| 词条 | Indo-Australian Plate |
| 释义 |
The Indo-Australian Plate is a major tectonic plate that includes the continent of Australia and surrounding ocean, and extends northwest to include the Indian subcontinent and adjacent waters. It was formed by the fusion of Indian and Australian plates approximately 43 million years ago.[1] Plate movementsThe eastern part (Australia) is moving northward at the rate of {{convert|5.6|cm|in|abbr=on}} per year while the western part (India) is moving only at the rate of {{convert|3.7|cm|in|abbr=on}} per year due to the impediment of the Himalayas. This differential movement has resulted in the compression of the former plate near its centre at Sumatra and the division into the Indian and Australian Plates.[2][3] A third plate, known as the Capricorn Plate, may also be separating off the western side of the Indian plate as part of the continued breakup of the Indo-Australian Plate.[4] SeparationRecent studies, and evidence from seismic events such as the 2012 Indian Ocean earthquakes, suggest that the Indo-Australian Plate may have broken up into two or three separate plates due primarily to stresses induced by the collision of the Indo-Australian Plate with Eurasia along what later became the Himalayas,[5][6] and that the Indian Plate and Australian Plate have been separate since at least {{mya|3}}.[7] References1. ^{{cite web|url=http://austhrutime.com/indo-australian_plate.htm|title=The Indo-Australian Plate|website=austhrutime.com}} {{Tectonic plates}}2. ^{{cite web |date=26 September 2012 |url=https://www.newscientist.com/article/mg21528843.500-earth-cracking-up-under-indian-ocean.html |title=Earth cracking up under Indian Ocean |publisher=New Scientist |accessdate=14 March 2018}} 3. ^{{cite journal |url=https://www.nature.com/articles/nature11520 |title=April 2012 intra-oceanic seismicity off Sumatra boosted by the Banda-Aceh megathrust |first1=Matthias|last1=Delescluse |first2=Nicolas|last2=Chamot-Rooke |first3=Rodolphe|last3=Cattin |first4=Luce|last4=Fleitout |first5=Olga|last5=Trubienko |first6=Christophe|last6=Vigny |date=26 September 2012 |journal=Nature |volume=490|issue=7419|pages=240 |via=www.nature.com |doi=10.1038/nature11520}} 4. ^{{cite news | url=http://phys.org/news/2012-09-sumatra-quake-crustal-plate-breakup.html | title=Sumatra quake was part of crustal plate breakup: Study shows huge jolt measured 8.7, ripped at least 4 faults | work=Phys.Org | date=26 September 2012 | accessdate=6 October 2012 |first1=Lee |last1=Siegel}} 5. ^{{cite web|url=http://www.columbia.edu/cu/pr/95/18688.html|title=Press Release: An Earth Plate Is Breaking in Two|website=www.columbia.edu}} 6. ^R. R. Hillis, R. D. Müller. Evolution and Dynamics of the Australian Plate 7. ^{{cite book|chapter-url=http://www.earth.northwestern.edu/public/emile/PDF/EAO147.pdf |chapter=The January 26, 2001 Bhuj Earthquake and the Diffuse Western Boundary of the Indian Plate |last1=Stein|first1=Seth |title=Plate Boundary Zones |pages=243–254 |first2=Giovanni|last2=Sella |first3=Emile A.|last3=Okai |publisher=American Geophysical Union |date=2002 |doi=10.1029/GD030p0243 |accessdate=26 December 2015|series=Geodynamics Series |isbn=9781118670446 }} 8 : Tectonic plates|Geology of Australia|Geology of India|Geology of New Zealand|New Guinea|Geology of the Pacific Ocean|Geology of the Indian Ocean|Geology of Indonesia |
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