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88-566: Greshnevo may refer to: Greshnevo, Moscow Oblast , a village in Moscow Oblast , Russia Greshnevo, Yaroslavl Oblast , a village in Yaroslavl Oblast, Russia [REDACTED] Index of articles associated with the same name This set index article includes a list of related items that share the same name (or similar names). If an internal link incorrectly led you here, you may wish to change

176-507: A pioneer of the study of karst in Slovenia and a fellow of the Royal Society , London, introduced the word karst to European scholars in 1689 to describe the phenomenon of underground flows of rivers in his account of Lake Cerknica . Jovan Cvijić greatly advanced the knowledge of karst regions to the point where he became known as the "father of karst geomorphology". Primarily discussing

264-562: A proper noun, the Slovene form Grast was first attested in 1177. Ultimately, the word is of Mediterranean origin. It has also been suggested that the word may derive from the Proto-Indo-European root karra- 'rock'. The name may also be connected to the oronym Kar(u)sádios oros cited by Ptolemy , and perhaps also to Latin Carusardius . Johann Weikhard von Valvasor ,

352-401: A sport than a science and so the underground karst caves and their associated watercourses were, from a scientific perspective, understudied. Karst is most strongly developed in dense carbonate rock , such as limestone, that is thinly bedded and highly fractured . Karst is not typically well developed in chalk , because chalk is highly porous rather than dense, so the flow of groundwater

440-519: A well in a fracture trace or intersection of fracture traces increases the likelihood to encounter good water production. Voids in karst aquifers can be large enough to cause destructive collapse or subsidence of the ground surface that can initiate a catastrophic release of contaminants. Groundwater flow rate in karst aquifers is much more rapid than in porous aquifers. For example, in the Barton Springs Edwards aquifer, dye traces measured

528-462: Is 25–50 centimeters (9.8–19.7 in) and the soil freezes to 65–75 centimeters (26–30 in). The warmest month is July with the average temperature of +18.0 °C (64.4 °F) in the northwest and +20.0 °C (68.0 °F) in the southeast. The maximum temperature of +40 °C (104 °F) was recorded in Kolomna during 2010 Northern Hemisphere summer heat waves . The average annual rainfall

616-592: Is 450–650 millimeters (18–26 in), the precipitation is maximal in the northwestern and minimal in the southeastern regions. The summer precipitation is usually 75 millimeters (3.0 in), but severe droughts occur once in 25–30 years, with less than 5 millimeters (0.20 in) of rain over June–August. There are more than three hundred rivers with the length above 10 kilometers (6.2 mi) in Moscow Oblast. All rivers are calm and have well-developed valleys and floodplains . They are mostly fed by melting snow and

704-493: Is a UNESCO World Heritage Site. Many karst-related terms derive from South Slavic languages , entering scientific vocabulary through early research in the Western Balkan Dinaric Alpine karst. The study of the various aspects of karst regions is called karstology. This includes biological, chemical, ecological, geomorphological, hydrogeological, hydrological, political, socio-economical, and other processes over

792-542: Is a development of karst observed in geological history and preserved within the rock sequence, effectively a fossil karst. There are for example palaeokarst surfaces exposed within the Clydach Valley Subgroup of the Carboniferous Limestone sequence of South Wales which developed as sub-aerial weathering of recently formed limestones took place during periods of non-deposition within the early part of

880-525: Is a karst landscape which is developed beneath a cover of insoluble rocks. Typically this will involve a cover of sandstone overlying limestone strata undergoing solution. In the United Kingdom for example extensive doline fields have developed at Cefn yr Ystrad , Mynydd Llangatwg and Mynydd Llangynidr in South Wales across a cover of Twrch Sandstone which overlies concealed Carboniferous Limestone ,

968-855: Is about 650 tonnes. Phosphates are produced in the Yegorevskoye and Severskoye fields. Meshchera and Verkhnevolzhsk Lowlands are rich in peat . The largest mines are "Ryazanovskoe" (840,000 tonnes per year) and "Radovitsky moss" (760,000 tonnes per year), both around Yegoryevsk . There are deposits of brown coal beyond the Oka River, but they have no commercial value. There are also minor deposits of titanium and iron ore in Serpukhovsky and Serebryano-Prudsky Districts . Salts of potassium salt are being developed around Serpukhov and Yegoryevsk. There are also numerous mineral springs near Zvenigorod, Klin, and Serpukhov. They include surface springs and reservoirs at

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1056-468: Is developed in areas where salt is undergoing solution underground. It can lead to surface depressions and collapses which present a geo-hazard. Karst areas tend to have unique types of forests. The karst terrain is difficult for humans to traverse, so that their ecosystems are often relatively undisturbed. The soil tends to have a high pH, which encourages growth of unusual species of orchids, palms, mangroves, and other plants. Paleokarst or palaeokarst

1144-870: Is dominated by relatively infertile podsol soils which require fertilizers for commercial agriculture. On the hills there is more loam and the low-lying areas have more of bog, sandy loam and sand. Chernozem is scarce and occurs only south of the Oka River. Gray forest soils are spread between the Oka, Moskva, and Klyazma Rivers, mostly in Ramensky and Voskresensky Districts. Marshy soils are common in Meshchersk and Verkhnevolzhsk lowlands. Valleys of large rivers are rich in alluvial soils. In general, soils are heavily polluted with chemical fertilizers, pesticides, and household and industrial waste, especially around Moscow, Orekhovo-Zuyevo , Noginsk , and Voskresensk. Moscow Oblast lies within

1232-634: Is evidence for bog turtles in some areas. Amphibians are represented by 11 species including smooth newt , great crested newt , common toad , European green toad , common frog , moor frog , marsh frog , common spadefoot and European fire-bellied toad . Insects are numerous, with bees alone accounting for more than 300 species. In Serpukhovsky District, there is the Prioksko-Terrasny Nature Reserve which contains protected wisents . Near Moscow lies Losiny Ostrov National Park of federal significance. The ecological situation in

1320-612: Is frequently unseen until the roof of a cavern suddenly collapses. Such events have swallowed homes, cattle, cars, and farm machinery. In the United States, sudden collapse of such a cavern-sinkhole swallowed part of the collection of the National Corvette Museum in Bowling Green, Kentucky in 2014. The world's largest limestone karst is Australia's Nullarbor Plain . Slovenia has the world's highest risk of sinkholes, while

1408-407: Is important in petroleum geology because as much as 50% of the world's hydrocarbon reserves are hosted in carbonate rock , and much of this is found in porous karst systems. The English word karst was borrowed from German Karst in the late 19th century, which entered German usage much earlier, to describe a number of geological, geomorphological, and hydrological features found within

1496-507: Is located in the central part of the East European craton . Like all cratons, the latter is composed of the crystalline basement and sedimentary cover. The basement consists of Archaean and Proterozoic rocks and the cover is deposited in the Palaeozoic , Mesozoic and Cenozoic eras. The lowest depth of the basement (1,000 meters (3,300 ft)) is to the south of Serebryanye Prudy , in

1584-562: Is near the town of Elektrougli with the reserves of 3 billion tonnes. Also widespread are loams which are used in brick manufacture and limestones ("white stone"). The famous Myachkovo deposit of carboniferous limestone provided material that went for cladding of such buildings in Moscow as the Bolshoi Theater . The mining in Myachkovo had been stopped and currently, limestone is provided by

1672-399: Is not concentrated along fractures. Karst is also most strongly developed where the water table is relatively low, such as in uplands with entrenched valleys , and where rainfall is moderate to heavy. This contributes to rapid downward movement of groundwater, which promotes dissolution of the bedrock, whereas standing groundwater becomes saturated with carbonate minerals and ceases to dissolve

1760-2102: Is second in Russia, after the city of Moscow. The industry of the Oblast relies on imported raw materials, strong scientific and technological base and highly skilled workforce; it is closely linked with the industry of Moscow. Well developed are machinery and metalworking. There are plants for the thermal and nuclear power engineering ( ZiO-Podolsk in Podolsk ), nuclear fuel ( TVEL in Elektrostal ), space and missile ( Energia in Korolyov , Lavochkin in Khimki , NGO engineering in Reutov , FTSDT "Union" in Dzerzhinsky  – development of solid rocket fuel, etc., IBC "Horizon" in Dzerzhinsky  – power plants for aircraft, etc.); locomotives ( Kolomna factory ), metro cars ( Metrowagonmash in Mytischi ), electric trains (Demikhovsky Engineering Works), cars ( SeAZ ), buses (Likinsky bus plant in Likino-Dulyovo ); agricultural machines, excavators and cranes ( Lyubertsy , Dmitrov , Balashikha ); stainless steel ( Elektrostal ), cables ( Podolsk ), optical devices (Krasnogorsky plant, Lytkarino Optical Glass Factory). There are many defense enterprises, such as Russian Center for demonstrations of weapons, military equipment and technology in Krasnoarmeysk ; Kamov , Phazotron , Bazalt , NPP Zvezda , MKB Fakel , MKB Raduga , National Research Institute of Aviation Systems, Krasnozavodsk Chemical Plant, Tikhomirov Scientific Research Institute of Instrument Design , Moscow Research Institute "Agat", Dolgoprudnenskoe Scientific Production Plant , and many others. Chemical industry of

1848-554: Is steeper than the southern part. The uplands contain lakes of glacial origin, such as Lakes Nerskoye and Krugloye. To the north of the Moscow Uplands lies the alluvial Verhnevolzhsk Depression; It is marshy and flat with the height varying between about 120 meters (390 ft) and 150 meters (490 ft). To the south stretches a hilly area of the Moskvoretsko-Oksk plain. Its greatest height of 254 meters (833 ft) lies in

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1936-611: Is the following: In very rare conditions, oxidation can play a role. Oxidation played a major role in the formation of ancient Lechuguilla Cave in the US state of New Mexico and is presently active in the Frasassi Caves of Italy. The oxidation of sulfides leading to the formation of sulfuric acid can also be one of the corrosion factors in karst formation. As oxygen (O 2 )-rich surface waters seep into deep anoxic karst systems, they bring oxygen, which reacts with sulfide present in

2024-472: Is the least developed in the northern, eastern and western border regions. In the southern region, especially south of the Oka River, more than 50% of land is used in agriculture. Horticulture is typical for the southern region with most of the sown area (more than 3/5) occupied by forage crops. Large areas are reserved for grains, especially wheat, barley , oats and rye , and significant role plays potato. Greenhouses are very common and Moskovsky city hosts

2112-687: Is used in the glass industry, their production is conducted from the end of 17th century near Lyubertsy . Much of the production is currently halted due to environmental concerns, and only the Yeganovskoye field is being exploited; its silica sand reserves are 33 million tonnes and annual production reaches 675,000 tonnes. Sand and gravel deposits are abundant within the Smolensk-Moscow Upland. Sandstone deposits are developed in Klinsky and Dmitrovsky Districts . There are numerous clay deposits within

2200-411: The 2013 elections . Karst Karst ( / k ɑːr s t / ) is a topography formed from the dissolution of soluble carbonate rocks such as limestone and dolomite . It is characterized by features like poljes above and drainage systems with sinkholes and caves underground. There is some evidence that karst may occur in more weathering -resistant rocks such as quartzite given

2288-942: The Likino-Dulyovo (Dulevo Porcelain Factory) and Verbilki and dry mortar plant in Krasnogorsk. Light industry is the oldest in the region; it was started in the 17th century and with 35% contribution was leading the gross industrial production. There is still production of cotton (in Yegoryevsk, Noginsk , Orekhovo-Zuyevo ), wool (in Pavlovsky Posad and Pushkino ) and jerseys (in Ivanteyevka and Dmitrov ). The silk production in Naro-Fominsk had been stopped. Traditional and renowned crafts include Gzhel , Zhostovo painting and Fedoskino miniature . Large foreign investment projects include

2376-634: The Middle Pleistocene , there were two powerful glaciations. The Dnieper glacier covered a large part of the Russian Plain, whereas the Moscow glaciation stopped just south of the present city of Moscow. The last glaciation, the Valdai glaciation, occurred in the Late Pleistocene ; it did not directly affect the territory of Moscow Oblast, but left traces in the form of fluvioglacial deposits , mainly in

2464-800: The Sergiyevo-Posadsky District . Contamination level is highest in Moscow, Voskresensk and Klin, high in Dzerzhinsky , Kolomna , Mytishchi , Podolsk , Serpukhov , Shchyolkovo , and Elektrostal , and low in Prioksko-Terrasny Biosphere Reserve. The major contaminants are formaldehyde and phenol in Moscow; ammonia and hydrogen fluoride in Voskresensk; formaldehyde in Klin, Kolomna, Mytishchi and Podolsk, phenol in Serpukhov. The most polluted rivers are Moscow, Oka and Klyazma. In

2552-626: The range of the Dinaric Alps , stretching from the northeastern corner of Italy above the city of Trieste , across the Balkan peninsula along the coast of the eastern Adriatic to Kosovo and North Macedonia , where the massif of the Šar Mountains begins. The karst zone is at the northwesternmost section, described in early topographical research as a plateau between Italy and Slovenia . Languages preserving this form include Italian : Carso , German : Karst , and Albanian : karsti . In

2640-613: The 13th century, the land around Moscow was part of Grand Duchy of Moscow , which subsequently was the center of the unification of Russian lands, in particular the Mongol raids. In 1380, from Kolomna the prince Dmitry Donskoy led his troops to defeat the Mongols at the Battle of Kulikovo . The southern part of Moscow Oblast was then part of the Principality of Ryazan ; it was attached to Moscow only in

2728-630: The 1520. In 1708, Moscow Governorate was established by the decree of Peter the Great ; the area included most of the present Moscow Oblast. The Battle of Borodino , which decided the outcome of the French invasion of Russia was fought in 1812 near Mozhaysk . Industries developed in Moscow Oblast in the 17–19th centuries. They were centered in Bogorodsk , Pavlovsky Posad , and Orekhovo-Zuyevo and were dominated by textile production. The first railway in Russia

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2816-1184: The 18–19th centuries reduced them and changed their species: conifers were replaced by birch and aspen . There is almost no logging nowadays and the forests are being restored, especially around Moscow. Swamps are prevalent in the eastern areas, such as Shatursky and Lukhovitsky Districts . The natural floodplain meadows are almost gone. The number of native plant species is reduced, but some foreign species flourish, such as Canadian maple . Endemic species include water caltrop and lady's slipper . The mammals of Moscow Oblast include badger , squirrel, beaver , otter , muskrat , stoat , Russian desman , raccoon dog , hedgehog, hare ( mountain and European ), shrews ( common shrew , Eurasian pygmy shrew , lesser white-toothed shrew , Eurasian water shrew , etc.), weasel , fox, moose , wild boar, European mole , brown and black rats , marten , mice and voles ( wood mouse , yellow-necked mouse , house mouse , Eurasian harvest mouse , northern birch mouse , bank vole , field vole , tundra vole , European water vole ), European mink , deer ( roe , red , spotted ), hazel and fat dormouse , and European polecat . At

2904-521: The Moscow Oblast is serious. The areas adjacent to Moscow, and industrial zones in the east and south-east regions are heavily polluted. Most contamination originates from emissions from Kashira and Shatura Power Stations and disposal of household and industrial waste. For example, the Timohovskaya dump is one of the largest in Europe; other objects of concern are aging oil storage tanks, and nuclear waste in

2992-559: The Moscow area and in major cities (in particular, in Podolsk, Orekhovo-Zuyevo, Serpukhov, Lukhovitsy and Stupino) also heavily polluted are groundwaters. The territory of what is now Moscow Oblast had been inhabited for more than twenty thousand years. Numerous mounds and settlements from Iron Age were discovered there. Up to the 9–10th centuries, the Moskva River basin and adjacent lands were inhabited by Finnic peoples . Slavs populated

3080-535: The Oblast produces acids ( Shchyolkovo ), mineral fertilizers (plants named "Phosphates" and "Mineral fertilizers" in Voskresensk ), synthetic fibers ( Serpukhov and Klin ), plastics ( Orekhovo-Zuyevo ), varnishes and paints (Sergiyev Posad, Odintsovsky paint factories), pharmaceuticals ( Staraya Kupavna ). There is a well-developed industry of construction materials with production of cement in Voskresensk and Kolomna (Shchurovsky cement factory), earthenware, porcelain in

3168-535: The area of Tyoply Stan , within the Moscow city limits. The plain has clearly defined river valleys, especially in the south parts, and occasional karst relief, mostly in Serpukhovsky District . In the extreme south, after the Oka River, lies the Central Russian Upland . It contains numerous gullies and ravines and has average height above 200 m with the maximum of 236 m near Pushchino . Most of

3256-403: The area only in the 10th century. In mid-12th century, the lands became part of Vladimir-Suzdal Principality . Several important cities were founded around that time, including Volokolamsk (1135), Moscow (1147), Zvenigorod (1152), and Dmitrov (1154). In the first half of the 13th century, the entire Vladimir-Suzdal Principality, including the Moscow area, was conquered by the Mongols. In

3344-699: The area was renamed Moscow Oblast and on July 30, 1930, the division into ten okrugs was abolished. Parts of the then bulky Moscow Oblast were gradually transferred to other divisions. In particular, twenty-six districts became part of Kalinin Oblast in January 1935, and another seventy-seven districts were separated in September 1937 as Tula and Ryazan Oblasts . Borovsky , Vysokinichsky District  [ ru ] , Maloyaroslavetsky , Ugodsko-Zavodsky , and Petushinsky Districts were transferred in 1944 to Kaluga and Vladimir Oblasts. In 1941 and 1942, one of

3432-581: The area with large numbers of crows, sparrows, ducks, magpies, woodpeckers, thrushes , grouses , bullfinches , nightingales , corncrakes , northern lapwings , white storks , grey herons , seagulls and grebes . Over forty species are being hunted. Rivers and lakes of Moscow Oblast are rich in fish, such as ruffe , carp , bream , bass , roaches , Chinese sleeper , perch and pike . There are six species of reptiles: three lizards ( slowworm , viviparous lizard and sand lizard ) and three snakes ( European adder , grass snake and smooth snake ). There

3520-402: The average temperature below 0 °C (32 °F) lasts 130–150 days, beginning in early or mid-November and ending in late March (or very early April). The average annual temperature varies from +3.5 °C (38.3 °F) to +5.5 °C (41.9 °F). The coldest months are January and February with the average temperature of −9 °C (16 °F) in the west and −12 °C (10 °F) in

3608-511: The bedrock. The carbonic acid that causes karst features is formed as rain passes through Earth's atmosphere picking up carbon dioxide (CO 2 ), which readily dissolves in the water. Once the rain reaches the ground, it may pass through soil that provides additional CO 2 produced by soil respiration . Some of the dissolved carbon dioxide reacts with the water to form a weak carbonic acid solution, which dissolves calcium carbonate . The primary reaction sequence in limestone dissolution

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3696-413: The borders there are occasional bears, lynxes and wolves. In the southern areas there are also speckled ground squirrel , dwarf hamster, great jerboa and beech marten . Some areas contain stable populations of imported animals, such as flying squirrel , American mink and Siberian roe deer . In the oblast, there are more than a dozen kinds of bat and moth. There are more than 170 species of birds in

3784-459: The common ice- erosion form with moraine ridges, and to the south are only erosional landforms. The western and northern parts of the oblast contain the Moscow Uplands. Their average height peaks at about 300 meters (980 ft) near Dmitrov and the upper point of 310 meters (1,020 ft) lies near the village of Shapkino in Mozhaysky District . The northern part of the Moscow Uplands

3872-450: The complexity of karst aquifers, and need to be supplemented with dye traces , measurement of spring discharges, and analysis of water chemistry. U.S. Geological Survey dye tracing has determined that conventional groundwater models that assume a uniform distribution of porosity are not applicable for karst aquifers. Linear alignment of surface features such as straight stream segments and sinkholes develop along fracture traces . Locating

3960-469: The depth of 300–500 meters (980–1,640 ft). Deeper, at 1–1.5 kilometers (0.62–0.93 mi) there is a large sea of salt extending beyond Moscow Oblast. Waters with the salt concentration up to 300 g/L are used in the local food industry and spas. The climate of Moscow Oblast is humid continental , with clearly expressed seasonality – short but warm summers and long, cold winters; the continentality increases from northwest to southeast. The period of

4048-865: The east. With the arrival of arctic air, the temperature drops to below −20 °C (−4 °F) that may last up to twenty days during the winter, with the temperatures reaching −45 °C (−49 °F). The minimum temperature of −54 °C (−65 °F) was observed in Naro-Fominsk . Thaws often occur in December and February due to the Atlantic, and rarely the Mediterranean cyclones . The thaws usually last several days, and their total number from November to March can reach fifty. Snow starts accumulating in November, though sometimes in late October or early December, and disappears in mid-April (sometimes in late March). The snow depth

4136-449: The eastern part of Moscow Oblast is taken by the vast Meshchera Lowlands with much wetland in their eastern part. Their highest hill peaks at 214 meters (702 ft) but the average heights are 120–150 meters (390–490 ft). Most lakes of the lowlands, such as Lakes Chyornoye and Svyatoye, are of glacial origin. Here lies the lowest natural elevation of the region, the water level of Oka River at 97 meters (318 ft). Moscow Oblast

4224-557: The fissures. The enlarged fissures allow a larger quantity of water to enter which leads to a progressive enlargement of openings. Abundant small openings store a large quantity of water. The larger openings form a conduit system that drains the aquifer to springs. Characterization of karst aquifers requires field exploration to locate sinkholes, swallets , sinking streams , and springs in addition to studying geologic maps . Conventional hydrogeologic methods such as aquifer tests and potentiometric mapping are insufficient to characterize

4312-566: The flood falls on April–May. The water level is low in summer and increases only with heavy rain. The rivers freeze over from late November until mid-April. The only navigable rivers are the Volga , the Oka , and the Moskva River . Most rivers belong to the basin of the Volga , which itself only crosses a small part in the north of Moscow Oblast, near the border with Tver Oblast . The second largest river of

4400-466: The global demand for drinkable water. Farming in karst areas must take into account the lack of surface water. The soils may be fertile enough, and rainfall may be adequate, but rainwater quickly moves through the crevices into the ground, sometimes leaving the surface soil parched between rains. The karst topography also poses peculiar difficulties for human inhabitants. Sinkholes can develop gradually as surface openings enlarge, but progressive erosion

4488-429: The grain production has fallen by more than 3 times; potatoes by 2.5 times; vegetables, livestock and poultry by 30%; milk by 2 times and eggs by 4 times. Moscow Oblast has a dense transport network, including roads, railways and waterways along the largest rivers, lakes and reservoirs. Land routes are radially diverging from Moscow and crossed by one railway and two highway rings. Neither railways nor roads, built for

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4576-456: The karst groundwater flow rates from 0.5 to 7 miles per day (0.8 to 11.3 km/d). The rapid groundwater flow rates make karst aquifers much more sensitive to groundwater contamination than porous aquifers. Groundwater in karst areas is also just as easily polluted as surface streams, because Karst formations are cavernous and highly permeable, resulting in reduced opportunity for contaminant filtration. Well water may also be unsafe as

4664-525: The karst regions of the Balkans, Cvijić's 1893 publication Das Karstphänomen describes landforms such as karren, dolines and poljes . In a 1918 publication, Cvijić proposed a cyclical model for karst landscape development. Karst hydrology emerged as a discipline in the late 1950s and the early 1960s in France. Previously, the activities of cave explorers, called speleologists , had been dismissed as more of

4752-466: The largest gas producing regions of the country. Moscow and Moscow Oblast have several international passenger airports , namely Sheremetyevo (with two terminals), Vnukovo , Domodedovo and Ostafyevo . There is also Bykovo Airport, which is used for freight. The largest military airport is Chkalovsky (near Shchyolkovo ) which also processes some civilian passenger and cargo flights. Major highways of Moscow Oblast are as follows: Moscow Oblast

4840-408: The largest greenhouse complex in Europe. Also grown are flowers and mushrooms . Livestock farming predominates over the crop, and is primarily aimed at the production of milk and meat. In addition to cattle, commonly bred are pigs and chickens. The economic crisis of the 1990s in Russia had severely affected the agriculture of Moscow Oblast. In particular, in the 2000s, as compared with 1970–80s,

4928-552: The last-named locality having been declared a site of special scientific interest in respect of it. Kegelkarst is a type of tropical karst terrain with numerous cone-like hills, formed by cockpits, mogotes , and poljes and without strong fluvial erosion processes. This terrain is found in Cuba, Jamaica, Indonesia, Malaysia, the Philippines, Puerto Rico, southern China, Myanmar, Thailand, Laos and Vietnam. Salt karst (or 'halite karst')

5016-667: The link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Greshnevo&oldid=1012833421 " Category : Set index articles on populated places in Russia Hidden categories: Articles with short description Short description is different from Wikidata All set index articles Monitored short pages Moscow Oblast Located in European Russia between latitudes 54° and 57° N and longitudes 35° and 41° E , Moscow Oblast borders Tver Oblast in

5104-412: The local South Slavic languages , all variations of the word are derived from a Romanized Illyrian base (yielding Latin : carsus , Dalmatian : carsus ), later metathesized from the reconstructed form * korsъ into forms such as Slovene : kras and Serbo-Croatian : krš , kras , first attested in the 18th century, and the adjective form kraški in the 16th century. As

5192-639: The main tree species of spruce , pine , birch , and aspen often mixed with bushes of hazel . To the south lies the subzone of broad-leaved forests of oak , lime , maple and elm . Moscow-Oka Upland is the transition zone which is dominated by spruce, for example, in the upper reaches of the Lopasnya River . Valleys of the Oka are covered in pine forests of the steppe type and the far south regions (Serebryano-Prudsky and partially Serpukhovsky Districts) are cultivated steppes with occasional lime and oak groves. The intensive cutting of Moscow region forests in

5280-399: The major industries being metallurgy , oil refining , and mechanical engineering , along with the food, energy, and chemical industries. The oblast is mostly flat, with some hills with a height of about 160 meters (520 ft) in the western and extensive lowlands in the eastern part. From the southwest to northeast, the oblast is crossed by the border of the Moscow glacier to the north of

5368-637: The most dramatic of these formations can be seen in Thailand 's Phangnga Bay and at Halong Bay in Vietnam . Calcium carbonate dissolved into water may precipitate out where the water discharges some of its dissolved carbon dioxide. Rivers which emerge from springs may produce tufa terraces, consisting of layers of calcite deposited over extended periods of time. In caves, a variety of features collectively called speleothems are formed by deposition of calcium carbonate and other dissolved minerals. Interstratal karst

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5456-402: The most part many years ago, can cope with the steadily mounting traffic flows. About half of the roads are overloaded and three quarters do not meet modern requirements. Insufficient width of the roads and frequent repairs cause traffic jams. Moscow Oblast has the highest density of railways in Russia. Eleven major radial lines originate in Moscow and run through the Oblast; the total length of

5544-521: The most significant military operations of World War II —the Battle of Moscow —was fought in the Moscow Oblast. Germany reached Solnechnogorsky, Klinsky, Istrinsky, Lobninsky, Khimkinsky, Naro-Fominsky, Volokolamsky, Kolomensky, Kashirsky, Serybryano-Prudsky Districts and others. According to the Constitution of Russia , adopted in December 1993, Moscow Oblast is one of the 83 federal subjects of Russia . In terms of industrial production, Moscow Oblast

5632-477: The north area. The glaciers left behind a moraine loam with pebbles and boulders of various rocks, such as granite , gneiss , quartzite , dolomite , limestone and sandstone . Its thickness varies between a few meters at watersheds and 100 m at moraine ridges. Moscow Oblast is rich in minerals. Sands from the sediments of different periods (mainly Quaternary and Cretaceous) are of high quality and are widely used in construction. Quartz sand (milled quartz )

5720-643: The north of the oblast. The sea was wider in Jurassic than in Cretaceous period. Typical Jurassic deposits, in the form of black clay, are found within and around the city of Moscow and in the valley of the Moscow River . Carboniferous deposits in Moscow Oblast are represented by dolomite , limestone , and marl . Coal deposits rich in organic remains occur in the south, especially in Serpukhovsky District, and in

5808-414: The northwest, Yaroslavl Oblast in the north, Vladimir Oblast in the northeast and east, Ryazan Oblast in the southeast, Tula Oblast in the south, Kaluga Oblast in the southwest, and Smolensk Oblast in the west. The oblast mostly surrounds the federal city of Moscow, which is not part of the oblast, but rather a separate federal subject in its own right. The oblast is highly industrialized , with

5896-429: The oblast, almost all are shallow (5–10 m) and many are of glacial origin. The largest are Lake Dubovoye  [ ru ] (11.8 square kilometers (4.6 sq mi)) and Svyatoye (11.6 square kilometers (4.5 sq mi)) whereas the deepest (32 meters (105 ft)) is Lake Glubokoye in Ruzsky District . There are also many marshes, especially within the Meshchersk and Verkhnevolzhsk lowlands. The oblast

5984-429: The oblast; fusible clay is excavated in Sergiyev Posad . The Yeldiginskoye field near the village of Sofrino has reserves estimated at 30 million cubic meters; its annual production reaches 600,000 cubic meters (21,000,000 cu ft). Refractory white clay occurs in the eastern region, in the Carboniferous and Jurassic sediments, and is extracted from the 14th century near Gzhel . The largest (Kudinovskoye) deposit

6072-654: The period. Sedimentation resumed and further limestone strata were deposited on an irregular karst surface, the cycle recurring several times in connection with fluctuating sea levels over prolonged periods. Pseudokarsts are similar in form or appearance to karst features but are created by different mechanisms. Examples include lava caves and granite tors —for example, Labertouche Cave in Victoria, Australia —and paleocollapse features. Mud Caves are an example of pseudokarst. Karst formations have unique hydrology, resulting in many unusual features. A karst fenster (karst window) occurs when an underground stream emerges onto

6160-660: The plant for manufacturing household appliances (TV sets, washing machines, refrigerators, etc.) by the South Korean company LG built near the village of Dorokhovo. In 1999, Moscow Oblast consumed 15.4 billion m of natural gas, 3.32 million tonnes of oil, 2.13 million tonnes of coal and 8.5 billion kWh of electricity. Electricity for the Oblast is provided by the Kashirskaya thermal power plant (TPP, 1910 MW), Dzerzhynskaya TPP No 22 (1300 MW), Thermal Power Plant 27 (1100 MW), Shatura Power Station (1100 MW), Zagorskaya hydroelectric power plant (1200 MW), Elektrogorsk TPP (623 MW) and several smaller plants. Major new energy project in

6248-419: The quarries of Podolsky , Voskresensky , and Kolomensky Districts . The latter district also provides marble-like limestone. Other industrial minerals of Moscow Oblast are dolomite, limestone tuff , and marl ; mostly in the southern and eastern parts. Dolomite is used in the cement industry. Its mining is concentrated mainly near Shchyolkovo , the reserves exceed 20 million tonnes and the annual production

6336-481: The railways reaches 2,700 km. Almost all railroads are electrified. The largest rail hubs are Orekhovo-Zuyevo and Bekasovo . Regular navigation is carried on the rivers Volga, Oka and Moscow, as well as on the Moscow Canal . Major river ports are in Serpukhov and Kolomna. Also well-developed is pipeline transport. There are two major oil lines, two natural gas rings and numerous radial lines connecting Moscow with

6424-856: The region is the Oka. The northern part of Moscow Oblast includes such Volga tributaries as the Shosha , the Lama , the Dubna , the Sestra , and the Yakhroma. On the south flow the tributaries of the Oka, including the Nara , the Protva , and the Lopasnya Rivers . The Moskva River, which almost entirely flows within the oblast, also belongs to the Oka basin. The eastern and northeastern regions, including much of Meschersk Depression, are irrigated by

6512-432: The region is the construction of Zagorsk hydroelectric plant with the capacity of 840 MW. The deficit of energy is provided by powerlines connecting the region with Saint Petersburg, Volga Hydroelectric Station and other energy suppliers. Agriculture has a relatively minor role in the economy of the Oblast. Only 25% of land is cultivated and another 15% are used for other activities such as livestock farming. Agriculture

6600-418: The right conditions. Subterranean drainage may limit surface water, with few to no rivers or lakes. In regions where the dissolved bedrock is covered (perhaps by debris) or confined by one or more superimposed non-soluble rock strata, distinctive karst features may occur only at subsurface levels and can be totally missing above ground. The study of paleokarst (buried karst in the stratigraphic column )

6688-757: The river flows into a cave in a formation known as the Madison Limestone and then rises again 800 m ( 1 ⁄ 2  mi) down the canyon in a placid pool. A turlough is a unique type of seasonal lake found in Irish karst areas which are formed through the annual welling-up of water from the underground water system. Main Article Aquifer#Karst Karst aquifers typically develop in limestone . Surface water containing natural carbonic acid moves down into small fissures in limestone. This carbonic acid gradually dissolves limestone thereby enlarging

6776-625: The surface between layers of rock, cascades some distance, and then disappears back down, often into a sinkhole. Rivers in karst areas may disappear underground a number of times and spring up again in different places, even under a different name, like Ljubljanica , the "river of seven names". Another example of this is the Popo Agie River in Fremont County, Wyoming , where, at a site named "The Sinks" in Sinks Canyon State Park ,

6864-415: The surface, complex underground drainage systems (such as karst aquifers ) and extensive caves and cavern systems may form. Erosion along limestone shores, notably in the tropics , produces karst topography that includes a sharp makatea surface above the normal reach of the sea, and undercuts that are mostly the result of biological activity or bioerosion at or a little above mean sea level . Some of

6952-1002: The system ( pyrite or hydrogen sulfide ) to form sulfuric acid (H 2 SO 4 ). Sulfuric acid then reacts with calcium carbonate, causing increased erosion within the limestone formation. This chain of reactions is: This reaction chain forms gypsum . The karstification of a landscape may result in a variety of large- or small-scale features both on the surface and beneath. On exposed surfaces, small features may include solution flutes (or rillenkarren), runnels , limestone pavement (clints and grikes), kamenitzas collectively called karren or lapiez. Medium-sized surface features may include sinkholes or cenotes (closed basins), vertical shafts, foibe (inverted funnel shaped sinkholes), disappearing streams, and reappearing springs . Large-scale features may include limestone pavements , poljes , and karst valleys. Mature karst landscapes, where more bedrock has been removed than remains, may result in karst towers , or haystack/eggbox landscapes. Beneath

7040-519: The tributaries of the Klyazma River , which itself is a main tributary of the Oka. The Moscow Canal crosses the northern part of Moscow Oblast through the Ikshinskyoe, Klyazminskoye, Pyalovskoye, and Pestovskoye Reservoirs. In the basin of the Moskva River, there are also Ozerninskoye, Mozhayskoye, Istrinskoye, and Ruza Reservoirs, providing Moscow with drinking water. There are about 350 lakes in

7128-561: The very south area of the oblast, and the largest (4,200 meters (13,800 ft)) is to the east of Sergiyev Posad , in the northeast region. Tertiary deposits are almost absent within the oblast. Significantly more abundant are deposits of the Carboniferous and Jurassic periods. In the Cretaceous period, a sea was covering Moscow Oblast, as evidenced by phosphate deposits and a variety of sands. Cretaceous sediments are most common in

7216-461: The water may have run unimpeded from a sinkhole in a cattle pasture, bypassing the normal filtering that occurs in a porous aquifer . Sinkholes have often been used as farmstead or community trash dumps . Overloaded or malfunctioning septic tanks in karst landscapes may dump raw sewage directly into underground channels. Geologists are concerned with these negative effects of human activity on karst hydrology which, as of 2007 , supplied about 25% of

7304-507: The western Highland Rim in the eastern United States is at the second-highest risk of karst sinkholes. In Canada, Wood Buffalo National Park , Northwest Territories contains areas of karst sinkholes. Mexico hosts important karst regions in the Yucatán Peninsula and Chiapas . The West of Ireland is home to The Burren , a karst limestone area. The South China Karst in the provinces of Guizhou , Guangxi , and Yunnan provinces

7392-468: The western regions. Devonian deposits were also found within the region. Quaternary deposits are widely distributed in Moscow Oblast; their thickness decreases from the northwest to southeast. It is believed that there were four glaciations in the area. The first occurred in the Lower Pleistocene and spread to the east–west part of the Oka River valley, it left almost no trace in the region. In

7480-405: The zone of forests and steppes with forests covering over 40% of the region. Coniferous (mainly fir) trees dominate the northern (Verkhnevolzhsk lowlands) and western parts (Mozhaysky, Lotoshinsky, and Shakhovsky Districts). Forests of Meshchora consist primarily of pine; in waterlogged lowlands, there are individual alder forests. Central and eastern regions have coniferous-deciduous forests with

7568-612: Was awarded three Orders of Lenin , on 3 January 1934, 17 December 1956 and 5 December 1966. The highest executive organ is the Government of Moscow Oblast. Eighteen ministries act as the executive bodies of state authority. The powers, tasks, functions and competence of the Government are defined by the Charter of the Moscow Region. The Governor of the Moscow Oblast will be elected with the term of 5 years. The Regional Duma of Moscow Oblast

7656-500: Was constructed in the Moscow Oblast in 1851, connecting Moscow and Saint Petersburg , and in 1862 the line to Nizhny Novgorod was opened. In the Russian SFSR , Central Industrial Oblast was established on January 14, 1929. It included the abolished Moscow , Ryazan , Tver , Tula , Vladimir , and Kaluga Governorates . The oblast was divided into ten okrugs and had the administrative center in Moscow. On June 3, 1929,

7744-513: Was formed on 12 December 1993. It consists of 50 deputies also serving a 5-year term. Sergey Shoygu was elected as Governor of Moscow Oblast in April 2012 by the Moscow Oblast Duma. Shoygu left office after only six months with his appointment when he was appointed as Minister of Defence by Vladimir Putin. Andrei Vorobyov was appointed as acting governor and won a full term to the office in

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