Geology of South Australia

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Gully erosion in the Warren Catchment east of Adelaide in the Mount Lofty Ranges 1992 CSIRO ScienceImage 4434 Gully erosion in the Warren Catchment east of Adelaide in the Mount Lofty Ranges South Australia 1992.jpg
Gully erosion in the Warren Catchment east of Adelaide in the Mount Lofty Ranges 1992

South Australia is an Australian state, situated in the southern central part of the country, and featuring some low-lying mountain ranges, the most significant being the Mount Lofty Ranges, which extend into the state's capital city, Adelaide, which comprises most of the state's population. Adelaide is situated on the eastern shores of Gulf St Vincent, on the Adelaide Plains, north of the Fleurieu Peninsula, between Gulf St Vincent and the low-lying Mount Lofty Ranges. The state of South Australia, which stretches along the coast of the continent and has boundaries with every other state in Australia, with the exception of the Australian Capital Territory and Tasmania. [1] The Western Australia border has a history with South Australia, involving the South Australian Government Astronomer, Dodwell and the Western Australian Government Astronomer, Curlewis in the 1920s to mark the border on the ground.

Contents

The search for underground water and mineral wealth was the principal stimulus to the growth of geology of South Australia. The state's central position within the Australian continent gives the state the advantage of hosting rocks with a wide range of ages and lithologies which are all potential (and proven) targets for mineral exploration. [2] South Australia featured some of Australia's most recent volcanic activity and is the location of dormant volcanoes, notably Mount Gambier, which last erupted approximately 6,000 years ago. [3]

The geology of South Australia examines the composition and state of its rocks. This includes the processes that act upon the land and its geographical features over time. It may also extend to humanity's relationship with the land, especially its Aboriginal peoples. Certain geological features such as Mount Gambier have strong economic benefits for its local inhabitants, namely the residents of the city Mount Gambier. The economic value of the land has been a point of discussion for industrial development to capitalise on the rich resources, particularly minerals, found within South Australia's geological features. Many of these features remain well preserved and protected, as of 2020. [4]

As South Australia is a large Australian state, spanning over 983 482 square kilometres, it has a rich geological history. [5] Its large territories and central position in Australia has resulted in a wide variety of geological features. South Australia has been a major source of mined resources. The state's mining history can be traced back to colonial times, within the first 100 years of settlement. The mining industry in South Australia is dependent on its geology. The South Australian mining industry includes over twenty mines, with large expansions in the 2010s that quadrupled its mineral production. The industry accounts for 40% of the state's exports and has been a major area of investment and expansion by the government and private sector. [6]

Adelaide Superbasin

The Adelaide Superbasin is a series of large, Neoproterozoic to Cambrian aged, sedimentary basins found on the eastern margin of the Gawler Craton, spanning from the Davenport and Denison Ranges, down to Kangaroo Island, and as far east as the Barrier Ranges of New South Wales. [7] It is named after the city of Adelaide.The Adelaide Superbasin initially formed during the breakup of Rodinia [8] with deposition continuing until the Delamerian orogeny. [9] [10] There are over 140 stratigraphic units within the Adelaide Superbasin. Its formation was influenced by salt tectonics and land deformation. [11] The Flinders Ranges and the Mount Lofty Ranges are found within the Adelaide Superbasin.

The Adelaide Superbasin has been the subject of much research as it contains geological evidence for the breakup of Rodinia, two Snowball Earth events, [12] the transition to mostly eukaryotic life, [13] and the Ediacaran Fauna. [14] [15] The most significant commodity extracted from the Adelaide Superbasin so far is copper, with the historic Burra copper mine producing ~2.7 million tonnes of copper ore duiring its lifetime. [16] It is prospective for, and has historically been mined for gold, silver, zinc, cobalt, molybdenum, lead, iron, barite, magnesite, and talc. [17]

Gawler Craton

A tectonic map of the Gawler Craton Tectonic Map of Grawler Craton.gif
A tectonic map of the Gawler Craton

The Gawler Craton is a large geological province in South Australia, with a size comparable to the United Kingdom. Smaller geological features in the province include the Stuart Range Basin and the Pimba Platform. This Gawler Craton is bounded by the Great Australian Bight to the south and Karari Shear Zone to the north. The separation of land due to such features often separates the types of sedimentary rock found in the Gawler Craton. [18]

The Gawler Craton formed more than three billion years ago in the process of felsic magmatism, the movement of silicate minerals and magma. The area continued to experience these processes, as well as sedimentation, until one and a half billion years ago. The Gawler Craton is resource rich, having an abundance of meta-sedimentary rock. [19] Due to its extent and age, the Gawler Craton is also a source for many precious metals and gems. These include jades, diamonds, copper, gold, iron, zinc, lead, cobalt and nickel. [20] As this location has large resources of valuable ore deposits, mining in this area has been lucrative, being estimated at $35 billion. However, due to South Australia's expansive territories, mining in locations such as the Gawler Craton is often remote. As a result, there have been multiple proposals to expand transport infrastructure in South Australia to alleviate such issues. The most common proposals include railways connecting mines and small towns, with the purpose of catalysing economic prosperity in the state. [21]

Lake Eyre Basin

Description

A map of the Lake Eyre Basin Lake eyre basin map.png
A map of the Lake Eyre Basin

The Lake Eyre Basin is the largest endorheic basin in Australia and is over 1.14 million square kilometres. [22] The basin lies in the north east of the state of South Australia. Its South Australian territory is predominantly semi-arid to arid land. As an endorheic basin, it has no outflows to other bodies of water such as oceans or rivers. As a result, the main causes of water loss are evaporation and seepage. The Lake Eyre Basin consists of seven drainage catchments, with the Georgina Diamantina, Cooper Creek and Neales Peake catchments located fully or partially in South Australia.[ citation needed ]

Rainfall is one of the most influential climatic processes that acts upon the Lake Eyre Basin. The Lake Eyre Basin receives more rainfall during the summer season due to the high-pressure ridge of the Handley Cell. Likewise, the basin receives less rainfall during winter. Statistics from the Australian Bureau of Meteorology show that rainfall in winter totalled 8mm whilst in summer it was 38mm. [23] This is more profound in Lake Eyre and the basin's South Australian territories, with an average annual rainfall of roughly 125mm, yet its average evaporation can reach over 3600mm. Consequently, this is the cause of the semi-arid and arid terrain found throughout South Australian Lake Eyre territories.[ citation needed ]

The Lake Eyre Basin consists predominantly of Mesozoic and Cenozoic rocks, which refers to the date of the rocks’ formation, from 248 million years ago to the present day. [24] Additionally, there is also a presence of tertiary and quaternary sediments in surface layers of the Lake Eyre Basin. The basin was formed due to land subsidence over 200 million years ago. Sea-level fluctuations caused the basin to be inundated over 100 million years ago, with the ocean receding from the basin 25 million years ago. Lake Eyre Basin gained its endorheic status roughly one million years ago as the salt lakes within its area began blocking water outflows to rivers. [25]

Historical Importance

The Lake Eyre Basin is also significant in Aboriginal history and culture. The Aboriginal name for the basin is Kati Thanda. This was incorporated into the European name Lake Eyre in 2012 to Kati Thanda-Lake Eyre. [26] The South Australian catchment areas are part of the land called Kirrenderri and inhabited by the Mithaka people for nearly 50 000 years. The Aboriginal area called Wahlduru includes Cooper Creek, the Diamantina River and the Georgina Rivers. The Mithaka people have preserved the land, having strong ties between land and culture. [27]

Mount Gambier

Blue Lake, Mount Gambier Blue lake, Mount Gambier.jpg
Blue Lake, Mount Gambier

Mount Gambier is roughly 480 kilometres south east of Adelaide and is close to the city also named Mount Gambier. The Mount Gambier Volcanic Complex is a state heritage area that consists of four crater lakes which are: Blue Lake, Valley Lake, Leg of Mutton Lake and Browne's Lake. [28] It is a volcanic complex that has become dormant, with its last eruption a minimum of 4 300 years ago. [29] This phreatic eruption formed the craters of Blue Lake and Valley Lake and was caused by the mixing of groundwater and magma that were in close proximity. It was formed over 5 000 years ago, making it the youngest group of volcanoes in Australia. This is a rough estimate of the volcanoes’ age, as the dating of this area is from a range of samples and methods. These samples are also often from swamp deposits that are younger than the volcanoes themselves.

The volcano Mount Gambier is just one of many geological formations that form the Mount Gambier Volcanic Complex. These include Mount Schank, Mount Napier, Mount Eccles, Tower Hill, Mount Pordon and Mount Rouse which range from being three million years old to five thousand years old. The Mount Gambier Volcanic Complex is a state heritage area. The volcanic complex has maar craters and steam vents which were a result of shallow waters being heated by past volcanic activities. The water that lies in Blue Lake, Valley Lake, Leg of Mutton Lake and Browne's Lake used to be a water table, the upper levels of underground water, that was brought to the surface by volcanic activity. [30]

The city of Mount Gambier has strong ties to the volcano Mount Gambier. The city is the second most populous city in South Australia and is a tourist destination due to its nearby geological features. These sites are well-preserved and unique, such as Lake Blue shifting colours depending on the time of year. The Mount Gambier Region is inhabited by the Bungandidj people. They have been the Indigenous custodians of the land for over 30 000 years. [31]

Geomorphology

Mount Lofty Ranges

The Mount Lofty Ranges is situated on a north–south plane and lies east of the city of Adelaide. The Mount Lofty Ranges is surrounded by the western Murray Basin and the city of Adelaide. The region is roughly 300 square kilometres in length and 1,640 square kilometres with an elevation peaking at 936 metres. The Mount Lofty Ranges are estimated to have been formed over 70 million years ago during the late Cretaceous period or the early Tertiary period. Initial formations of the region occurred in the Cambrian era, over 485 million years ago. The movement of tectonic plates in the region caused a subsidence which formed many basins of low amplitude. [32]

Sedimentary rock found in the basin originate from over 14 million years ago, ceasing after this time. The area contains fan-glomerates as a result of fluctuating climatic conditions involving periods of high rainfall and steam discharge alongside calm weather. The region contains coarse ridges as a result of constant erosion. The Mount Lofty Ranges contain sharp slopes, generated due to an uplift in the earth's surface of over 500m along its western segments. [33]

See also

Related Research Articles

<span class="mw-page-title-main">Mount Gambier</span> City in South Australia

Mount Gambier is the second most populated city in South Australia, with an estimated urban population of 26,878 as of 2021. The city is located on the slopes of Mount Gambier, a volcano in the south east of the state, about 450 kilometres (280 mi) south-east of the capital Adelaide and just 17 kilometres (11 mi) from the Victorian border. The traditional owners of the area are the Bungandidj people. Mount Gambier is the most important settlement in the Limestone Coast region and the seat of government for both the City of Mount Gambier and the District Council of Grant.

<span class="mw-page-title-main">Blue Lake / Warwar</span> Large monomictic lake in Mount Gambier, South Australia

Blue Lake / Warwar is a large, monomictic, crater lake located in a dormant volcanic maar associated with the Mount Gambier maar complex. The lake is situated near Mount Gambier in the Limestone Coast region of South Australia, and is one of four volcanic crater lakes originally on Mount Gambier maar. Of the four lakes, only two remain, the other one being Valley Lake / Ketla Malpi; the other two, Leg of Mutton Lake / Yatton Loo and Brownes Lake / Kroweratwari, dried up as the water table dropped.

<span class="mw-page-title-main">Yilgarn Craton</span> Large craton in Western Australia

The Yilgarn Craton is a large craton that constitutes a major part of the Western Australian land mass. It is bounded by a mixture of sedimentary basins and Proterozoic fold and thrust belts. Zircon grains in the Jack Hills, Narryer Terrane have been dated at ~4.27 Ga, with one detrital zircon dated as old as 4.4 Ga.

<span class="mw-page-title-main">Geology of Australia</span>

The geology of Australia includes virtually all known rock types, spanning a geological time period of over 3.8 billion years, including some of the oldest rocks on earth. Australia is a continent situated on the Indo-Australian Plate.

<span class="mw-page-title-main">Mount Schank</span> Mountain in South Australia

Mount Schank is a 100 m (330 ft) high dormant volcano in the southeast corner of South Australia, near Mount Gambier. It was sighted by James Grant on 3 December 1800 and named after Admiral John Schank, designer of Grant's ship, HMS Lady Nelson.

<span class="mw-page-title-main">Adelaide Superbasin</span> Major geological province in central South Australia

The Adelaide Superbasin is a major Neoproterozoic to middle Cambrian geological province in central and south-east South Australia, western New South Wales, and western Victoria.

<span class="mw-page-title-main">Gawler Ranges</span> Mountain range in South Australia

The Gawler Ranges are a range of stoney hills in South Australia to the north of Eyre Peninsula. The Eyre Highway skirts the south of the ranges. The Gawler Ranges National Park is in the ranges north of Kimba and Wudinna. The ranges are covered by the Gawler Ranges Native Title Claim.

The Gawler Craton covers approximately 440,000 square kilometres of central South Australia. Its Precambrian crystalline basement crustal block was cratonised ca. 1550–1450 Ma. Prior to 1550 Ma the craton comprised a number of active Proterozoic orogenic belts extending back in time to at least 2450 Ma.

<span class="mw-page-title-main">Pilbara Craton</span> Old and stable part of the continental lithosphere located in Pilbara, Western Australia

The Pilbara Craton is an old and stable part of the continental lithosphere located in the Pilbara region of Western Australia.

<span class="mw-page-title-main">Australian Shield</span> Large part of the continent of Australia

The Australian Shield is a geological feature known as a shield that occupies more than half of the continent of Australia. The word shield is used because it refers to ancient, molten rock which has cooled and solidified.

<span class="mw-page-title-main">Volcanism of Canada</span> Volcanic activity in Canada

Volcanic activity is a major part of the geology of Canada and is characterized by many types of volcanic landform, including lava flows, volcanic plateaus, lava domes, cinder cones, stratovolcanoes, shield volcanoes, submarine volcanoes, calderas, diatremes, and maars, along with less common volcanic forms such as tuyas and subglacial mounds.

<span class="mw-page-title-main">Geology of the Pacific Northwest</span>

The geology of the Pacific Northwest includes the composition, structure, physical properties and the processes that shape the Pacific Northwest region of North America. The region is part of the Ring of Fire: the subduction of the Pacific and Farallon Plates under the North American Plate is responsible for many of the area's scenic features as well as some of its hazards, such as volcanoes, earthquakes, and landslides.

The former Kanawinka Geopark is situated along a structurally controlling geological fault of the same name that extends from the Naracoorte Caves in South Australia into Western Victoria, before disappearing offshore at Portland.

<span class="mw-page-title-main">Mount Gambier (volcano)</span> Maar in South Australia

Mount Gambier, also known as Berrin, is a maar complex in South Australia associated with the Newer Volcanics Province. The complex contains four maars, the most well-known one of which is Blue Lake / Warwar. The others are Valley Lake / Ketla Malpi, Leg of Mutton Lake / Yatton Loo and Brownes Lake / Kroweratwari. The complex is partially surrounded by the city of Mount Gambier.

<span class="mw-page-title-main">Circum-Superior Belt</span>

The Circum-Superior Belt is a widespread Paleoproterozoic large igneous province in the Canadian Shield of Northern, Western and Eastern Canada. It extends more than 3,400 km (2,100 mi) from northeastern Manitoba through northwestern Ontario, southern Nunavut to northern Quebec and into western Labrador. Igneous rocks of the Circum-Superior Belt are mafic-ultramafic in composition, deposited in the Labrador Trough near Ungava Bay, the Cape Smith Belt near the southern shore of Hudson Strait and along the eastern shore of Hudson Bay in its northern portion; the Thompson and Fox River belts in the northwest and the Marquette Range Supergroup in its southern portion. The Circum Superior Belt also hosts a rare example of Proterozoic Komatiite, in the Winnipegosis komatiite belt.

The West African Craton (WAC) is one of the five cratons of the Precambrian basement rock of Africa that make up the African Plate, the others being the Kalahari craton, Congo craton, Saharan Metacraton and Tanzania Craton. Cratons themselves are tectonically inactive, but can occur near active margins, with the WAC extending across 14 countries in Western Africa, coming together in the late Precambrian and early Palaeozoic eras to form the African continent. It consists of two Archean centers juxtaposed against multiple Paleoproterozoic domains made of greenstone belts, sedimentary basins, regional granitoid-tonalite-trondhjemite-granodiorite (TTG) plutons, and large shear zones. The craton is overlain by Neoproterozoic and younger sedimentary basins. The boundaries of the WAC are predominantly defined by a combination of geophysics and surface geology, with additional constraints by the geochemistry of the region. At one time, volcanic action around the rim of the craton may have contributed to a major global warming event.

Little Blue Lake is a water-filled sinkhole (“cenote”) in the Australian state of South Australia located in the state's south-east in the locality of Mount Schank about 20 kilometres (12 mi) south of the municipal seat of Mount Gambier. It is notable locally as a swimming hole and nationally as a cave diving site. It is managed by the District Council of Grant and has been developed as a recreational and tourism venue.

In South Australia, one of the states of Australia, there are many areas which are commonly known by regional names. Regions are areas that share similar characteristics. These characteristics may be natural such as the Murray River, the coastline, desert or mountains. Alternatively, the characteristics may be cultural, such as common land use. South Australia is divided by numerous sets of regional boundaries, based on different characteristics. In many cases boundaries defined by different agencies are coterminous.

The geology of Cameroon is almost universally Precambrian metamorphic and igneous basement rock, formed in the Archean as part of the Congo Craton and the Central African Mobile Zone and covered in laterite, recent sediments and soils. Some parts of the country have sequences of sedimentary rocks from the Paleozoic, Mesozoic and Cenozoic as well as volcanic rock produced by the 1600 kilometer Cameroon Volcanic Line, which includes the still-active Mount Cameroon. The country is notable for gold, diamonds and some onshore and offshore oil and gas.

Hiltaba Nature Reserve is located in the north of the Eyre Peninsula on the western edge of the Gawler Ranges, South Australia. It is situated on a former pastoral lease known as Hiltaba, or Hiltaba Station, that had operated as a sheep station. It is owned by the Nature Foundation, which purchased the property in 2012.

References

  1. ↑ Australia, c\=AU\;o\=Australia Government\;ou\=Geoscience (15 May 2014). "Border Lengths - States and Territories". www.ga.gov.au. Retrieved 29 December 2018.{{cite web}}: CS1 maint: multiple names: authors list (link)
  2. ↑ corporateName=MER; contact=8226 3821; address=Level 4, 11 Waymouth Street. "Metadata.custom". www.minerals.statedevelopment.sa.gov.au. Retrieved 29 December 2018.{{cite web}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)
  3. ↑ Australia, c\=AU\;o\=Australia Government\;ou\=Geoscience (15 May 2014). "Australian Landforms and their History". www.ga.gov.au. Retrieved 29 December 2018.{{cite web}}: CS1 maint: multiple names: authors list (link)
  4. ↑ Ciobanu, Cristiana L.; Cook, Nigel J.; Ehrig, Kathy (March 2017). "Ore minerals down to the nanoscale: Cu-(Fe)-sulphides from the iron oxide copper gold deposit at Olympic Dam, South Australia". Ore Geology Reviews. 81: 1218–1235. doi:10.1016/j.oregeorev.2016.08.015. ISSN   0169-1368.
  5. ↑ Mafini, Chengedzai; Pooe, David R.I. (25 January 2013). "The relationship between employee satisfaction and organisational performance: Evidence from a South African government department". SA Journal of Industrial Psychology. 39 (1). doi: 10.4102/sajip.v39i1.1090 . ISSN   2071-0763.
  6. ↑ South Australia. Department of Planning, Transport and Infrastructure, issuing body. South Australia, issuing body. Australia, sponsoring body. (2014). South Australian regional mining and infrastructure plan. Department of Planning, Transport and Infrastructure. ISBN   978-0-7590-0119-0. OCLC   891365668.{{cite book}}: CS1 maint: multiple names: authors list (link)
  7. ↑ Lloyd, Jarred C.; Blades, Morgan L.; Counts, John W.; Collins, Alan S.; Amos, Kathryn J.; Wade, Benjamin P.; Hall, James W.; Hore, Stephen; Ball, Ashleigh L.; Shahin, Sameh; Drabsch, Matthew (2020). "Neoproterozoic geochronology and provenance of the Adelaide Superbasin". Precambrian Research. 350: 105849. doi:10.1016/j.precamres.2020.105849. S2CID   225530500.
  8. ↑ Powell, C.McA.; Preiss, W.V.; Gatehouse, C.G.; Krapez, B.; Li, Z.X. (1994). "South Australian record of a Rodinian epicontinental basin and its mid-neoproterozoic breakup (~700 Ma) to form the Palaeo-Pacific Ocean". Tectonophysics. 237 (3–4): 113–140. doi:10.1016/0040-1951(94)90250-X.
  9. ↑ Betts, Marissa J.; Paterson, John R.; Jacquet, Sarah M.; Andrew, Anita S.; Hall, Philip A.; Jago, James B.; Jagodzinski, Elizabeth A.; Preiss, Wolfgang V.; Crowley, James L.; Brougham, Tom; Mathewson, Ciaran P. (2018). "Early Cambrian chronostratigraphy and geochronology of South Australia". Earth-Science Reviews. 185: 498–543. doi:10.1016/j.earscirev.2018.06.005. S2CID   134412139.
  10. ↑ Foden, John; Elburg, Marlina A.; Dougherty-Page, Jon; Burtt, Andrew (2006). "The Timing and Duration of the Delamerian Orogeny: Correlation with the Ross Orogen and Implications for Gondwana Assembly". The Journal of Geology. 114 (2): 189–210. doi:10.1086/499570. hdl: 2440/23647 . ISSN   0022-1376. S2CID   131724740.
  11. ↑ Counts, John W (2017). The Adelaide Rift Complex in the Flinders Ranges: Geologic history, past investigations and relevant analogues. Adelaide: The University of Adelaide. Australian School of Petroleum. pp. 1–7.
  12. ↑ Rooney, Alan D.; Strauss, Justin V.; Brandon, Alan D.; Macdonald, Francis A. (2015). "A Cryogenian chronology: Two long-lasting synchronous Neoproterozoic glaciations". Geology. 43 (5): 459–462. doi:10.1130/G36511.1. ISSN   1943-2682.
  13. ↑ Brocks, Jochen J. (28 September 2018). Lyons, Timothy W.; Droser, Mary L.; Lau, Kimberly V.; Porter, Susannah M. (eds.). "The transition from a cyanobacterial to algal world and the emergence of animals". Emerging Topics in Life Sciences. 2 (2): 181–190. doi:10.1042/ETLS20180039. ISSN   2397-8554. PMID   32412625.
  14. ↑ Bobrovskiy, Ilya; Hope, Janet M.; Ivantsov, Andrey; Nettersheim, Benjamin J.; Hallmann, Christian; Brocks, Jochen J. (21 September 2018). "Ancient steroids establish the Ediacaran fossil Dickinsonia as one of the earliest animals". Science. 361 (6408): 1246–1249. doi:10.1126/science.aat7228. hdl: 1885/230014 . ISSN   0036-8075. PMID   30237355. S2CID   52306108.
  15. ↑ Gehling, James G.; Droser, Mary L. (1 March 2012). "Ediacaran stratigraphy and the biota of the Adelaide Geosyncline, South Australia". Episodes. 35 (1): 236–246. doi: 10.18814/epiiugs/2012/v35i1/023 . ISSN   0705-3797.
  16. ↑ Drexel, John (2008). Review of the Burra Mine Project, 1980–2008—a progress report. Report Book 2008/00016. Department of Primary Industries and Resources.
  17. ↑ Mineral exploration in South Australia 2017: commodity report. Report Book 2017/00047. Adelaide: Department of the Premier and Cabinet. 2017.
  18. ↑ corporateName=MER; contact=8226 3821; address=Level 4, 11 Waymouth Street. "Metadata.custom". www.energymining.sa.gov.au. Retrieved 26 May 2020.{{cite web}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)
  19. ↑ Armit, R.; Betts, P.G.; Schaefer, B.F.; Yi, K.; Kim, Y.; Dutch, R.A.; Reid, A.; Jagodzinski, L.; Giles, D.; Ailleres, L. (April 2017). "Late Palaeoproterozoic evolution of the buried northern Gawler Craton". Precambrian Research. 291: 178–201. Bibcode:2017PreR..291..178A. doi:10.1016/j.precamres.2017.01.023. ISSN   0301-9268.
  20. ↑ corporateName=MER; contact=8226 3821; address=Level 4, 11 Waymouth Street. "Metadata.custom". www.energymining.sa.gov.au. Retrieved 26 May 2020.{{cite web}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)
  21. ↑ "Gawler Craton rail access | Infrastructure Australia". www.infrastructureaustralia.gov.au. Retrieved 26 May 2020.
  22. ↑ Habeck-Fardy, Anna; Nanson, Gerald C. (May 2014). "Environmental character and history of the Lake Eyre Basin, one seventh of the Australian continent". Earth-Science Reviews. 132: 39–66. Bibcode:2014ESRv..132...39H. doi:10.1016/j.earscirev.2014.02.003. ISSN   0012-8252.
  23. ↑ "Monthly Water Update - AWRA - Water Information - Bureau of Meteorology". www.bom.gov.au. Retrieved 26 May 2020.
  24. ↑ Elias, S.A. (2013), "Earth History", Reference Module in Earth Systems and Environmental Sciences, Elsevier, doi:10.1016/b978-0-12-409548-9.05920-0, ISBN   978-0-12-409548-9
  25. ↑ corporateName=MER; contact=8226 3821; address=Level 4, 11 Waymouth Street. "Metadata.custom". www.energymining.sa.gov.au. Retrieved 26 May 2020.{{cite web}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)
  26. ↑ "New name adopted for outback Lake Eyre". www.abc.net.au. 19 December 2012. Retrieved 26 May 2020.
  27. ↑ Kingsford, Richard, ed. (2017). Lake Eyre Basin Rivers. doi: 10.1071/9781486300792 . ISBN   9781486300792.
  28. ↑ Marketing, Simple Integrated (26 May 2020). "Home". City of Mount Gambier. Retrieved 26 May 2020.
  29. ↑ Grimes, Ken (2013). "The Age of Our Volcanoes" (PDF). Hamilton Field Naturalists Club. Retrieved 26 May 2020.
  30. ↑ "Mount Gambier Volcanic Complex state heritage area". Government of South Australia. 26 May 2020. Retrieved 26 May 2020.
  31. ↑ Marketing, Simple Integrated (26 May 2020). "Home". City of Mount Gambier. Retrieved 26 May 2020.
  32. ↑ Water (DEW), Department for Environment and (27 March 2014). "Natural Resources Adelaide and Mount Lofty Ranges". www.naturalresources.sa.gov.au. Retrieved 26 May 2020.
  33. ↑ Tokarev; Gostin, V; V (2003). Mount Lofty Ranges, South Australia. Adelaide: Mount Lofty Ranges, South Australia. pp. 1–3.{{cite book}}: CS1 maint: multiple names: authors list (link)
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