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Natural Arch
A natural arch, natural bridge, or (less commonly) 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 ( subaerial processes). Most natural arches are formed from narrow fins and sea stacks composed of sandstone or limestone with steep, often vertical, cliff faces. The formations become narrower due to erosion over geologic time scales. The softer rock stratum erodes away creating rock shelters, or alcoves, on opposite sides of the formation beneath the relatively harder stratum, or caprock, above it. The alcoves erode further into the formation eventually meeting underneath the harder caprock layer, thus creating an arch. The erosional processes exploit weaknesses in the softer rock layers making cracks larger and removing material more quickly than the caprock; however, the caprock itself continues to er ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Delicate Arch LaSalle
Delicate may refer to: Music * ''Delicate'' (album), by Martha & The Muffins (2010) * "Delicate" (Taylor Swift song), song by Taylor Swift from ''Reputation'' (2017) * "Delicate" (Terence Trent D'Arby song), by Terence Trent D'Arby featuring Des'ree from ''Symphony or Damn'' (1993) * "Delicate", song by D. Rice from '' O'' (2002) * "Delicate", song by Operator from ''Soulcrusher'' (2007) Other uses * Delicates, garments that include delicate fabrics * Delicacies * '' Mythimna vitellina'' (the delicate), a moth of the family Noctuidae {{Disambiguation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Malta Gozo, Azure Window (10264176345)
Malta ( , , ), officially the Republic of Malta ( mt, Repubblika ta' Malta ), is an island country in the Mediterranean Sea. It consists of an archipelago, between Italy and Libya, and is often considered a part of Southern Europe. It lies south of Sicily (Italy), east of Tunisia, and north of Libya. The official languages are Maltese and English, and 66% of the current Maltese population is at least conversational in the Italian language. Malta has been inhabited since approximately 5900 BC. Its location in the centre of the Mediterranean has historically given it great strategic importance as a naval base, with a succession of powers having contested and ruled the islands, including the Phoenicians and Carthaginians, Romans, Greeks, Arabs, Normans, Aragonese, Knights of St. John, French, and British, amongst others. With a population of about 516,000 over an area of , Malta is the world's tenth-smallest country in area and fourth most densely populated sovereign co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dorset
Dorset ( ; archaically: Dorsetshire , ) is a county in South West England on the English Channel coast. The ceremonial county comprises the unitary authority areas of Bournemouth, Christchurch and Poole and Dorset (unitary authority), Dorset. Covering an area of , Dorset borders Devon to the west, Somerset to the north-west, Wiltshire to the north-east, and Hampshire to the east. The county town is Dorchester, Dorset, Dorchester, in the south. After the Local Government Act 1972, reorganisation of local government in 1974, the county border was extended eastward to incorporate the Hampshire towns of Bournemouth and Christchurch. Around half of the population lives in the South East Dorset conurbation, while the rest of the county is largely rural with a low population density. The county has a long history of human settlement stretching back to the Neolithic era. The Roman conquest of Britain, Romans conquered Dorset's indigenous Durotriges, Celtic tribe, and during the Ear ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lulworth Cove
Lulworth Cove is a cove near the village of West Lulworth, on the Jurassic Coast in Dorset, southern England. The cove is one of the world's finest examples of such a landform, and is a World Heritage Site and tourist location with approximately 500,000 visitors every year, of whom about 30 per cent visit in July and August. It is close to the rock arch of Durdle Door and other Jurassic Coast sites. Geology The cove has formed as a result of bands of rock of alternating geological resistance running parallel to the coastline (a concordant coastline). On the seaward side the clays and sands have been eroded. A narrow (less than ) band of Portland limestone rocks forms the shoreline. Behind this is a narrow (less than ) band of slightly less-resistant Purbeck limestone. Behind this are of much less-resistant clays and greensands; Weald Clays, Gault and Upper Greensand. Forming the back of the cove is a band of chalk, which is considerably more resistant than the cl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stair Hole
Stair Hole is a small cove located just west of Lulworth Cove in Dorset, southern England. The folded limestone strata known as the ''Lulworth crumple'' are particularly visible at Stair Hole. There are several caves visible from the seaward side of Stair Hole; Cathedral Cavern is supported by pillars of rock rising out of the water.Hammond, R. J. W., ''Dorset Coast'', Ward Lock Ltd, 1979, p149 The rock structure was created during the Alpine orogeny and exposed by subsequent erosion. Stair Hole featured in '' Nuts in May'', a Play for Today directed by Mike Leigh, and in ''Five on a Treasure Island'', a 1957 film serial by the Children's Film Foundation and was the background for the climactic sword fight between George Baker and Peter Arne in ''The Moonraker'' (1957). Gallery File:E end of Stair Hole, Lulworth, England arp.jpg, East end of the Lulworth Crumple at Stair Hole File:West end of Stair Hole, Dorset, England arp.jpg, West end of the Lulworth Crumple at Stair Ho ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Durdle Door
Durdle Door (sometimes written Durdle Dor) is a natural limestone arch on the Jurassic Coast near Lulworth in Dorset, England.West, I.W., 2003.Durdle Door; Geology of the Dorset Coast. Southampton University, UK. Version H.07.09.03. It is privately owned by the Weld Family who own the Lulworth Estate, but it is also open to the public. Geology The form of the coastline around Durdle Door is controlled by its geology—both by the contrasting hardnesses of the rocks, and by the local patterns of faults and folds.Nowell, D. A. G. "The geology of Lulworth Cove, Dorset." Geology Today 14 (1998): 71–74. The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. The rock strata are almost vertical, and the bands of rock are quite narrow. Originally a band of resistant Portland limestone ran along the shore, the same band that appears one mile along the coast forming the narrow entrance to Lulworth Cove. Behind this is a band of weaker, easi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shale
Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of clay minerals (hydrous aluminium phyllosilicates, e.g. kaolin, Al2 Si2 O5( OH)4) and tiny fragments (silt-sized particles) of other minerals, especially quartz and calcite.Blatt, Harvey and Robert J. Tracy (1996) ''Petrology: Igneous, Sedimentary and Metamorphic'', 2nd ed., Freeman, pp. 281–292 Shale is characterized by its tendency to split into thin layers ( laminae) less than one centimeter in thickness. This property is called '' fissility''. Shale is the most common sedimentary rock. The term ''shale'' is sometimes applied more broadly, as essentially a synonym for mudrock, rather than in the more narrow sense of clay-rich fissile mudrock. Texture Shale typically exhibits varying degrees of fissility. Because of the parallel orientation of clay mineral flakes in shale, it breaks into thin layers, often splintery and usually parallel to the otherwise indistinguishable beddin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Concordant Coastline
In coastal geography, a concordant, longitudinal, or Pacific type coastline occurs where beds, or layers, of differing rock types are folded into ridges that run parallel to the coast. The outer hard rock (for example, granite) provides a protective barrier to erosion of the softer rocks (for example, clays) further inland. Sometimes the outer hard rock is punctured, allowing the sea to erode the softer rocks behind. This creates a cove, a circular area of water with a relatively narrow entrance from the sea. Lulworth Cove in Dorset is situated on a concordant coastline. The outer hard rock is Portland limestone. The sea has broken through this barrier and easily eroded the clays behind it. A chalk cliff face at the back of the cove slows further erosion. Erosion is just starting to the west, where the sea has again broken through the Portland limestone barrier at Stair Hole. The concordant coast may take one of two landform types. The Dalmatian type, named from Dalmatia on the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Andaman Islands
The Andaman Islands () are an archipelago in the northeastern Indian Ocean about southwest off the coasts of Myanmar's Ayeyarwady Region. Together with the Nicobar Islands to their south, the Andamans serve as a maritime boundary between the Bay of Bengal to the west and the Andaman Sea to the east. Most of the islands are part of the Andaman and Nicobar Islands, a Union Territory of India, while the Coco Islands and Preparis Island are part of the Yangon Region of Myanmar. The Andaman Islands are home to the Andamanese, a group of indigenous people that includes a number of tribes, including the Jarawa and Sentinelese. While some of the islands can be visited with permits, entry to others, including North Sentinel Island, is banned by law. The Sentinelese are generally hostile to visitors and have had little contact with any other people. The government protects their right to privacy. History Etymology In the 13th century, the name of Andaman appears in Late Middle ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Neill Island
Neil Island, officially known as Shaheed Dweep, is an island of the Andaman Islands, located in Ritchie's Archipelago. It belongs to the South Andaman administrative district, part of the Indian union territory of Andaman and Nicobar Islands. The island is loocated northeast from Port Blair. Etymology Neill Island was named after British Brigadier general James Neill, who had fought on the side of the British East Indian company in the Sepoy Mutiny of 1857. In December 2018, it was renamed as Shaheed Dweep as a tribute to Netaji Subhas Chandra Bose. Bose had hoisted the Indian flag at Port Blair on 30 December 1943 and proclaimed the Andaman and Nicobar Islands as territories liberated form British rule. He had subsequently named Andaman Island as Shaheed and Nicobar Island as Swaraj. History Shaheed Dweep, then Neill Island, was uninhabited until the arrival of settlers in the late 1960s. Like Swaraj Dweep, then Havelock, the vast majority of settlers at Shaheed Dweep were ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Victoria (Australia)
Victoria is a state in southeastern Australia. It is the second-smallest state with a land area of , the second most populated state (after New South Wales) with a population of over 6.5 million, and the most densely populated state in Australia (28 per km2). Victoria is bordered by New South Wales to the north and South Australia to the west, and is bounded by the Bass Strait to the south (with the exception of a small land border with Tasmania located along Boundary Islet), the Great Australian Bight portion of the Southern Ocean to the southwest, and the Tasman Sea (a marginal sea of the South Pacific Ocean) to the southeast. The state encompasses a range of climates and geographical features from its temperate coastal and central regions to the Victorian Alps in the northeast and the semi-arid north-west. The majority of the Victorian population is concentrated in the central-south area surrounding Port Phillip Bay, and in particular within the metropolit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
London Arch
London Arch (formerly 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. This stack was formed by a gradual process of erosion, and until 1990 formed a complete double-span natural bridge. The span closer to the shoreline collapsed unexpectedly on January 15th 1990, leaving two tourists (Kelli Harrison and David Darrington) stranded on the outer span before being rescued by police helicopter. No one was injured in the event. Prior to the collapse, the arch was known as London Bridge because of its similarity to its namesake. See also *The Twelve Apostles, Victoria *Loch Ard Gorge *The Gibson Steps *The Grotto *Percé Rock 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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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