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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.
The Global Volcanism Program is not aware of any Holocene eruptions from Khanuy Gol. If this volcano has had large eruptions (VEI >= 4) prior to 10,000 years ago, information might be found on the Khanuy Gol page in the LaMEVE (Large Magnitude Explosive Volcanic Eruptions) database, a part of the Volcano Global Risk Identification and Analysis Project (VOGRIPA).
This compilation of synonyms and subsidiary features may not be comprehensive. Features are organized into four major categories: Cones, Craters, Domes, and Thermal Features. Synonyms of features appear indented below the primary name. In some cases additional feature type, elevation, or location details are provided.
|Bulgan Volcanic Field | Chanuj Gol | Hanui (Hanuy) Gol|
|Feature Name||Feature Type||Elevation||Latitude||Longitude|
Baga Togo Uul
Ikh Togo Uul
|Urun Dush||Pyroclastic cone|
|Urun-Dush volcano (center) is one of 10 lava and cinder cones of the Khanuy Gol (Hanuy Gol) volcanic field in west-central Mongolia about 150 km WNW of the capital city of Ulaanbaatar. The volcanic field covers a broad area along the Khanuy River and in other drainages to the east. The area is also known as the Chanuj Gol or Bulgan volcanic field. The cones range from about 30 to 190 m in height and were considered to be of late-Pleistocene to Holocene age, although no precise radiometric ages are available.
Photo by Alexei Ivanov (Russian Academy of Sciences, Irkutsk).
The following references have all been used during the compilation of data for this volcano, it is not a comprehensive bibliography. Discussion of another volcano or eruption (sometimes far from the one that is the subject of the manuscript) may produce a citation that is not at all apparent from the title.
Barry T L, Saunders A D, Kempton P D, Windley B F, Pringle M S, Dorjnamjaa D, Saandar S, 2003. Petrogenesis of Cenozoic basalts from Mongolia: evidence for the role of asthenospheric versus metasomatized lithospheric mantle sources. J Petr, 44: 55-91.
Devyatkin Y V, Smelov S B, 1979. Position of basalts in the Cenozoic sedimentary sequence of Mongolia. Internatl Geol Rev, 22: 307-317.
IAVCEI, 1973-80. Post-Miocene Volcanoes of the World. IAVCEI Data Sheets, Rome: Internatl Assoc Volc Chemistry Earth's Interior..
Ivanov A V, 2003. . (pers. comm.).
Whitford-Stark J L, 1987. A survey of Cenozoic volcanism on mainland Asia. Geol Soc Amer Spec Pap, 213: 1-74.
Whitford-Stark J L, 1987. . (pers. comm.).