Mount Mekunnai

Mount Mekunnai
目国内岳
Elevation	1,220 m (4,003 ft)
Prominence	673 m (2,208 ft)
Parent peak	Niseko Annupuri
Listing	List of mountains and hills of Japan by height
Location
Location	Hokkaidō, Japan
Range	Mount Raiden Volcanic Group
Coordinates	42°54′13″N 140°28′10″E / 42.90361°N 140.46944°E / 42.90361; 140.46944Coordinates: 42°54′13″N 140°28′10″E / 42.90361°N 140.46944°E / 42.90361; 140.46944
Topo map	Geographical Survey Institute 25000:1 チセヌプリ 50000:1 岩内
Geology
Type	pyroclastic cone
Age of rock	Quaternary
Volcanic arc/belt	Northeastern Japan Arc

Mount Mekunnai (目国内岳, Mekunnai-dake^?) is an andesitic volcano^[1] in the Mount Raiden Volcanic Group on the border between Iwanai and Rankoshi , Hokkaidō, Japan. Mount Mekunnai is a pyroclastic cone.^[2] The mountain consists of primarily non-alkali, mafic, volcanic rock. The rock is younger than that of neighboring Mount Raiden, being categorized at 700,000 to 13,000 years old. The rock is older than that of the Niseko Volcanic Group.^[3]

References

1. ^ "RAIDEN-YAMA". Quaternary Volcanoes of Japan. Geological Survey of Japan, AIST. 2006. http://riodb02.ibase.aist.go.jp/strata/VOL_JP/EN/vol/191.htm. Retrieved 2008-10-01. 
2. ^ "Niseko". Global Volcanism Program. Smithsonian National Museum of Natural History. http://www.volcano.si.edu/world/volcano.cfm?vnum=0805-031. Retrieved 2008-10-01. 
3. ^ "Hokkaido". Seamless Digital Geological Map of Japan. Geological Survey of Japan, AIST. 2007. http://riodb02.ibase.aist.go.jp/db084/kihon/hokkaido_e.xml. Retrieved 2010-10-12. 

• Geographical Survey Institute