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The Buda Hills ( Hungarian: ''Budai-hegység'') are a low mountain range of numerous hills which dot the
Buda Buda (; german: Ofen, sh-Latn-Cyrl, separator=" / ", Budim, Будим, Czech and sk, Budín, tr, Budin) was the historic capital of the Kingdom of Hungary and since 1873 has been the western part of the Hungarian capital Budapest, on the ...
side of
Budapest Budapest (, ; ) is the capital and most populous city of Hungary. It is the ninth-largest city in the European Union by population within city limits and the second-largest city on the Danube river; the city has an estimated population o ...
, capital of Hungary. The most famous ones located within city limits are
Gellért Hill Gellért Hill ( hu, Gellért-hegy; german: Blocksberg; la, Mons Sancti Gerhardi tr, Gürz İlyas Bayırı) is a high hill overlooking the Danube in Budapest, Hungary. It is located in the 1st and the 11th districts. The hill was named after ...
, Castle Hill, Rózsadomb, ,
János Hill János or Janos may refer to: * János, male Hungarian given name, a variant of John Places * Janos Municipality, a municipality of Chihuahua ** Janos, Chihuahua, town in Mexico ** Janos Biosphere Reserve, a nature reserve in Chihuahua * Jano ...
, and Eagle Hill. These hills consist of both nature and residential areas.


Geology

The Budaörs dolomite of Anisian-Carnian age (
Triassic period The Triassic ( ) is a geologic period and system which spans 50.6 million years from the end of the Permian Period 251.902 million years ago ( Mya), to the beginning of the Jurassic Period 201.36 Mya. The Triassic is the first and shortest period ...
) is the oldest formation which crops out in the Buda Hills. Younger Triassic succession is composed of
chert Chert () is a hard, fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline quartz, the mineral form of silicon dioxide (SiO2). Chert is characteristically of biological origin, but may also occur inorganically as a c ...
y
dolomite Dolomite may refer to: *Dolomite (mineral), a carbonate mineral *Dolomite (rock), also known as dolostone, a sedimentary carbonate rock *Dolomite, Alabama, United States, an unincorporated community *Dolomite, California, United States, an unincor ...
and limestone (basin facies), and dolomite combined with limestone (platform facies). The Trassic surface is composed of
karst Karst is a topography formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum. It is characterized by underground drainage systems with sinkholes and caves. It has also been documented for more weathering-resistant ...
ified
carbonate A carbonate is a salt of carbonic acid (H2CO3), characterized by the presence of the carbonate ion, a polyatomic ion with the formula . The word ''carbonate'' may also refer to a carbonate ester, an organic compound containing the carbonate g ...
s, which are overlain by an
Upper Eocene The Eocene ( ) Epoch is a geological epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period in the modern Cenozoic Era. The name ''Eocene'' comes from the Ancient Greek (''ēṓs'', "daw ...
succession made of
conglomerate Conglomerate or conglomeration may refer to: * Conglomerate (company) * Conglomerate (geology) * Conglomerate (mathematics) In popular culture: * The Conglomerate (American group), a production crew and musical group founded by Busta Rhymes ** ...
beds. During the period from the terminal Cretaceous to Priabonian, the area was a karstic terrestrial environment displaying distinct relief differences. It was also the time when Triassic formations were eroded. The continental period (ended by the transgression in
Late Eocene The Eocene ( ) Epoch is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene' ...
) was characterized by the formation of small fans at the slope foot. The fans contained substantial quantities of andesite
clasts Clastic rocks are composed of fragments, or clasts, of pre-existing minerals and rock. A clast is a fragment of geological detritus,Essentials of Geology, 3rd Ed, Stephen Marshak, p. G-3 chunks, and smaller grains of rock broken off other rocks ...
thanks to the fans' close location to the andesite source rocks. The clasts could have been then transported by periodic streams along the valleys. The Late Eocene transgression reworked accumulated terrestrial sediments.


Important hills

The most important hills of the region are: * * Ferenc Hill *
János Hill János or Janos may refer to: * János, male Hungarian given name, a variant of John Places * Janos Municipality, a municipality of Chihuahua ** Janos, Chihuahua, town in Mexico ** Janos Biosphere Reserve, a nature reserve in Chihuahua * Jano ...
* * * * * * *


Gallery

View of Buda Hills.jpg, A view of the hills View of Buda.jpg, Another view Hunyad-orom, Budapest.jpg, Hunyad-orom Buda_Hills_03.jpg, A slope from the hills Kiltás a Gellért-hegyről.jpg, A view from Gellért Hill


Further reading

* * * * * * *


References

{{Coord missing, Hungary