Supracrustal rock
Supracrustal rocks (supra (Latin for "above")) are rocks that were deposited on the existing basement rocks of the crust, hence the name. They may be further metamorphosed from both sedimentary and volcanic rocks. The Acasta orthogneisses of the Slave Craton, Canada, are regarded to be the oldest rocks on Earth, dated to 4.06 Ga, include protoliths such as TTGs, amphibolite, gabbro, granite, and diorite. It is possible that such early Hadean TTGs were a source of phosphorus for the first oceans and therefore contributed nutrients to the first abiogenic steps of life on Earth.
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Supracrustal rock
Supracrustal rocks (supra (Latin for "above")) are rocks that were deposited on the existing basement rocks of the crust, hence the name. They may be further metamorphosed from both sedimentary and volcanic rocks. The Acasta orthogneisses of the Slave Craton, Canada, are regarded to be the oldest rocks on Earth, dated to 4.06 Ga, include protoliths such as TTGs, amphibolite, gabbro, granite, and diorite. It is possible that such early Hadean TTGs were a source of phosphorus for the first oceans and therefore contributed nutrients to the first abiogenic steps of life on Earth.
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Der Sammelbegriff suprakrustal ...... und subvulkanischen Gesteine.
@de
Em geologia, rochas supracrust ...... de sedimentares ou vulcânicos.
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Supracrustal rocks (supra (Lat ...... crustals, dated at 3.8–3.7 Ga.
@en
Ytbergart, eller suprakrustalb ...... ter och sedimentära bergarter.
@sv
表壳岩(英語:Supracrustal rock)是在已有的地壳基岩上堆积而成的岩石。它们可由沉积岩和火成岩经历进一步变质作用。 包含了最古老的表壳岩,年龄在37至38亿年。
@zh
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987,024,102
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Der Sammelbegriff suprakrustal ...... steinsfolgen des Präkambriums.
@de
Em geologia, rochas supracrust ...... de sedimentares ou vulcânicos.
@pt
Supracrustal rocks (supra (Lat ...... ogenic steps of life on Earth.
@en
Ytbergart, eller suprakrustalb ...... ter och sedimentära bergarter.
@sv
表壳岩(英語:Supracrustal rock)是在已有的地壳基岩上堆积而成的岩石。它们可由沉积岩和火成岩经历进一步变质作用。 包含了最古老的表壳岩,年龄在37至38亿年。
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label
Rocha supracrustal
@pt
Supracrustal rock
@en
Suprakrustalbergarter
@sv
Suprakrustale Gesteine
@de
表壳岩
@zh