About: Gawler Craton

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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. Subsequent deformation on the craton has been largely epeirogenic forming shallow fault-bounded intracontinental depressions represented by Cainozoic basins, the southern continental margin and Spencer Gulf.

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  • Der Gawler-Kraton ist der älteste und größte geologische Krustenblock in South Australia (Südaustralien). Er repräsentiert eine komplexe tektonische Einheit, die einen Gestehungszeitraum von vor ca. 3.200 bis 1.450 Millionen Jahren (abgekürzt mya) umfasst. Er besteht aus einem meoarchaischem bis neoarchischem Kern, der von paläoproterozoischen bis mesoproterozoischen Gesteinen umschlossen ist. Die mesoarchaische Phase ist geprägt von felsischem Magmatismus, während vom Neoarchaikum bis zum Paläoproterozoikum Sedimentationen und bimodaler Vulkanismus vorherrschend war. Im Mesoproterozoikum trat wieder felsischer Vulkanismus auf. Um 1450 mya hatte sich der Kraton konsolidiert. (de)
  • 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. The Craton can be subdivided into a number of tectonic subdomains on the basis of structure and tectonostratigraphic history. The south-central Eyre Peninsula straddles the boundary between the Archaean to early Palaeoproterozoic Coulta Subdomain and the Cleve Subdomain, a Palaeoproterozoic orogenic belt ("mobile zone") probably representing a shelf or basinal depository for the Hutchison Group (ca. 1900–1845 Ma) prior to its deformation during the Kimban orogeny (ca. 1845–1710 Ma). On northeastern Eyre Peninsula, the Cleve Subdomain is bounded by the slightly younger Moonta Subdomain which is characterised by less intensely deformed metamorphosed acid volcanics and sediments ranging from the Myola Volcanics and Moonta Porphyry to the Moonabie Formation and Wandearah Metasiltstone. Subsequent deformation on the craton has been largely epeirogenic forming shallow fault-bounded intracontinental depressions represented by Cainozoic basins, the southern continental margin and Spencer Gulf. (en)
  • Il cratone Gawler si estende su un'area di circa 440.000 km2 nella parte centrale dell'Australia Meridionale. Il basamento cristallino precambriano della sua crosta si cratonizzò tra 1550 e 1450 milioni di anni fa. Prima di allora il cratone comprendeva una serie di cinture orogenetiche proterozoiche che risalivano ad almeno 2450 milioni di anni fa. (it)
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  • Der Gawler-Kraton ist der älteste und größte geologische Krustenblock in South Australia (Südaustralien). Er repräsentiert eine komplexe tektonische Einheit, die einen Gestehungszeitraum von vor ca. 3.200 bis 1.450 Millionen Jahren (abgekürzt mya) umfasst. Er besteht aus einem meoarchaischem bis neoarchischem Kern, der von paläoproterozoischen bis mesoproterozoischen Gesteinen umschlossen ist. Die mesoarchaische Phase ist geprägt von felsischem Magmatismus, während vom Neoarchaikum bis zum Paläoproterozoikum Sedimentationen und bimodaler Vulkanismus vorherrschend war. Im Mesoproterozoikum trat wieder felsischer Vulkanismus auf. Um 1450 mya hatte sich der Kraton konsolidiert. (de)
  • Il cratone Gawler si estende su un'area di circa 440.000 km2 nella parte centrale dell'Australia Meridionale. Il basamento cristallino precambriano della sua crosta si cratonizzò tra 1550 e 1450 milioni di anni fa. Prima di allora il cratone comprendeva una serie di cinture orogenetiche proterozoiche che risalivano ad almeno 2450 milioni di anni fa. (it)
  • 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. Subsequent deformation on the craton has been largely epeirogenic forming shallow fault-bounded intracontinental depressions represented by Cainozoic basins, the southern continental margin and Spencer Gulf. (en)
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  • Gawler-Kraton (de)
  • Gawler Craton (en)
  • Cratone Gawler (it)
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