mountain
A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited Summit (topography), summit area, and ...
, similar to a
guyot
In marine geology, a guyot (pronounced ), also known as a tablemount, is an isolated underwater volcanic mountain ( seamount) with a flat top more than below the surface of the sea. The diameters of these flat summits can exceed .Augusta near the south-western tip of
Western Australia
Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...
. It lies a similar distance west of
Windy Harbour
Windy Harbour is a holiday settlement surrounded by D’Entrecasteaux National Park. It is located 27 km south of Northcliffe, on the south coast of Western Australia east of Augusta and west of Nornalup. It lies just east of Point D'E ...
It lies at a depth of , rising from the sea floor and is wide.
Mount Gabi was discovered by Cameron Buchanan, a multibeam sonar specialist from Geoscience Australia, the Australian national agency for geoscience research, via swath mapper during investigations of continental shelf processes between the
Great Australian Bight
The Great Australian Bight is a large oceanic bight, or open bay, off the central and western portions of the southern coastline of mainland Australia.
Extent
Two definitions of the extent are in use – one used by the International Hydrog ...
and
Cape Leeuwin
Cape Leeuwin is the most south-westerly (but not most southerly) mainland point of the Australian continent, in the state of Western Australia.
Description
A few small islands and rocks, the St Alouarn Islands, extend further in Flinders Ba ...