Carpathian Basin, is a large basin situated in south-east Central Europe. The geomorphological term Pannonian Plain is more widely used for roughly the same region though with a somewhat different sense, with only the ...
, a large plain situated between the
Alps The Alps () ; german: Alpen ; it, Alpi ; rm, Alps ; sl, Alpe . are the highest and most extensive mountain range system that lies entirely in Europe, stretching approximately across seven Alpine countries (from west to east): France, Sw ...
, the
Dinaric Alps The Dinaric Alps (), also Dinarides, are a mountain range in Southern and Southcentral Europe, separating the continental Balkan Peninsula from the Adriatic Sea. They stretch from Italy in the northwest through Slovenia, Croatia, Bosnia and Herz ...
, and the main mass of the Eastern Carpathians. The boundary between the Western Carpathians and the
Eastern Alps Eastern Alps is the name given to the eastern half of the Alps, usually defined as the area east of a line from Lake Constance and the Alpine Rhine valley up to the Splügen Pass at the Alpine divide and down the Liro River to Lake Como in t ...
is formed by the
Vienna Basin The Vienna Basin (german: Wiener Becken, cz, Vídeňská pánev, sk, Viedenská kotlina, Hungarian: ''Bécsi-medence'') is a geologically young tectonic burial basin and sedimentary basin in the seam area between the Alps, the Carpathians and t ...
, the Hainburg Hills of the
Little Carpathians The Little Carpathians (also: ''Lesser Carpathians'', sk, Malé Karpaty; german: Kleine Karpaten; hu, Kis-Kárpátok) are a low, about 100 km long, mountain range, part of the Carpathian Mountains. The mountains are situated in Western Slov ...
at
Devín Gate Devín Gate, Hainburger Gate or Hungarian Gates ( sk, Devínska brána, ; german: Hainburger Pforte) is a natural gate in the Danube valley at the border of Slovakia and Austria. It is one out of four geomorphological areas of the Devín Carpathi ...
, and a gap carved by the
Danube The Danube ( ; ) is a river that was once a long-standing frontier of the Roman Empire and today connects 10 European countries, running through their territories or being a border. Originating in Germany, the Danube flows southeast for , p ...
. To the east and northeast the mountains are bounded by the East Slovak and
Sandomierz Basin Sandomierz Basin ( pl, Kotlina Sandomierska) is a lowland, located in southeastern Poland, between the Lesser Poland Upland, Lublin Upland and the Western Carpathians. Its name comes from the historical city of Sandomierz, and the basin has a trian ...
s, but it is less striking and passes through highland terrain that continues to the Eastern Carpathians.


Geology

The Western Carpathians are part of the northern branch of alpine orogeny, which was formed by the closure of the
Tethys Ocean The Tethys Ocean ( el, Τηθύς ''Tēthús''), also called the Tethys Sea or the Neo-Tethys, was a prehistoric ocean that covered most of the Earth during much of the Mesozoic Era and early Cenozoic Era, located between the ancient continents ...
millions of years ago. The Western Carpathians are part of the
Alpide belt The Alpide belt or Alpine-Himalayan orogenic belt,K.M. Storetvedt, K. M., ''The Tethys Sea and the Alpine-Himalayan orogenic belt; mega-elements in a new global tectonic system,'' Physics of the Earth and Planetary Interiors, Volume 62, Issues 1 ...
. To the west they longitudinally join the
Alps The Alps () ; german: Alpen ; it, Alpi ; rm, Alps ; sl, Alpe . are the highest and most extensive mountain range system that lies entirely in Europe, stretching approximately across seven Alpine countries (from west to east): France, Sw ...
, but the exact boundary is hidden under the Neogene sedimentary fill of the
Vienna Basin The Vienna Basin (german: Wiener Becken, cz, Vídeňská pánev, sk, Viedenská kotlina, Hungarian: ''Bécsi-medence'') is a geologically young tectonic burial basin and sedimentary basin in the seam area between the Alps, the Carpathians and t ...
. To the east, their boundary with the
Eastern Carpathians Divisions of the Carpathians are a categorization of the Carpathian mountains system. Below is a detailed overview of the major subdivisions and ranges of the Carpathian Mountains. The Carpathians are a "subsystem" of a bigger Alps-Himalaya Sy ...
is the valley of the
Hornád Hornád ( Slovak, ) or Hernád ( Hungarian, ) is a river in eastern Slovakia and north-eastern Hungary. It is a tributary to the river Slaná (Sajo). The source of the Hornád is the eastern slopes of Kráľova hoľa hill, south of Šuňava. ...
or
Uzh River The Uzh ( uk, Уж; translit. ''Uzh''; sk, Uh; hu, Ung, pl, Uż) is a river in Ukraine and Slovakia. Its name comes from the ancient west Slavic dialect word ''už'', meaning "Snake", (lat. "Serpentes"). The Uzh is a tributary of the Labor ...
. The northern boundary with the
East European craton The East European Craton (EEC) is the core of the Baltica proto- plate and consists of three crustal regions/segments: Fennoscandia to the northwest, Volgo-Uralia to the east, and Sarmatia to the south. Fennoscandia includes the Baltic Shield ( ...
and
Bohemian Massif The Bohemian Massif ( cs, Česká vysočina or ''Český masiv'', german: Böhmische Masse or ''Böhmisches Massiv'') is a geomorphological province in Central Europe. It is a large massif stretching over most of the Czech Republic, eastern Ger ...
is well marked by the thrust of
nappe In geology, a nappe or thrust sheet is a large sheetlike body of rock that has been moved more than or above a thrust fault from its original position. Nappes form in compressional tectonic settings like continental collision zones or on the o ...
s of the
Carpathian flysch belt The Carpathian Flysch Belt is an arcuate tectonic zone included in the megastructural elevation of the Carpathians on the external periphery of the mountain chain. Geomorphologically it is a portion of the Outer Carpathians. Geologically it is a ...
. The southern boundary is less clear, because later postorogenetic evolution caused formation of
basins Basin may refer to: Geography and geology * Depression (geology) ** Back-arc basin, a submarine feature associated with island arcs and subduction zones ** Debris basin, designed to prevent damage from debris flow ** Drainage basin (hydrology), a ...
, penetrating the mountain chain non-uniformly. The Western Carpathians have a complicated geological structure, that has been formed since the
Paleozoic The Paleozoic (or Palaeozoic) Era is the earliest of three geologic eras of the Phanerozoic Eon. The name ''Paleozoic'' ( ;) was coined by the British geologist Adam Sedgwick in 1838 by combining the Greek words ''palaiós'' (, "old") and ' ...
era. The oldest Paleozoic
rocks In geology, rock (or stone) is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its chemical composition, and the way in which it is formed. Rocks form the Earth's ...
experienced the first stage of deformation during the
Hercynian orogeny The Variscan or Hercynian orogeny was a geologic mountain-building event caused by Late Paleozoic continental collision between Euramerica (Laurussia) and Gondwana to form the supercontinent of Pangaea. Nomenclature The name ''Variscan'', comes f ...
, but younger Alpine overprint is common. Alpine orogeny affected the area in several stages from
Jurassic The Jurassic ( ) is a geologic period and stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately Mya. The Jurassic constitutes the middle period of ...
to Neogene. During this period, parts of
Tethys Ocean The Tethys Ocean ( el, Τηθύς ''Tēthús''), also called the Tethys Sea or the Neo-Tethys, was a prehistoric ocean that covered most of the Earth during much of the Mesozoic Era and early Cenozoic Era, located between the ancient continents ...
were subducted under the
African plate The African Plate is a major tectonic plate that includes much of the continent of Africa (except for its easternmost part) and the adjacent oceanic crust to the west and south. It is bounded by the North American Plate and South American Plate ...
and Western Carpathian blocks were thrust over the margin of the
Eurasian plate The Eurasian Plate is a tectonic plate that includes most of the continent of Eurasia (a landmass consisting of the traditional continents of Europe and Asia), with the notable exceptions of the Indian subcontinent, the Arabian subcontinent and ...
. Tectonic units of the Western Carpathians are arranged in belt-like order, with the external units in the north and internal units in the south. Alpine evolution of the Western Carpathians is dominated by extension and closure of two or three oceanic domains:Plašienka, D., 2002
''Origin and growth of the Western Carpathian orogenetic wedge during the mesozoic.''
Geologica Carpathica Special Issues, 53, Proceedings of XVII. Congress of Carpathian-Balkan Geological Association Bratislava, September 1st - 4th 2002
Triassic-Jurassic Meliata-Halstatt Ocean, Jurassic-Cretaceous Piemont-Vahic Ocean/Zone and Cretaceous-Tertiary Valais-Magura Ocean. After a subduction of the Meliata Ocean, the Internal Western Carpathians were formed. Suturing of Vahic domain finalized thrusting in the
Central Western Carpathians Central is an adjective usually referring to being in the center (disambiguation), center of some place or (mathematical) object. Central may also refer to: Directions and generalised locations * Central Africa, a region in the centre of Africa ...
, and consuming the crust of Carpathian Flysch Basins caused the formation of the External West Carpathian
accretionary wedge An accretionary wedge or accretionary prism forms from sediments accreted onto the non- subducting tectonic plate at a convergent plate boundary. Most of the material in the accretionary wedge consists of marine sediments scraped off from the d ...
( Flysch Belt).


References

{{Authority control Mountain ranges of the Carpathians Mountain ranges of Austria Mountain ranges of the Czech Republic Mountain ranges of Hungary Mountain ranges of Poland Mountain ranges of Slovakia