|Elevation||531 m (1,742 ft) |
|Location||Sabah, Borneo, Malaysia|
|Age of rock||67 million years old|
|Mountain type||Pyroclastic cone|
|Last eruption||Holocene (11650 years from present)|
Mount Bombalai is part of a volcanic field on the Semporna peninsula in northeastern Borneo. The volcano lies in Tawau Division, Sabah, Malaysia across Cowie Harbour from the Indonesian province of North Kalimantan, and is the only volcano in the country. The low volcanic cone is located north of Sebatik Island and has a roughly 300-m-wide crater breached to the south. Two young lava flows extend almost to the coastal plain. The flows were considered younger than a lava flow radiocarbon dated at about 27,000 years before present, and the extrusion of basaltic lavas possibly continued into Holocene time. This marks the only known area of possible Holocene volcanism on Borneo.
- "Bombalai". Global Volcanism Program. Smithsonian Institution. Retrieved 9 May 2009.
- Ethan Shaw. "Mountains In Malaysia". USA Today. Archived from the original on 22 October 2017. Retrieved 22 October 2017.
- Baba Musta; Hennie Fitria W. Soehady E.; Sanudin Tahir (2008). "Geochemical characterization of volcanic soils from Tawau, Sabah" (PDF). Bulletin of the Geological Society of Malaysia. Geology Programme, School of Science and Technology, Universiti Malaysia Sabah. Archived from the original (PDF) on 22 October 2017. Retrieved 22 October 2017.
- Amy Harris. "What Are the Major Landforms in Malaysia?". USA Today. Archived from the original on 22 October 2017. Retrieved 22 October 2017.
- Joshua Eliot; Jane Bickersteth; Sebastian Ballard (1996). Indonesia, Malaysia & Singapore Handbook. Trade & Trade & Travel Publications ; New York, NY.
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