Mount Bombalai: Difference between revisions
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Revision as of 09:44, 17 October 2010
| Bombalai | |
|---|---|
 | |
| Highest point | |
| Elevation | 531 m (1,742 ft) |
| Coordinates | 4°24′N 117°53′E / 4.40°N 117.88°E |
| Geography | |
| Location | Sabah, Borneo |
| Geology | |
| Mountain type | Pyroclastic cone |
| Last eruption | Holocene (?) |
Mount Bombalai is part of a volcanic field on the peninsula of Semporna in northeastern Borneo. The volcano lies in the Malaysian state of Sabah, across Cowie Harbour from the Indonesian province of 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.