| dbo:abstract |
Discovery Seamounts are a chain of seamounts in the Southern Atlantic Ocean, which include the Discovery Seamount. The seamounts lie 850 kilometres (530 mi) east of Gough Island and once rose above sea level. Various volcanic rocks as well as glacial dropstones and sediments have been dredged from the seamounts. The Discovery Seamounts appear to be a volcanic seamount chain controlled by the Discovery hotspot, which had its starting point either in the ocean, Cretaceous kimberlite fields in southern Namibia or the Karoo-Ferrar large igneous province. The seamounts formed between 41 and 35 million years ago; presently the hotspot is thought to lie southwest of the seamounts, where there are geological anomalies in the Mid-Atlantic Ridge that may reflect the presence of a neighbouring hotspot. (en) I Discovery Seamounts sono una catena di montagne sottomarine situata nella parte meridionale dell'Oceano Atlantico, che include anche il Discovery Seamount, la montagna che dà il nome all'intera catena. (it) |
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http://epic.awi.de/9854/1/Uen2003i.pdf http://oceanrep.geomar.de/25311/1/doi~10.2312%252Fcr_msm19_3.pdf https://academic.oup.com/petrology/article/51/10/2089/1575361%7Clanguage=en%7Cissn=0022-3530%7Cdoi-access=free https://esajournals.onlinelibrary.wiley.com/doi/full/10.1002/ecy.3564 |
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Discovery Seamounts (en) |
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I Discovery Seamounts sono una catena di montagne sottomarine situata nella parte meridionale dell'Oceano Atlantico, che include anche il Discovery Seamount, la montagna che dà il nome all'intera catena. (it) Discovery Seamounts are a chain of seamounts in the Southern Atlantic Ocean, which include the Discovery Seamount. The seamounts lie 850 kilometres (530 mi) east of Gough Island and once rose above sea level. Various volcanic rocks as well as glacial dropstones and sediments have been dredged from the seamounts. (en) |
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Discovery Seamounts (en) Discovery Seamounts (it) |
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