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Rarotonga hotspot information


The Rarotonga hotspot is in the Pacific Ocean, between the points 24 and 35 in this map.

The Rarotonga hotspot is a volcanic hotspot in the southern Pacific Ocean. The hotspot is claimed to be responsible for the formation of Rarotonga and some volcanics of Aitutaki but an alternative explanation for these islands most recent volcanics has not been ruled out.[1] Recently alternatives to hotspot activity have been offered for several other intra-plate volcanoes that may have been associated with the Rarotonga hotspot hypothesis.[2][3]

In addition to these volcanoes in the Cook Islands, the composition of volcanic rocks in Samoa and in the Lau Basin may have been influenced by the Rarotonga hotspot, and some atolls and seamounts in the Marshall Islands may have formed on the hotspot as well.

  1. ^ Jackson et al. 2020, p. 11.
  2. ^ Cite error: The named reference Igor2022 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Wei2022 was invoked but never defined (see the help page).

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Rarotonga hotspot

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The Rarotonga hotspot is a volcanic hotspot in the southern Pacific Ocean. The hotspot is claimed to be responsible for the formation of Rarotonga and...

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Rarotonga

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being formed by the Macdonald hotspot, its age is too young, and its formation is attributed to a short-lived Rarotonga hotspot, or to rejuvenated volcanism...

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Geology of the Cook Islands

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more is understood. Rarotonga erupted between 1·697 to 1·157 million years ago and so can not be assigned to say the Macdonald hotspot which went through...

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Macdonald hotspot

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chains, including the previously mentioned hotspots as well as the Arago hotspot, Marquesas Islands and Rarotonga. Beneath the Superswell, a region of upwelling...

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Louisville hotspot

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the eruptives from the Hawaii hotspot. Louisville Ridge Christmas Island Seamount Province Arago hotspot Rarotonga hotspot Hollister Ridge Osbourn Seamount...

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Samoa hotspot

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previously expected. Arago hotspot Rarotonga hotspot Macdonald hotspot Russell, Jamie A. "Hotspot Lesson: Samoan Hotspot". Enduring Resources Earth Science...

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Sheraton Resort Rarotonga

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The Sheraton Resort Rarotonga or Vaimaanga Hotel is an incomplete derelict hotel in Vaimaanga on Rarotonga in the Cook Islands. Intended to be the first...

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Hotspot highway

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where the postulated tracks of the Samoa, Macdonald, Rurutu, and Rarotonga hotspots all cross paths with one another. While the concept has stood the...

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Arago hotspot

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Arago hotspot. Presently, Arago and the Macdonald hotspot are the two active hotspots of the Austral Islands, but a hotspot that formed Rarotonga may also...

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Geology of the Pacific Ocean

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Macdonald hotspot Marquesas hotspot Ngatemato seamounts Pitcairn hotspot Rarotonga hotspot Samoa hotspot Tarava Seamounts Tasmantid hotspot Taukina seamounts...

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Pitcairn hotspot

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hotspot were estimated to be from 0.6 and 0.7 Ma. The hotspot has four islands that have formed since the hotspot's origin. Arago hotspot Rarotonga hotspot...

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Geography of Samoa

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by the same hotspot, but also intersect with older seamounts along the hotspot highway left by the Macdonald, Rurutu, and Rarotonga hotspots and feature...

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Society hotspot

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to subducted oceanic crust being sampled by the plume. Arago hotspot Rarotonga hotspot Tarava Seamounts Neall, V.E.; Trewick, S.A. (2008). "The age and...

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List of seamounts in the Marshall Islands

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seamounts, with the Society hotspot, Rurutu hotspot, Rarotonga hotspot and the Macdonald hotspot being candidate hotspots responsible for the development...

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Magellan Seamounts

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associations with the Arago hotspot and/or the Rarotonga hotspot and make a previously suggested association with the Samoa hotspot less likely. Given their...

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Ioah Guyot

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has been explained by a hotspot that would now be located close to the Rarotonga hotspot, Samoa hotspot and Society hotspot were it still active. Compositionally...

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Marquesas hotspot

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and consequent changes in the lithospheric stress field. Arago hotspot Rarotonga hotspot Neall, V.E.; Trewick, S.A. (2008). "The age and origin of the...

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Pako Guyot

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trachybasaltic composition and geochemically resemble these erupted by the Rarotonga hotspot. Clays with Cenomanian-age radiolarian fossils cover the entire lower...

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Limalok

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was probably a shield volcano at first; the Macdonald, Rarotonga, Rurutu and Society hotspots may have been involved in its formation. After volcanic...

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Ita Mai Tai

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Magellan Seamounts to be a product of the same hotspot. The Rarotonga hotspot, Samoa hotspot and Society hotspot appear to coincide with the reconstructed...

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Polynesia

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genomic model presents a migration pathway from Samoa to the Cook Islands (Rarotonga), then to the Society Islands (Tōtaiete mā) in the 11th century AD, the...

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Marquesas Islands

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have been formed by a centre of upwelling magma, called the Marquesas hotspot. The islands in the group fall naturally into two geographical divisions...

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Vlinder Guyot

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Guyot formed about 95 million years ago, presumably as a consequence of hotspot volcanism. The volcanic island became an atoll with active reefs that eventually...

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Oceania

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"Sea-change: Performing a fluid continent: 2nd Oceanic Performance Biennial: Rarotonga, Cook Islands, 8–11 July 2015". Performance Research. 21 (2): 90–95. doi:10...

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Samoans

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(French Polynesia) Tahiti (French Polynesia) Ha'apai (Tonga) Vava'u (Tonga) Rarotonga (Cook Islands) Pukapuka (Cook Islands) Tuvalu Havai'i (Hawaii) Futuna...

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List of LTE networks

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2017-03-17. Retrieved 2017-03-17. "SES Networks to support 4G upgrade for Rarotonga and Aitutaki". TeleGeography. 2017-09-05. Retrieved 2017-09-05. "Bluesky...

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