Mount Bombalai (Malay: Gunung Bombalai) is a volcanic cone mountain in the Tawau Division of Sabah, Malaysia.[1] It reaches a height of approximately 531 metres (1,742 ft).[2]
Mount Bombalai | |
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Highest point | |
Elevation | 531 m (1,742 ft) |
Coordinates | 4°23′41″N 117°52′35″E |
Geography | |
Location | Tawau Division, Sabah, Malaysia |
Geology | |
Last eruption | Holocene |
The mountain is part of the Tawau volcanic field which contributed to the prominent topographic features of the Semporna Peninsula in northeastern Borneo and the western side of a valley in its middle section.[3][4][5] The low volcanic cone is 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 are considered younger than a lava flow radiocarbon dated at about 27,000 years before present, and the extrusion of basaltic lavas possibly continued into the Holocene epoch.[6] Presence of geothermal activity has been reported in the surrounding mountains.[7][8]
In Sabah, Tawau's Bombalai volcano is currently a dormant volcano and, since it estimated to have erupted thousands of years ago, it can be regarded as an ancient crater. Bombalai cinder cone is only a half-an-hour jungle walk from the entrance of Tawau Hills National Park.
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