At the junction of the rear hills of Urumqi and the Mongolian Autonomous County of Hoboksar, there is a fault mountain range formed during the orogeny when tectonic plates collided and were pushed upward. Intense crustal movements caused underground oil layers to seep out along fractures, oozing to the surface and forming an exposed oil layer landscape spanning over 20 square kilometers. Of this, around 8 square kilometers are suitable for extraction and utilization. Visiting Oil Sands Mountain is like seeing a textbook on petroleum formation firsthand, giving people an intuitive understanding of how oil is generated.
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