The Twelve Apostles (Victoria)

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The Twelve Apostles
The twelve apostles Victoria Australia 2010.jpg
The Twelve Apostles, Victoria, Australia
Geography
Location Near Port Campbell, Victoria
Coordinates 38°39′57″S 143°06′16″E / 38.66583°S 143.10444°E / -38.66583; 143.10444
Country

The Twelve Apostles is a collection of limestone stacks off the shore of the Port Campbell National Park, by the Great Ocean Road in Victoria, Australia. Their proximity to one another has made the site a popular tourist attraction.

Formation and history[edit]

2002 before the collapse
A trout
2012 after the collapse

The apostles were formed by erosion: the harsh and extreme weather conditions from the Southern Ocean gradually eroded the soft limestone to form caves in the cliffs, which then became arches, which in turn collapsed; leaving rock stacks up to 45 metres high.[1] The site was known as the Sow and Piglets until 1922 (Muttonbird Island, near Loch Ard Gorge, was the Sow, and the smaller rock stacks were the Piglets);[2] after which it was renamed to The Apostles for tourism purposes. The formation eventually became known as the Twelve Apostles, despite only ever having nine stacks.[3]

In 2002, the Port Campbell Professional Fishermens Association unsuccessfully attempted to block the creation of a proposed marine national park at the Twelve Apostles location,[4] but were satisfied with the later Victorian Government decision not to allow seismic exploration at the same site by Benaris Energy;[5] believing it would harm marine life.[6]

The stacks are susceptible to further erosion from the waves. On 3 July 2005, a 50 metre tall stack collapsed, leaving eight remaining.[7] (compare the two pictures from 2002 and 2012). On 25 September 2009, it was thought that another of the stacks had fallen, but this was actually one of the smaller stacks of the Three Sisters formation.[8] The rate of erosion at the base of the limestone pillars is approximately 2 cm per year.[9] Due to wave action eroding the cliff face existing headlands are expected to become new limestone stacks in the future.[10]

See also[edit]

References[edit]

  1. ^ "Twelve Apostles". Visit Victoria. Tourism Victoria. Retrieved 27 May 2010. 
  2. ^ Twelve Apostles Sign.
  3. ^ La Canna, Xavier and Murphy, Mathew (4 July 2005). "Ninth Apostle crumbles". The Age. 
  4. ^ "Port Campbell bid to block marine national park". www.abc.net.au. Australian Broadcasting Corporation. 15 April 2002. Retrieved 17 June 2010. 
  5. ^ "Fishermen welcome decision against national park seismic exploration". www.abc.net.au. Australian Broadcasting Corporation. 17 October 2003. Retrieved 17 June 2010. 
  6. ^ "Otway Basin seismic survey work set to start". www.abc.net.au. Australian Broadcasting Corporation. 21 October 2003. Retrieved 17 June 2010. 
  7. ^ "Apostles lose one of their own". CNN. 4 July 2005. 
  8. ^ Hunter, Thomas (28 September 2009). Sister, not apostle, crumbles into sea. The Age.
  9. ^ (At a destructive rate of 2-3 cm per year)
  10. ^ Porter, Geoff (2006). Little Bites of Australia. Pegasus Elliot Mackenzie Pu. p. 203.

External links[edit]

Media related to The Twelve Apostles (Victoria) at Wikimedia Commons