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East Australian Cordillera
The Great Dividing Range, also known as the East Australian Cordillera or the Eastern Highlands, is a cordillera system in eastern Australia consisting of an expansive collection of mountain ranges, plateaus and rolling hills, that runs roughly parallel to the east coast of Australia and forms the fifth-longest land-based mountain chain in the world, and the longest entirely within a single country. It is mainland Australia's most substantial topographic feature and serves as the definitive watershed for the river systems in eastern Australia, hence the name. The Great Dividing Range stretches more than from Dauan Island in the Torres Strait off the northern tip of Cape York Peninsula, running the entire length of the eastern coastline through Queensland and New South Wales, then turning west across Victoria before finally fading into the Wimmera plains as rolling hills west of the Grampians region. The width of the Range varies from about to over .Shaw, John H., ''Col ...
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New South Wales
) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_date = Colony of New South Wales , established_title2 = Establishment , established_date2 = 26 January 1788 , established_title3 = Responsible government , established_date3 = 6 June 1856 , established_title4 = Federation , established_date4 = 1 January 1901 , named_for = Wales , demonym = , capital = Sydney , largest_city = capital , coordinates = , admin_center = 128 local government areas , admin_center_type = Administration , leader_title1 = Monarch , leader_name1 = Charles III , leader_title2 = Governor , leader_name2 = Margaret Beazley , leader_title3 = Premier , leader_name3 = Dominic Perrottet (Liberal) , national_representation = Parliament of Australia , national_representation_type1 = Senat ...
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Dauan Island, Queensland
Dauan Island is an island in the Torres Strait, Queensland, Australia; it is also known as Cornwallis Island. Dauan Island is also a town and locality in the Torres Strait Island Region, Queensland, Australia. In the , the locality of Dauan Island had a population of 191 people. Geography Dauan Island is approximately 2.85 km long and 2.7 km wide. It is 5 km west of Sabai Island and 11 km south of Papua New Guinea. Dauan forms part of the North Western Islands group of the Torres Strait. Boigu and Saibai Islands make up the remainder of the group. The people of all three islands consider themselves one people. The north-western island group is located close to the Papua New Guinea border and forms the most northern point of Australia’s territory. Situated on a narrow coastal strip, Dauan is well known throughout the Torres Strait for its freshwater permanent springs, fertile soil and steep hills.Queensland, Torres Strait Island Regional Council Communi ...
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Limestone
Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms when these minerals precipitate out of water containing dissolved calcium. This can take place through both biological and nonbiological processes, though biological processes, such as the accumulation of corals and shells in the sea, have likely been more important for the last 540 million years. Limestone often contains fossils which provide scientists with information on ancient environments and on the evolution of life. About 20% to 25% of sedimentary rock is carbonate rock, and most of this is limestone. The remaining carbonate rock is mostly dolomite, a closely related rock, which contains a high percentage of the mineral dolomite, . ''Magnesian limestone'' is an obsolete and poorly-defined term used variously for dolomite, for limes ...
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Historical Geology
Historical geology or palaeogeology is a discipline that uses the principles and methods of geology to reconstruct the geological history of Earth. Historical geology examines the vastness of geologic time, measured in billions of years, and investigates changes in the Earth, gradual and sudden, over this deep time. It focuses on geological processes, such as plate tectonics, that have changed the Earth's surface and subsurface over time and the use of methods including stratigraphy, structural geology, paleontology, and sedimentology to tell the sequence of these events. It also focuses on the evolution of life during different time periods in the geologic time scale. Historical development During the 17th century, Nicolas Steno was the first to observe and propose a number of basic principles of historical geology, including three key stratigraphic principles: the law of superposition, the principle of original horizontality, and the principle of lateral continuity. 18th-century ...
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Escarpment
An escarpment is a steep slope or long cliff that forms as a result of faulting or erosion and separates two relatively level areas having different elevations. The terms ''scarp'' and ''scarp face'' are often used interchangeably with ''escarpment''. Some sources differentiate the two terms, with ''escarpment'' referring to the margin between two landforms, and ''scarp'' referring to a cliff or a steep slope. In this usage an escarpment is a ridge which has a gentle slope on one side and a steep scarp on the other side. More loosely, the term ''scarp'' also describes a zone between a coastal lowland and a continental plateau which shows a marked, abrupt change in elevation caused by coastal erosion at the base of the plateau. Formation and description Scarps are generally formed by one of two processes: either by differential erosion of sedimentary rocks, or by movement of the Earth's crust at a geologic fault. The first process is the more common type: the escarpment is a t ...
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Highland
Highlands or uplands are areas of high elevation such as a mountainous region, elevated mountainous plateau or high hills. Generally speaking, upland (or uplands) refers to ranges of hills, typically from up to while highland (or highlands) is usually reserved for ranges of low mountains. However, the two terms are sometimes interchangeable. Highlands internationally Probably the best-known area officially or unofficially referred to as ''highlands'' in the Anglosphere is the Scottish Highlands in northern Scotland, the mountainous region north and west of the Highland Boundary Fault. The Highland council area is a local government area in the Scottish Highlands and Britain's largest local government area. Other highland or upland areas reaching 400-500 m or higher in the United Kingdom include the Southern Uplands in Scotland, the Pennines, North York Moors, Dartmoor and Exmoor in England, and the Cambrian Mountains in Wales. Many countries and regions also have areas referre ...
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Mountain Chain
A mountain chain is a row of high mountain summits, a linear sequence of interconnected or related mountains,Whittow, John (1984). ''Dictionary of Physical Geography''. London: Penguin, p 87. . or a contiguous ridge of mountains within a larger mountain range. The term is also used for elongated fold mountains with several parallel chains ("chain mountains"). While in mountain ranges, the term mountain chain is common, in hill ranges a sequence of hills tends to be referred to a ridge or hill chain. Elongated mountain chains occur most frequently in the orogeny of fold mountains, (that are folded by lateral pressure), and nappe belts (where a sheetlike body of rock has been pushed over another rock mass). Other types of range such as horst ranges, fault block mountain or truncated uplands rarely form parallel mountain chains. However, if a truncated upland is eroded into a high table land, the incision of valleys can lead to the formations of mountain or hill chains. Formatio ...
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World Heritage Area
A World Heritage Site is a landmark or area with legal protection by an international convention administered by the United Nations Educational, Scientific and Cultural Organization (UNESCO). World Heritage Sites are designated by UNESCO for having cultural, historical, scientific or other form of significance. The sites are judged to contain "cultural and natural heritage around the world considered to be of outstanding value to humanity". To be selected, a World Heritage Site must be a somehow unique landmark which is geographically and historically identifiable and has special cultural or physical significance. For example, World Heritage Sites might be ancient ruins or historical structures, buildings, cities, deserts, forests, islands, lakes, monuments, mountains, or wilderness areas. A World Heritage Site may signify a remarkable accomplishment of humanity, and serve as evidence of our intellectual history on the planet, or it might be a place of great natural beauty. As ...
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Wet Tropics Of Queensland
The Wet Tropics of Queensland World Heritage Site consists of approximately 8,940 km2 of Australian wet tropical forests growing along the north-east Queensland portion of the Great Dividing Range. The Wet Tropics of Queensland meets all four of the criteria for natural heritage for selection as a World Heritage Site. World Heritage status was declared in 1988, and on 21 May 2007 the Wet Tropics were added to the Australian National Heritage List. The tropical forests have the highest concentration of primitive flowering plant families in the world. Only Madagascar and New Caledonia, due to their historical isolation, have humid, tropical regions with a comparable level of endemism. The Wet Tropics rainforests are recognised internationally for their ancient ancestry and many unique plants and animals. Many plant and animal species in the Wet Tropics are found nowhere else in the world. The Wet Tropics has the oldest continuously surviving tropical rainforests on earth. ...
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Gondwana Rainforests
The Gondwana Rainforests of Australia, formerly known as the Central Eastern Rainforest Reserves, are the most extensive area of subtropical rainforest in the world. Collectively, the rainforests are a World Heritage Site with fifty separate reserves totalling from to Brisbane. Background The Gondwana Rainforests are so-named because the fossil record indicates that when Gondwana existed it was covered by rainforests containing the same kinds of species that are living today. Not all Gondwanan rainforests in Australia are located in the New South WalesQueensland region; the largest Gondwanan rainforest in Australia is located in Tasmania, Tasmania's Tarkine wilderness. The number of visitors to the Gondwana rainforest reserves in New South Wales and Queensland is about 2 million per year. The World Heritage status of the region was created and negotiated initially in 1986, with the area extended in 1994, following a nomination which was prepared in 1992 by the Rainforest Conse ...
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Greater Blue Mountains Area
The Greater Blue Mountains Area is a World Heritage Site located in the Blue Mountains of New South Wales, Australia. The area was placed on the World Heritage List at the 24th Session of the World Heritage Committee, held in Cairns in 2000. Etymology When the atmospheric temperature of the region rises, the essential oil from the eucalyptus species evaporates and disperses in the air, causing visible spectra of sunlight to scatter. The scattering causes the shorter wavelength colours (blue) to propagate more than the longer wavelength colours (red). This causes reflections from the mountains to appear bluish to human eyes, giving the mountain region its signature name, "Blue Mountains". Description The Greater Blue Mountains Area consists of of mostly forested landscape on a sandstone plateau inland from the Sydney central business district. The area includes vast expanses of wilderness and is equivalent in area to almost one-third the size of Belgium, or twice the siz ...
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Grampians (region)
The Grampians is an economic rural region located in the western part of Victoria, Australia. The region lies to the northwest of the western suburbs of Greater Melbourne, to the state's western border with South Australia and includes the Grampians National Park and significant gold mining heritage assets. The Grampians region has two sub-regions, Grampians Central Highlands and Wimmera Southern Mallee. As at the 2016 Australian census, the Grampians region had a population of , with almost half of the population located in the City of Ballarat. The principal centres of the region, in descending order of population, are Ballarat, Bacchus Marsh, , , and . Administration Political representation For the purposes of Australian federal elections for the House of Representatives, the Grampians region is contained within all or part of the electoral divisions of Ballarat, Corangamite, Mallee, and Wannon. For the purposes of Victorian elections for the Legislative Ass ...
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