Redox preconditioning deep cratonic lithosphere for kimberlite genesis - evidence from the central Slave Craton.
Identifieur interne : 001071 ( PubMed/Corpus ); précédent : 001070; suivant : 001072Redox preconditioning deep cratonic lithosphere for kimberlite genesis - evidence from the central Slave Craton.
Auteurs : G M Yaxley ; A J Berry ; A. Rosenthal ; A B Woodland ; D. PatersonSource :
- Scientific reports [ 2045-2322 ] ; 2017.
Abstract
We present the first oxygen fugacity (fO2) profile through the cratonic lithospheric mantle under the Panda kimberlite (Ekati Diamond Mine) in the Lac de Gras kimberlite field, central Slave Craton, northern Canada. Combining this data with new and existing data from garnet peridotite xenoliths from an almost coeval kimberlite (A154-N) at the nearby Diavik Diamond Mine demonstrates that the oxygen fugacity of the Slave cratonic mantle varies by several orders of magnitude as a function of depth and over short lateral distances. The lower part of the diamond-bearing Slave lithosphere (>120-130 km deep) has been oxidized by up to 4 log units in fO2, and this is clearly linked to metasomatic enrichment. Such coupled enrichment and oxidation was likely caused by infiltrating carbonate-bearing, hydrous, silicate melts in the presence of diamond, a process proposed to be critical for "pre-conditioning" deep lithospheric mantle and rendering it suitable for later generation of kimberlites and other SiO2-undersaturated magmas.
DOI: 10.1038/s41598-017-00049-3
PubMed: 28184036
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Redox preconditioning deep cratonic lithosphere for kimberlite genesis - evidence from the central Slave Craton.</title><author><name sortKey="Yaxley, G M" sort="Yaxley, G M" uniqKey="Yaxley G" first="G M" last="Yaxley">G M Yaxley</name><affiliation><nlm:affiliation>Research School of Earth Sciences, The Australian National University, Canberra, ACT, 2601, Australia. greg.yaxley@anu.edu.au.</nlm:affiliation></affiliation></author><author><name sortKey="Berry, A J" sort="Berry, A J" uniqKey="Berry A" first="A J" last="Berry">A J Berry</name><affiliation><nlm:affiliation>Research School of Earth Sciences, The Australian National University, Canberra, ACT, 2601, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Rosenthal, A" sort="Rosenthal, A" uniqKey="Rosenthal A" first="A" last="Rosenthal">A. Rosenthal</name><affiliation><nlm:affiliation>Bayerisches Geoinstitut, Universität Bayreuth, 95440, Bayreuth, Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Woodland, A B" sort="Woodland, A B" uniqKey="Woodland A" first="A B" last="Woodland">A B Woodland</name><affiliation><nlm:affiliation>Institut für Geowissenschaften, Goethe Universität, 60438, Frankfurt am Main, Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Paterson, D" sort="Paterson, D" uniqKey="Paterson D" first="D" last="Paterson">D. Paterson</name><affiliation><nlm:affiliation>Australian Synchrotron, Clayton, Victoria, 3168, Australia.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2017">2017</date><idno type="RBID">pubmed:28184036</idno><idno type="pmid">28184036</idno><idno type="doi">10.1038/s41598-017-00049-3</idno><idno type="wicri:Area/PubMed/Corpus">001071</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">001071</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Redox preconditioning deep cratonic lithosphere for kimberlite genesis - evidence from the central Slave Craton.</title><author><name sortKey="Yaxley, G M" sort="Yaxley, G M" uniqKey="Yaxley G" first="G M" last="Yaxley">G M Yaxley</name><affiliation><nlm:affiliation>Research School of Earth Sciences, The Australian National University, Canberra, ACT, 2601, Australia. greg.yaxley@anu.edu.au.</nlm:affiliation></affiliation></author><author><name sortKey="Berry, A J" sort="Berry, A J" uniqKey="Berry A" first="A J" last="Berry">A J Berry</name><affiliation><nlm:affiliation>Research School of Earth Sciences, The Australian National University, Canberra, ACT, 2601, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Rosenthal, A" sort="Rosenthal, A" uniqKey="Rosenthal A" first="A" last="Rosenthal">A. Rosenthal</name><affiliation><nlm:affiliation>Bayerisches Geoinstitut, Universität Bayreuth, 95440, Bayreuth, Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Woodland, A B" sort="Woodland, A B" uniqKey="Woodland A" first="A B" last="Woodland">A B Woodland</name><affiliation><nlm:affiliation>Institut für Geowissenschaften, Goethe Universität, 60438, Frankfurt am Main, Germany.</nlm:affiliation></affiliation></author><author><name sortKey="Paterson, D" sort="Paterson, D" uniqKey="Paterson D" first="D" last="Paterson">D. Paterson</name><affiliation><nlm:affiliation>Australian Synchrotron, Clayton, Victoria, 3168, Australia.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Scientific reports</title><idno type="eISSN">2045-2322</idno><imprint><date when="2017" type="published">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We present the first oxygen fugacity (fO2) profile through the cratonic lithospheric mantle under the Panda kimberlite (Ekati Diamond Mine) in the Lac de Gras kimberlite field, central Slave Craton, northern Canada. Combining this data with new and existing data from garnet peridotite xenoliths from an almost coeval kimberlite (A154-N) at the nearby Diavik Diamond Mine demonstrates that the oxygen fugacity of the Slave cratonic mantle varies by several orders of magnitude as a function of depth and over short lateral distances. The lower part of the diamond-bearing Slave lithosphere (>120-130 km deep) has been oxidized by up to 4 log units in fO2, and this is clearly linked to metasomatic enrichment. Such coupled enrichment and oxidation was likely caused by infiltrating carbonate-bearing, hydrous, silicate melts in the presence of diamond, a process proposed to be critical for "pre-conditioning" deep lithospheric mantle and rendering it suitable for later generation of kimberlites and other SiO2-undersaturated magmas.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">28184036</PMID><DateCreated><Year>2017</Year><Month>02</Month><Day>10</Day></DateCreated><DateCompleted><Year>2017</Year><Month>09</Month><Day>15</Day></DateCompleted><DateRevised><Year>2017</Year><Month>09</Month><Day>15</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">2045-2322</ISSN><JournalIssue CitedMedium="Internet"><Volume>7</Volume><Issue>1</Issue><PubDate><Year>2017</Year><Month>02</Month><Day>14</Day></PubDate></JournalIssue><Title>Scientific reports</Title><ISOAbbreviation>Sci Rep</ISOAbbreviation></Journal><ArticleTitle>Redox preconditioning deep cratonic lithosphere for kimberlite genesis - evidence from the central Slave Craton.</ArticleTitle><Pagination><MedlinePgn>30</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1038/s41598-017-00049-3</ELocationID><Abstract><AbstractText>We present the first oxygen fugacity (fO2) profile through the cratonic lithospheric mantle under the Panda kimberlite (Ekati Diamond Mine) in the Lac de Gras kimberlite field, central Slave Craton, northern Canada. Combining this data with new and existing data from garnet peridotite xenoliths from an almost coeval kimberlite (A154-N) at the nearby Diavik Diamond Mine demonstrates that the oxygen fugacity of the Slave cratonic mantle varies by several orders of magnitude as a function of depth and over short lateral distances. The lower part of the diamond-bearing Slave lithosphere (>120-130 km deep) has been oxidized by up to 4 log units in fO2, and this is clearly linked to metasomatic enrichment. Such coupled enrichment and oxidation was likely caused by infiltrating carbonate-bearing, hydrous, silicate melts in the presence of diamond, a process proposed to be critical for "pre-conditioning" deep lithospheric mantle and rendering it suitable for later generation of kimberlites and other SiO2-undersaturated magmas.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Yaxley</LastName><ForeName>G M</ForeName><Initials>GM</Initials><Identifier Source="ORCID">0000-0003-0445-8812</Identifier><AffiliationInfo><Affiliation>Research School of Earth Sciences, The Australian National University, Canberra, ACT, 2601, Australia. greg.yaxley@anu.edu.au.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Berry</LastName><ForeName>A J</ForeName><Initials>AJ</Initials><AffiliationInfo><Affiliation>Research School of Earth Sciences, The Australian National University, Canberra, ACT, 2601, Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Rosenthal</LastName><ForeName>A</ForeName><Initials>A</Initials><Identifier Source="ORCID">0000-0003-3912-4046</Identifier><AffiliationInfo><Affiliation>Bayerisches Geoinstitut, Universität Bayreuth, 95440, Bayreuth, Germany.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Institute of Petrology and Structural Geology, Charles University in Prague, Albertov 6, 128 43, Praha 2, Czech Republic.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Laboratoire Magmas et Volcans, Université Blaise Pascal, CNRS IRD-OPGC, Campus Universitaire des Cézeaux, 6 Avenue Blaise Pascal, 63178, Aubière Cedex, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Woodland</LastName><ForeName>A B</ForeName><Initials>AB</Initials><AffiliationInfo><Affiliation>Institut für Geowissenschaften, Goethe Universität, 60438, Frankfurt am Main, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Paterson</LastName><ForeName>D</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Australian Synchrotron, Clayton, Victoria, 3168, Australia.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2017</Year><Month>02</Month><Day>14</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Sci Rep</MedlineTA><NlmUniqueID>101563288</NlmUniqueID><ISSNLinking>2045-2322</ISSNLinking></MedlineJournalInfo><CommentsCorrectionsList><CommentsCorrections RefType="Cites"><RefSource>Nature. 2013 Jan 3;493(7430):84-8</RefSource><PMID Version="1">23282365</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Sci Rep. 2014 Aug 18;4:6099</RefSource><PMID Version="1">25130275</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Science. 1993 Jul 2;261(5117):66-8</RefSource><PMID Version="1">17750546</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Nature. 2015 Aug 20;524(7565):339-42</RefSource><PMID Version="1">26289205</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Nature. 2010 Sep 23;467(7314):448-51</RefSource><PMID Version="1">20865000</PMID></CommentsCorrections></CommentsCorrectionsList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2016</Year><Month>09</Month><Day>12</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2016</Year><Month>12</Month><Day>19</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2017</Year><Month>2</Month><Day>11</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2017</Year><Month>2</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2017</Year><Month>2</Month><Day>12</Day><Hour>6</Hour><Minute>1</Minute></PubMedPubDate></History><PublicationStatus>epublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">28184036</ArticleId><ArticleId IdType="doi">10.1038/s41598-017-00049-3</ArticleId><ArticleId IdType="pii">10.1038/s41598-017-00049-3</ArticleId><ArticleId IdType="pmc">PMC5428371</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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