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. Wild and powerful waves of the Southern Ocean constantly pound the coastline which has shaped the area into what you see today. 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.
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); 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.
The stacks are susceptible to further erosion from the waves. On 3 July 2005, a 50-metre-tall stack collapsed, leaving eight crumbling pillars remaining. The rate of erosion at the base of the limestone pillars is approximately 2 cm per year. Due to wave action eroding the cliff face existing headlands are expected to become new limestone stacks in the future.
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amazing weather images – Great Ocean Road, The Twelve Apostles (Australia) #Weather #Images
Originally posted 2017-09-10 11:38:00. Republished by Blog Post Promoter