Island Archway | |
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Coordinates: 38°38′53.7″S143°4′4.7″E / 38.648250°S 143.067972°E | |
Location | Victoria, Australia |
The Island Archway was a 25 meter high, naturally formed rock arch that lay off Loch Ard Gorge, a bay on the south coast of Victoria, Australia. The gate collapsed on 10 June 2009. The arch of rock exposed in the water has been frequently photographed by the numerous international and domestic tourists vacationing in the Great Ocean Road area. The national and international press reported extensively on this geological event. [1]
After the collapse, only two limestone rock pillars remained of the Felsentor. The rock cliff consists of a relatively weakly compacted limestone, which lost its rock volume due to erosion by wind and weather and thus became unstable.
The Island Archway was part of a series of free-standing limestone formations on the Great Ocean Road that includes the Twelve Apostles. As early as January 1990, another rock arch on this coast, the inner arch of the London Bridge, had collapsed. The stability of these cliffs is short-lived in geological terms.
Initially it was believed that the Island Archway would keep its name. [2] The two piers are now officially named after the two castaways Tom and Eva, the only survivors of the Loch Ard shipwreck off Mutton Island, just off the Island Archway. [3]
Since 2011, eight major tourism infrastructure projects have been planned along the coast of the Great Ocean Road, including an information center at Loch Ard Gorge about local conditions. [4]
The Great Ocean Road is an Australian National Heritage-listed 240-kilometre (150 mi) stretch of road along the south-eastern coast of Australia, between the Victorian towns of Torquay and Allansford. Built by returned soldiers between 1919 and 1932, and dedicated to soldiers killed during World War I, the road is the world's largest war memorial. Winding through varying terrain along the coast, and providing access to several prominent landmarks, including the Twelve Apostles limestone stack formations, the road is an important tourist attraction.
A natural arch, natural bridge, or rock arch is a natural landform where an arch has formed with an opening underneath. Natural arches commonly form where inland cliffs, coastal cliffs, fins or stacks are subject to erosion from the sea, rivers or weathering.
The Port Campbell National Park is a national park in the south-western district of Victoria, Australia. The 1,750-hectare (4,300-acre) national park is situated approximately 190 kilometres (120 mi) south-west of Melbourne and approximately 10 kilometres (6.2 mi) east of Warrnambool. The park is located adjacent to the Great Otway National Park and the Bay of Islands Coastal Park.
London Bridge is an offshore natural arch in the Port Campbell National Park, Australia. The arch is a significant tourist attraction along the Great Ocean Road near Port Campbell in Victoria. The stack was formed by a gradual process of erosion, and until 1990 formed a complete double-span natural bridge.
The Twelve Apostles are a collection of limestone stacks off the shore of Port Campbell National Park, by the Great Ocean Road in Victoria, Australia. The Twelve Apostles are located on the traditional lands of the Eastern Maar peoples.
Cheddar Gorge is a limestone gorge in the Mendip Hills, near the village of Cheddar, Somerset, England. The gorge is the site of the Cheddar show caves, where Britain's oldest complete human skeleton, Cheddar Man, estimated to be 9,000 years old, was found in 1903. Older remains from the Upper Late Palaeolithic era have been found. The caves, produced by the activity of an underground river, contain stalactites and stalagmites. The gorge is part of a Site of Special Scientific Interest called Cheddar Complex.
In geography and geology, a cliff or rock face is an area of rock which has a general angle defined by the vertical, or nearly vertical. Cliffs are formed by the processes of weathering and erosion, with the effect of gravity. Cliffs are common on coasts, in mountainous areas, escarpments and along rivers. Cliffs are usually composed of rock that is resistant to weathering and erosion. The sedimentary rocks that are most likely to form cliffs include sandstone, limestone, chalk, and dolomite. Igneous rocks such as granite and basalt also often form cliffs.
A stack or sea stack is a geological landform consisting of a steep and often vertical column or columns of rock in the sea near a coast, formed by wave erosion. Stacks are formed over time by wind and water, processes of coastal geomorphology. They are formed when part of a headland is eroded by hydraulic action, which is the force of the sea or water crashing against the rock. The force of the water weakens cracks in the headland, causing them to later collapse, forming free-standing stacks and even a small island. Without the constant presence of water, stacks also form when a natural arch collapses under gravity, due to sub-aerial processes like wind erosion. Erosion causes the arch to collapse, leaving the pillar of hard rock standing away from the coast—the stack. Eventually, erosion will cause the stack to collapse, leaving a stump. Stacks can provide important nesting locations for seabirds, and many are popular for rock climbing.
Durdle Door is a natural limestone arch on the Jurassic Coast near Lulworth in Dorset, England. It is privately owned by the Weld family, who own the Lulworth Estate, but it is also open to the public.
The Cliffs of Moher are sea cliffs located at the southwestern edge of the Burren region in County Clare, Ireland. They run for about 14 kilometres. At their southern end, they rise 120 metres (390 ft) above the Atlantic Ocean at Hag's Head, and, 8 kilometres to the north, they reach their maximum height of 214 metres (702 ft) just north of O'Brien's Tower, a round stone tower near the midpoint of the cliffs, built in 1835 by Sir Cornelius O'Brien, then continue at lower heights. The closest settlements are the villages of Liscannor 6 km to the south, and Doolin 7 km to the north.
Pembrokeshire Coast National Park is a national park along the Pembrokeshire coast in west Wales.
Percé Rock is a huge sheer rock formation in the Gulf of Saint Lawrence on the tip of the Gaspé Peninsula in Québec, Canada, off Percé Bay. Percé Rock appears from a distance like a ship under sail. It is one of the world's largest natural arches located in water and is considered a geologically and historically rich natural icon of Quebec. It is a major attraction in the Gaspésie region.
The Gibson Steps are an area of cliffs on the south coast of Australia, located at 38°40′06″S143°06′43″E. The cliffs are the first sightseeing stopoff in Port Campbell National Park for travellers heading West along the Great Ocean Road, located about 2 minutes drive from The Twelve Apostles. The name Gibson Steps refers to the staircase leading down to the stretch of beach shown to the right.
The Loch Ard Gorge is part of Port Campbell National Park, Victoria, Australia, about three minutes' drive west of The Twelve Apostles.
Loch Ard was an iron-hulled clipper ship that was built in Scotland in 1873 and wrecked on the Shipwreck Coast of Victoria, Australia in 1878.
The A2 is a major road in Northern Ireland, a considerable length of which is often referred to the Antrim Coast Road because much of it follows the scenic coastline of County Antrim; other parts of the road follow the coasts in Counties Down and Londonderry.
Carboniferous Limestone is a collective term for the succession of limestones occurring widely throughout Great Britain and Ireland that were deposited during the Dinantian Epoch of the Carboniferous Period. These rocks formed between 363 and 325 million years ago. Within England and Wales, the entire limestone succession, which includes subordinate mudstones and some thin sandstones, is known as the Carboniferous Limestone Supergroup.
The Great Ocean Walk is a walking trail on Victoria's southwest coast in Australia, traversing several areas of historical and cultural significance. The track makes extensive usage of eco-friendly facilities; with Parks Victoria and tour guide operators attempting to raise environmental awareness. The trail meanders along high cliff tops and sandy beaches.
The Azure Window, also known as the Dwejra Window, was a 28-metre-tall (92 ft) natural arch on the island of Gozo, located just off the shores of Malta. The limestone feature, which was in Dwejra Bay close to the Inland Sea and Fungus Rock, was one of the island's major tourist attractions until it collapsed in stormy weather on 8 March 2017. The arch, together with other natural features in the area, has appeared in a number of international films and media productions.
A cliffed coast, also called an abrasion coast, is a form of coast where the action of marine waves has formed steep cliffs that may or may not be precipitous. It contrasts with a flat or alluvial coast.