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In the satellite image, the deep reds of the
Candeleros Formation, a sequence of sandstones formed roughly 90 to 100 million years ago in a braided river system, dominate the landscape. These rocks are flanked in some areas, especially near the river, by a green-yellow sequence of rocks that are part
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The average flow of the river is of 308 cubic metres per second (10,900 cu ft/s) (measured at Paso de Indios), and its drainage basin covers about 50,774 square kilometres (19,604 sq mi). At its mouth at
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have uncovered numerous fossils in the
Candeleros rocks, including ancient species of fish, frogs, snakes, turtles, small mammals, and several types of dinosaurs. The best known dinosaur found here is
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while advancing diagonally in southeast direction. Among these streams, some of them from draining of small lakes, are the Trocomán, Reñi Leuvü, Agrio and
Nahueve. Further down, its main
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and oil in the deeper Vaca Muerta formation has made the Neuquén Basin one of the few regions outside of the United States where companies are pursuing horizontal drilling and
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enthusiasts, as well as the two artificial lakes named Los
Barreales and Mari Menuco, located by the river near the border with Río Negro Province. The main catch are
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The river begins in the northwest of the province at an elevation of 2,300 metres (7,500 ft), to be fed by a number of streams through valleys of the lower
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are the rivers
Varvarco, and Agrio, who provides almost a third of the Neuquén flow. Along its way the river receives some sediments from volcanoes
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After meeting the Agrio, the Neuquén river has no natural lakes that could regulate its flow, which results in sharp raises of level during
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Neuquén River and geologic basin, showing the deep reds of the
Candeleros Formation sandstones. NASA satellite image, 2018
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Although not as famous as other fishing rivers in
Patagonia, the river is also visited by
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has been built to compensate for abrupt changes in the flow, as well as the
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that might sometimes affect the clarity of the otherwise clean waters.
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of the younger
Hunical Formation, formed during drier times.
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Map of the Río Negro drainage basin, including the Neuquén
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and rainy periods. A derivative channel towards the
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289:The recent discovery of a large deposit of
80:Learn how and when to remove this message
330:— "Cartografía Hídrica de Neuquén" - pdf
317:The Geologic Wonder of the Neuquén Basin
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43:This article includes a list of general
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342:— Hydrological basins of Argentina.
328:Subsecretaría de Recursos Hídricos
49:it lacks sufficient corresponding
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319:, by NASA Earth Observatory, 2018
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301:References and external links
361:Rivers of Río Negro Province
266:Geology of the Neuquén Basin
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356:Rivers of Neuquén Province
280:Giganotosaurus carolinii
229:, the Neuquén meets the
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188:Cerros Colorados Complex
340:Ministry of Environment
64:more precise citations.
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336:— "Región patagónica"
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295:hydraulic fracturing
104:Neuquen river canyon
366:Rivers of Argentina
217:38.9927°S 68.0017°W
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222:-38.9927; -68.0017
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284:Tyrannosaurus rex
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122:Río Neuquén
62:introducing
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350:Categories
208:68°00′06″W
205:38°59′34″S
120:(Spanish:
45:references
291:shale gas
239:Río Negro
147:and gas.
145:tight oil
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134:Argentine
259:pejerrey
250:spinning
151:Overview
126:province
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176:thawing
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