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Article: Experimental approach to the direct interaction between the H2O-CO2 atmosphere and the crust on the earliest Earth: Implications for the early evolution of minerals and the proto-atmosphere
Title | Experimental approach to the direct interaction between the H2O-CO2 atmosphere and the crust on the earliest Earth: Implications for the early evolution of minerals and the proto-atmosphere |
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Authors | |
Keywords | Atmosphere Carbonates Hadean climate Phyllosilicates Rock interaction The earliest ocean |
Issue Date | 2018 |
Publisher | Frontiers Research Foundation. The Journal's web site is located at http://www.frontiersin.org/earth_science |
Citation | Frontiers in Earth Science, 2018, v. 6, p. article no. 180 How to Cite? |
Abstract | Batch experiments between solid materials including komatiite, peridotite and basalt with an H2O-CO2 atmosphere were performed at temperatures from 200°C to 500°C to simulate the interaction between the new rocky crust formed after the magma ocean stage and the concurrent proto-atmosphere of the early Earth. Electron microscopic observations show that clay mineral flakes were generated in all experiments. In komatiite/peridotite reaction systems, fibrous actinolite was generated in experiments conducted at higher temperatures (>400°C). Different carbonate species were produced in experiments conducted at temperatures no higher than 400°C. Formation of these carbonates and their diverse crystal habits may indicate varied extraction rates of calcium, magnesium and SiO2 from the original ultramafic rocks resulted from different experimental temperatures. Our results imply that clay minerals and carbonates could probably be formed extensively in the early Hadean by the intense interaction between the ultramafic rocky crust and the H2O-CO2 atmosphere before the formation of the earliest ocean. Rapid sequestration of the atmospheric CO2 caused by the massive precipitation of carbonates might have led to the rapid cooling of the Earth’s atmosphere and the formation of the earliest oceans. |
Persistent Identifier | http://hdl.handle.net/10722/274992 |
ISSN | 2023 Impact Factor: 2.0 2023 SCImago Journal Rankings: 0.691 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Hao, XL | - |
dc.contributor.author | Li, Y | - |
dc.date.accessioned | 2019-09-10T02:33:09Z | - |
dc.date.available | 2019-09-10T02:33:09Z | - |
dc.date.issued | 2018 | - |
dc.identifier.citation | Frontiers in Earth Science, 2018, v. 6, p. article no. 180 | - |
dc.identifier.issn | 2296-6463 | - |
dc.identifier.uri | http://hdl.handle.net/10722/274992 | - |
dc.description.abstract | Batch experiments between solid materials including komatiite, peridotite and basalt with an H2O-CO2 atmosphere were performed at temperatures from 200°C to 500°C to simulate the interaction between the new rocky crust formed after the magma ocean stage and the concurrent proto-atmosphere of the early Earth. Electron microscopic observations show that clay mineral flakes were generated in all experiments. In komatiite/peridotite reaction systems, fibrous actinolite was generated in experiments conducted at higher temperatures (>400°C). Different carbonate species were produced in experiments conducted at temperatures no higher than 400°C. Formation of these carbonates and their diverse crystal habits may indicate varied extraction rates of calcium, magnesium and SiO2 from the original ultramafic rocks resulted from different experimental temperatures. Our results imply that clay minerals and carbonates could probably be formed extensively in the early Hadean by the intense interaction between the ultramafic rocky crust and the H2O-CO2 atmosphere before the formation of the earliest ocean. Rapid sequestration of the atmospheric CO2 caused by the massive precipitation of carbonates might have led to the rapid cooling of the Earth’s atmosphere and the formation of the earliest oceans. | - |
dc.language | eng | - |
dc.publisher | Frontiers Research Foundation. The Journal's web site is located at http://www.frontiersin.org/earth_science | - |
dc.relation.ispartof | Frontiers in Earth Science | - |
dc.rights | This Document is Protected by copyright and was first published by Frontiers. All rights reserved. It is reproduced with permission. | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.subject | Atmosphere | - |
dc.subject | Carbonates | - |
dc.subject | Hadean climate | - |
dc.subject | Phyllosilicates | - |
dc.subject | Rock interaction | - |
dc.subject | The earliest ocean | - |
dc.title | Experimental approach to the direct interaction between the H2O-CO2 atmosphere and the crust on the earliest Earth: Implications for the early evolution of minerals and the proto-atmosphere | - |
dc.type | Article | - |
dc.identifier.email | Li, Y: yiliang@hku.hk | - |
dc.identifier.authority | Li, Y=rp01354 | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.3389/feart.2018.00180 | - |
dc.identifier.scopus | eid_2-s2.0-85057212927 | - |
dc.identifier.hkuros | 305106 | - |
dc.identifier.volume | 6 | - |
dc.identifier.spage | article no. 180 | - |
dc.identifier.epage | article no. 180 | - |
dc.identifier.isi | WOS:000454080600001 | - |
dc.publisher.place | Switzerland | - |
dc.identifier.issnl | 2296-6463 | - |