Darling Fault
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Darling Fault
The Darling Fault is one of the longest and most significant faults in Australia, extending for at least 1500 km in a north–south orientation near the west coast of southern Western Australia. It is a major geological boundary separating the Archaean Yilgarn Craton in the east from the younger Pinjarra Orogen and overlying Phanerozoic Perth Basin to the west. The fault zone is very ancient and initially formed during the Proterozoic Eon. In the Perth area, the Darling Fault must once have coincided with the Darling Scarp, the abrupt escarpment immediately east of the city of Perth, but the scarp has since eroded eastward of the fault, leaving a formation of foothills known as the Ridge Hill Shelf. The fault is located on the western edge of the Ridge Hill Shelf; a good reference point of its location is the point where the Great Eastern Highway passes over the current Eastern railway line in Bellevue Bellevue means "beautiful view" in French. It may refer to: Pla ...
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Fault (geology)
In geology, a fault is a planar fracture or discontinuity in a volume of rock across which there has been significant displacement as a result of rock-mass movements. Large faults within Earth's crust result from the action of plate tectonic forces, with the largest forming the boundaries between the plates, such as the megathrust faults of subduction zones or transform faults. Energy release associated with rapid movement on active faults is the cause of most earthquakes. Faults may also displace slowly, by aseismic creep. A ''fault plane'' is the plane that represents the fracture surface of a fault. A ''fault trace'' or ''fault line'' is a place where the fault can be seen or mapped on the surface. A fault trace is also the line commonly plotted on geologic maps to represent a fault. A ''fault zone'' is a cluster of parallel faults. However, the term is also used for the zone of crushed rock along a single fault. Prolonged motion along closely spaced faults can blur the ...
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Darling Scarp
The Darling Scarp, also referred to as the Darling Range or Darling Ranges, is a low escarpment running north–south to the east of the Swan Coastal Plain and Perth, Western Australia. The escarpment extends generally north of Bindoon, to the south of Pemberton. The adjacent Darling Plateau goes easterly to include Mount Bakewell near York and Mount Saddleback near Boddington. It was named after the Governor of New South Wales, Lieutenant-General Ralph Darling. History The feature was first recorded as General Darling Range by Charles Fraser, Government Botanist with Captain James Stirling aboard in March 1827. Maps from the 1830s show the scarp labelled " General Darlings Range"; this later became Darling Range, a name by which the formation was still commonly known in the late 20th century despite common understanding of it being an escarpment. There is also a tendency to identify the locations on or to the east of the scarp as being in the "Perth Hills" (or simpl ...
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Geology Of Western Australia
Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to the south, the Northern Territory to the north-east, and South Australia to the south-east. Western Australia is Australia's largest state, with a total land area of . It is the second-largest country subdivision in the world, surpassed only by Russia's Sakha Republic. the state has 2.76 million inhabitants  percent of the national total. The vast majority (92 percent) live in the south-west corner; 79 percent of the population lives in the Perth area, leaving the remainder of the state sparsely populated. The first Europeans to visit Western Australia belonged to the Dutch Dirk Hartog expedition, who visited the Western Australian coast in 1616. The first permanent European colony of Western Australia occurred following the l ...
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Sense Of Place
The term sense of place has been used in many different ways. It is a multidimensional, complex construct used to characterize the relationship between people and spatial settings. It is a characteristic that some geographic places have and some do not, while to others it is a feeling or perception held by people (not by the place itself). It is often used in relation to those characteristics that make a place special or unique, as well as to those that foster a sense of authentic human attachment and belonging. Others, such as geographer Yi-Fu Tuan, have pointed to senses of place that are not "positive," such as fear. Some students and educators engage in " place-based education" in order to improve their "sense(s) of place," as well as to use various aspects of place as educational tools in general. The term is used in urban and rural studies in relation to place-making and place-attachment of communities to their environment or homeland. The term sense of place is used to des ...
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Bellevue, Western Australia
Bellevue is an eastern suburb of Perth, Western Australia in the local government areas of the City of Swan and the Shire of Mundaring. It is at the foot of the slopes of Greenmount, a landmark on the Darling Scarp that is noted in the earliest of travel journals of the early Swan River Colony. Community Bellevue has been bisected by the Roe Highway, railway, and substantial changes in the eastern parts of Midland. The Bellevue Primary School was closed and amalgamated with the Koongamia Primary School to form the new Clayton View Primary School slightly up the hill towards Greenmount. It was the location of the original offices of what became the Mundaring Shire Council. It was also the location of the Catholic Church that preceded the St Anthony's church in Greenmount. A significant point of contact in the twentieth century for the local community was the Darling Range Hotel. Geography Bellevue is bounded by the Helena River to the south, Great Eastern Highway to th ...
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Eastern Railway (Western Australia)
The Eastern Railway is the main railway route between Fremantle and Northam in Western Australia. It opened in stages between 1881 and 1893. The line continues east to Kalgoorlie as the Eastern Goldfields Railway. Initial section The first sod of the Fremantle-Guildford Railway was turned by Governor Ord at Guildford on 3 June 1879. The event coincided with the celebration of the 50th anniversary of settlement of Western Australia. The alignment of this first section of the railway has remained generally unchanged since it opened on 1 March 1881 and now forms part of Transperth's Fremantle Line and Midland Line. Notable changes to this section include: * Electrification of the Perth suburban rail network in 1991 * Sinking of Subiaco station in 1998 as part of Subi Centro * Sinking of the line through the former Perth Yards as part of Perth City Link The centenary of the railway was celebrated on 1 March 1981. First route The ''First Route'', from to , was opened on ...
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Great Eastern Highway
Great Eastern Highway is a road that links the Western Australian capital of Perth with the city of Kalgoorlie. A key route for road vehicles accessing the eastern Wheatbelt and the Goldfields, it is the western portion of the main road link between Perth and the eastern states of Australia. The highway forms the majority of National Highway 94, although the alignment through the Perth suburbs of Guildford and Midland, and the eastern section between Coolgardie and Kalgoorlie are not included. Various segments form parts of other road routes, including National Route 1, Alternative National Route 94, and State Route 51. There are numerous intersections in Perth with other highways and main roads, including Canning, Albany, Tonkin and Roe Highways, and Graham Farmer Freeway. There are also two rural highways that spur off Great Eastern Highway. Great Southern Highway begins near Perth's eastern metropolitan boundary, linking towns such as York, Brookt ...
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Ridge Hill Shelf
The Ridge Hill Shelf is a landform that forms part of the foothills of the Darling Scarp, a low escarpment that runs parallel with the west coast in southwest Western Australia. It was formed by coastal erosion of the scarp in the Pleistocene, when the sea level was higher, and the scarp located further west than at present. The action of coastal forces produced sand dunes that subsequently lithification, lithified into eolianite, and eroded the ironstone of the scarp, resulting in an iron-rich sandstone with a laterite cap. The iron gives the sandstone a dull purple-brown colour; depending on the extent of iron-enrichment, the sandstone may appear predominantly yellow, predominantly purple-brown, or a mottled combination of the two. The shelf is about high on average, and is therefore well-drained. It is largely vegetated by a forest of ''Eucalyptus marginata'' (jarrah) and ''Corymbia calophylla'' (marri), with an understorey of ''Banksia'', ''Casuarina fraseriana'' and ''Xylomel ...
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Perth, Western Australia
Perth is the capital and largest city of the Australian state of Western Australia. It is the fourth most populous city in Australia and Oceania, with a population of 2.1 million (80% of the state) living in Greater Perth in 2020. Perth is part of the South West Land Division of Western Australia, with most of the metropolitan area on the Swan Coastal Plain between the Indian Ocean and the Darling Scarp. The city has expanded outward from the original British settlements on the Swan River, upon which the city's central business district and port of Fremantle are situated. Perth is located on the traditional lands of the Whadjuk Noongar people, where Aboriginal Australians have lived for at least 45,000 years. Captain James Stirling founded Perth in 1829 as the administrative centre of the Swan River Colony. It was named after the city of Perth in Scotland, due to the influence of Stirling's patron Sir George Murray, who had connections with the area. It gained city stat ...
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Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, smaller islands. With an area of , Australia is the largest country by area in Oceania and the world's List of countries and dependencies by area, sixth-largest country. Australia is the oldest, flattest, and driest inhabited continent, with the least fertile soils. It is a Megadiverse countries, megadiverse country, and its size gives it a wide variety of landscapes and climates, with Deserts of Australia, deserts in the centre, tropical Forests of Australia, rainforests in the north-east, and List of mountains in Australia, mountain ranges in the south-east. The ancestors of Aboriginal Australians began arriving from south east Asia approximately Early human migrations#Nearby Oceania, 65,000 years ago, during the Last Glacial Period, last i ...
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Proterozoic
The Proterozoic () is a geological eon spanning the time interval from 2500 to 538.8million years ago. It is the most recent part of the Precambrian "supereon". It is also the longest eon of the Earth's geologic time scale, and it is subdivided into three geologic eras (from oldest to youngest): the Paleoproterozoic, Mesoproterozoic, and Neoproterozoic. The Proterozoic covers the time from the appearance of oxygen in Earth's atmosphere to just before the proliferation of complex life (such as trilobites or corals) on the Earth. The name ''Proterozoic'' combines two forms of ultimately Greek origin: meaning 'former, earlier', and , 'of life'. The well-identified events of this eon were the transition to an oxygenated atmosphere during the Paleoproterozoic; the evolution of eukaryotes; several glaciations, which produced the hypothesized Snowball Earth during the Cryogenian Period in the late Neoproterozoic Era; and the Ediacaran Period (635 to 538.8 Ma) which is characterize ...
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Perth Basin
The Perth Basin is a thick, elongated sedimentary basin in Western Australia. It lies beneath the Swan Coastal Plain west of the Darling Scarp, representing the western limit of the much older Yilgarn Craton, and extends further west offshore. Cities and towns including Perth, Busselton, Bunbury, Mandurah and Geraldton are built over the Perth Basin. Geological setting and evolution The Perth Basin began forming in the Late Permian during the breakup of Gondwana, as the Australian continental plate began rifting away from the African and Indian continental plates. During the Permian, what is now the Perth Basin was the eastern half of a rift valley that formed as the continental plates were pulled apart. This pulling apart, which continued until the Jurassic, led to the central zone subsiding as a graben allowing the sea to enter with the subsequent deposition of transgressive marine sediments. The Perth Basin architecture is dominated by listric, extensional faulting that fo ...
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