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Khanuy Gol
"The Khanuy Gol (also spelled Hanui or Hanuy Gol) volcanic field is also known as the Chanuj Gol or Bulgan volcanic field. It consists of a group of 10 olivine-basaltic lava and cinder cones in west-central Mongolia about 150 km WNW of the capital city of Ulaanbaatar. The volcanic field covers a 3500 sq km flat-lying plain along the Khanuy River and in drainages to the east. The cones, including the well-preserved Togo cones about 50 km east of Khanuy, north of the settlement of Bulgan, range from about 30 to 190 m in height. The Togo cones, rich in ilmenite megacrysts and altered peridotite xenoliths, include Ikh Togo Uul ("Great Togo Mountain") and Baga Togo Uul "Big Togo Mountain'). The volcanic field was considered to be of late-Pleistocene to Holocene age (IAVCEI, 1973), although no precise age dates are available."  -Smithsonian Volcano Archive
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