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Acknowledged as the biggest rock in the world is Mount Augustus, but it is not a Monolith, but a Monocline ie uplifted and tilted
strata. Mount Augustus is eight kilometres long and two and a half times the size of Uluru. It rises 858 metres above the surrounding
land.
Uluru is accepted as the largest Monolith in Australia and claims to be the largest monolith in the world.
It is 3.6 kilometres long, 1.9 kilometres wide 9.4 kilometres around the base and covers 3.33 square kilometres. Uluru is also
known as Ayres Rock.
Uluru is one of a trio of very different Central Australia Rocks which are all part of the same sandstone
formation. Nearby Mount Conner is a large isolated mesa rising 343 metres above the surrounding plains. Kata Tjuta consists
of ‘many heads’ rising as 36 domes. Kata Tjuta is known as The Olgas.
Which is the second largest monolith
in Australia?
South Australians on the Eyre Peninsula will insist that Mount Wudinna is the second biggest monolith. Mount
Wudinna is said to cover 112 hectares, and rises 77 metres above the surrounding land, however looking at the rock
on Google satellite view, it is nothing like this size, but more like 800 metres by 450 metres.
In New
South Wales they claim Bald Rock is the largest exposed granite rock in the Southern Hemisphere and Australia's second largest monolith.
It is 750 metres long, 500 metres wide and rises 200 metres above the surrounding land.
Claims are made that Wallabadah
Rock in New South Wales is the second largest monolith in the Southern Hemisphere. This volcanic core covers 61 hectares and
is on private property, is 300 metres high above the surrounds and is two kilometres long.
In Queensland they
claim the volcanic core Mount Coolum as the second largest monolith rising 208 metres above the surrounds and covering one hectare.
In Western Australia they say that Walga Rock near Cue is Australia’s second biggest monolith. It is an elongated 1.5 kilometres
long and five kilometres in circumference and rises 50 metres above the surrounds. There are a number of other very large granite
rocks in Western Australia.
It looks like Wallabadah Rock is in fact the second largest monolith in Australia.
Now
who comes third?
Kokerbin Rock in Western Australia lays claim to being the third largest monolith in Australia. Kokerbin Rock
covers nine hectares and rises 122 metres above the surrounds.
Referenced from multiple sources. Different
quoted heights or sizes very to a small degree.
Which are the biggest three monoliths in Australia?
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But are these monoliths?
Strictly speaking, a monolith is a single rock. Most of these contenders, including Uluru, a
connected to the base rock which has eroded to leave these inselbergs, or island rocks.