Talk:High Arctic Large Igneous Province

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LIP table

A table of LIPs clustered with the HALIP. --Fama Clamosa (talk) 13:09, 28 March 2016 (UTC)[reply]

Age (Ma)	LIP	Current location
130	Paraná-Etendeka	South-eastern Africa, western South America
	Comei-Bunbury	South-eastern Tibet, south-western Australia
	Whitsunday	Eastern Australia
	Shatsky Rise	Pacific, off Japan
120	Ontong-Java-Manihiki-Hikurangi	Central Pacific
	Pigafetta-East Marianas-Nauru	Western Pacific
	Kerguelen-Rajmahal-Wallaby	Southern and western Indian Ocean, India
	Mozambique Ridge	Indian Ocean, off Mozambique
90	Madagascar	Madagascar
	Madagascar Plateau	Indian Ocean, south of Madagascar
	Crozet Plateau-Conrad Rise	Indian Ocean, between South Africa and Kerguelen
	Caribbean	Caribbean

During the past 150 million years LIPs have come in clusters with an average of one every ten million years. This clustering of LIPs is linked to the supercontinent cycle and has led to the proposal of superplumes or Large Low Shear Velocity Provinces (LLSVP). The HALIP, with its protracted lifespan, was part of several such clustering events at roughly 130, 120, and 90 Ma of which the last produced more than 18,000,000 km³ (4,300,000 cu mi) of igneous material alone. LIPs clustered with the HALIP are listed in the adjacent table.
Bryan & Ferrari 2013, Large Igneous Province Clusters, pp. 1055-1057; fig. 2, p. 1056

* Bryan, S. E.; Ferrari, L. (2013). "Large igneous provinces and silicic large igneous provinces: Progress in our understanding over the last 25 years" (PDF). Geological Society of America Bulletin. 125 (7–8): 1053–1078. doi:10.1130/B30820.1. Retrieved March 2016. {{cite journal}}: Check date values in: |accessdate= (help); Invalid |ref=harv (help)

HALIP mantle plume

Hi Fama Clamosa, thanks for your contributions! In the article you stated that a mantle plume was centered on the southern Alpha Ridge. Whereabouts is this mantle plume today? I'm assuming the HALIP is likely related to the Iceland hotspot. Volcanoguy 16:32, 28 March 2016 (UTC)[reply]

Thanks Volcanoguy. According to Golonka & Bocharova 2000, fig. 2 the HALIP apparently is related to the Iceland hot spot, but none of my sources mention any of those tracks. The article is a bit of a mess at this time. I hope I get the chance to clean-up the place and add this. --Fama Clamosa (talk) 03:41, 29 March 2016 (UTC)[reply]

Fama Clamosa it appears that the Alpha Ridge and Ellesmere Island Volcanics are already mentioned in the Iceland plume article. Volcanoguy 19:47, 29 March 2016 (UTC)[reply]

Indeed Volcanoguy. IRL stuff is keeping me busy for now, but I'll have a look at it this weekend. --Fama Clamosa (talk) 16:16, 31 March 2016 (UTC)[reply]

Youngest Ocean?

'The Arctic Ocean is a few hundred million years old, making it the youngest ocean on Earth.' I'm no geologist but a quick search reveals that the Atlantic Ocean is 'geologically the youngest' ocean. Other sources cite the Southern Ocean. The complexities of all this should be resolved here by someone more qualified than me. RobotBoy66 (talk) 09:56, 28 September 2023 (UTC)[reply]