magma ocean

collocation in English

meaningsofmagmaandocean

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withoceanormagma.
magma
noun[U]
uk
/ˈmæɡ.mə/us
/ˈmæɡ.mə/
hot liquid rock found just below the surface of ...
See more atmagma
ocean
noun
uk
/ˈəʊ.ʃən/us
/ˈoʊ.ʃən/
a very large area ...
See more atocean

(Definition ofmagmaandoceanfrom theCambridge English Dictionary© Cambridge University Press)

Examplesofmagma ocean

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
The first issue is the very existence of a terrestrialmagmaocean.
From theCambridge English Corpus
Such a conductive boundary layer on top of themagmaoceanextended the life of themagmaoceanby a few tens of millions of years.
From theCambridge English Corpus
Another hypothesis is that the regions are the remnants of a basalmagmaocean.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Crystallization of thismagmaoceanwould have given rise to a mafic mantle and a plagioclase-rich crust.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
This structure is believed to have resulted from the fractional crystallization of amagmaoceanshortly after its formation about 4.5 billion years ago.
From
Wikipedia
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Core formation through a solid mantle, they conclude, is impossible; to form a core requires amagmaocean.
From
Wikipedia
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Ages of formation and crystallization of the lunarmagmaoceanhave been constrained by studies of isotopes of hafnium, tungsten, samarium, and neodymium.
From
Wikipedia
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For example, the giant impact hypothesis implies that a surfacemagmaoceanwould have formed following the impact.
From
Wikipedia
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They have been radiometrically dated as forming 4.4 billion years ago, and may represent plagioclase cumulates of the lunarmagmaocean.
From
Wikipedia
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As crystallization of the lunarmagmaoceanproceeded, minerals such as olivine and pyroxene would have precipitated and sank to form the lunar mantle.
From
Wikipedia
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Different scenarios have been proposed for the iron enrichment: iron could be leaking from the core, have accumulated over past subduction, or be remnants of a basalmagmaocean.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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