Evidence from detrital zircons for the existence of continental crust and oceans on the Earth 4.4 Gyr ago
No crustal rocks are known to have survived since the time of the intense meteor bombardment that affected Earth between its formation about 4,550 Myr ago and 4,030 Myr, the age of the oldest known components in the Acasta Gneiss of northwestern Canada. But evidence of an even older crust is provide...
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| Veröffentlicht in: | Nature (London) 2001-01, Vol.409 (6817), p.175-178 |
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| creator | Valley, John W Graham, Colin M Wilde, Simon A Peck, William H |
| description | No crustal rocks are known to have survived since the time of the intense
meteor bombardment that affected Earth between its formation
about 4,550 Myr ago and 4,030 Myr, the age of the oldest known
components in the Acasta Gneiss of northwestern Canada. But
evidence of an even older crust is provided by detrital zircons in metamorphosed
sediments at Mt Narryer and Jack Hills
in the Narryer Gneiss Terrane, Yilgarn Craton, Western Australia,
where grains as old as ∼4,276 Myr have been found.
Here we report, based on a detailed micro-analytical study of Jack Hills zircons, the discovery of a detrital zircon with an age as old as 4,404
± 8 Myr-about 130 million years older than any previously
identified on Earth. We found that the zircon is zoned with respect to rare
earth elements and oxygen isotope ratios (δ18O values
from 7.4 to 5.0‰), indicating that it formed from an evolving magmatic
source. The evolved chemistry, high δ18O value and micro-inclusions
of SiO2 are consistent with growth from a granitic melt
with a δ18O value from 8.5 to 9.5‰. Magmatic oxygen
isotope ratios in this range point toward the involvement of supracrustal
material that has undergone low-temperature interaction with a liquid hydrosphere.
This zircon thus represents the earliest evidence for continental crust and
oceans on the Earth. |
| doi_str_mv | 10.1038/35051550 |
| format | Article |
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meteor bombardment that affected Earth between its formation
about 4,550 Myr ago and 4,030 Myr, the age of the oldest known
components in the Acasta Gneiss of northwestern Canada. But
evidence of an even older crust is provided by detrital zircons in metamorphosed
sediments at Mt Narryer and Jack Hills
in the Narryer Gneiss Terrane, Yilgarn Craton, Western Australia,
where grains as old as ∼4,276 Myr have been found.
Here we report, based on a detailed micro-analytical study of Jack Hills zircons, the discovery of a detrital zircon with an age as old as 4,404
± 8 Myr-about 130 million years older than any previously
identified on Earth. We found that the zircon is zoned with respect to rare
earth elements and oxygen isotope ratios (δ18O values
from 7.4 to 5.0‰), indicating that it formed from an evolving magmatic
source. The evolved chemistry, high δ18O value and micro-inclusions
of SiO2 are consistent with growth from a granitic melt
with a δ18O value from 8.5 to 9.5‰. Magmatic oxygen
isotope ratios in this range point toward the involvement of supracrustal
material that has undergone low-temperature interaction with a liquid hydrosphere.
This zircon thus represents the earliest evidence for continental crust and
oceans on the Earth.</description><identifier>ISSN: 0028-0836</identifier><identifier>EISSN: 1476-4687</identifier><identifier>DOI: 10.1038/35051550</identifier><identifier>PMID: 11196637</identifier><identifier>CODEN: NATUAS</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>Age ; Continental crust ; Cracks ; Earth ; Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Geochronology ; Geology ; Geophysics ; Hills ; Humanities and Social Sciences ; Hydrosphere ; Isotope geochemistry. Geochronology ; letter ; Low temperature ; Marine ; multidisciplinary ; Oceans ; Oxygen isotopes ; Rare earth elements ; Science ; Science (multidisciplinary) ; Stratigraphy</subject><ispartof>Nature (London), 2001-01, Vol.409 (6817), p.175-178</ispartof><rights>Macmillan Magazines Ltd. 2001</rights><rights>2001 INIST-CNRS</rights><rights>COPYRIGHT 2001 Nature Publishing Group</rights><rights>Copyright Nature Publishing Group Jan 11, 2001</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a716t-7c13c82944197c587d6377279e729662b634e7ee28bf362de543f306a1cf53083</citedby><cites>FETCH-LOGICAL-a716t-7c13c82944197c587d6377279e729662b634e7ee28bf362de543f306a1cf53083</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1038/35051550$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1038/35051550$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,2727,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=894326$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11196637$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Valley, John W</creatorcontrib><creatorcontrib>Graham, Colin M</creatorcontrib><creatorcontrib>Wilde, Simon A</creatorcontrib><creatorcontrib>Peck, William H</creatorcontrib><title>Evidence from detrital zircons for the existence of continental crust and oceans on the Earth 4.4 Gyr ago</title><title>Nature (London)</title><addtitle>Nature</addtitle><addtitle>Nature</addtitle><description>No crustal rocks are known to have survived since the time of the intense
meteor bombardment that affected Earth between its formation
about 4,550 Myr ago and 4,030 Myr, the age of the oldest known
components in the Acasta Gneiss of northwestern Canada. But
evidence of an even older crust is provided by detrital zircons in metamorphosed
sediments at Mt Narryer and Jack Hills
in the Narryer Gneiss Terrane, Yilgarn Craton, Western Australia,
where grains as old as ∼4,276 Myr have been found.
Here we report, based on a detailed micro-analytical study of Jack Hills zircons, the discovery of a detrital zircon with an age as old as 4,404
± 8 Myr-about 130 million years older than any previously
identified on Earth. We found that the zircon is zoned with respect to rare
earth elements and oxygen isotope ratios (δ18O values
from 7.4 to 5.0‰), indicating that it formed from an evolving magmatic
source. The evolved chemistry, high δ18O value and micro-inclusions
of SiO2 are consistent with growth from a granitic melt
with a δ18O value from 8.5 to 9.5‰. Magmatic oxygen
isotope ratios in this range point toward the involvement of supracrustal
material that has undergone low-temperature interaction with a liquid hydrosphere.
This zircon thus represents the earliest evidence for continental crust and
oceans on the Earth.</description><subject>Age</subject><subject>Continental crust</subject><subject>Cracks</subject><subject>Earth</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Geochronology</subject><subject>Geology</subject><subject>Geophysics</subject><subject>Hills</subject><subject>Humanities and Social Sciences</subject><subject>Hydrosphere</subject><subject>Isotope geochemistry. Geochronology</subject><subject>letter</subject><subject>Low temperature</subject><subject>Marine</subject><subject>multidisciplinary</subject><subject>Oceans</subject><subject>Oxygen isotopes</subject><subject>Rare earth elements</subject><subject>Science</subject><subject>Science (multidisciplinary)</subject><subject>Stratigraphy</subject><issn>0028-0836</issn><issn>1476-4687</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNqF0kFrFDEUAOBBFLtWwV8gg4IoMmuSySSZ47KstVAUtOJxyGZepqmzyTbJSOvJq3_TX2K2u-660lJyCCTfe8lLXpY9xWiMUSnelhWqcFWhe9kIU84KygS_n40QIqJAomQH2aMQzhFKitOH2QHGuGas5KPs2-y7acEqyLV3i7yF6E2Uff7DeOVsyLXzeTyDHC5NiNfO6TztRGPBrqDyQ4i5tG3uFMgU4ex1wEz6eJbTMf3989fRlc9l5x5nD7TsAzzZzIfZl3ez0-n74uTj0fF0clJIjlksuMKlEqSmFNdcVYK36aac8Bo4Sbcmc1ZS4ABEzHXJSAsVLXWJmMRKV2Uq9zB7uc679O5igBCbhQkK-l5acENoOKoErit8JyQcEcZrfifEnFOOKUvw-X_w3A3epmobgmiFMKtIQsUadbKHxljtopeqAwte9s6CNml5goVAFDHKd0n3vFqai-ZfNL4BpdHCwqgbs77eC1h9KlzGTg4hNMefP-3bN7fbyenX6Yd9_WqtlXcheNDN0puF9FcNRs2qX5u__Zros817DfMFtDu4adAEXmyADEr22kurTNg6UdOSsF0tIW3YDvzu2W8_0so4eNim2oI_H6YB6w</recordid><startdate>20010111</startdate><enddate>20010111</enddate><creator>Valley, John W</creator><creator>Graham, Colin M</creator><creator>Wilde, Simon A</creator><creator>Peck, William H</creator><general>Nature Publishing Group UK</general><general>Nature Publishing</general><general>Nature Publishing Group</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>ATWCN</scope><scope>3V.</scope><scope>7QG</scope><scope>7QL</scope><scope>7QP</scope><scope>7QR</scope><scope>7RV</scope><scope>7SN</scope><scope>7SS</scope><scope>7ST</scope><scope>7T5</scope><scope>7TG</scope><scope>7TK</scope><scope>7TM</scope><scope>7TO</scope><scope>7U9</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>88G</scope><scope>88I</scope><scope>8AF</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>H94</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KB.</scope><scope>KB0</scope><scope>KL.</scope><scope>L6V</scope><scope>LK8</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>M2M</scope><scope>M2O</scope><scope>M2P</scope><scope>M7N</scope><scope>M7P</scope><scope>M7S</scope><scope>MBDVC</scope><scope>NAPCQ</scope><scope>P5Z</scope><scope>P62</scope><scope>P64</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PSYQQ</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>R05</scope><scope>RC3</scope><scope>S0X</scope><scope>SOI</scope><scope>7TN</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope><scope>H8D</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>20010111</creationdate><title>Evidence from detrital zircons for the existence of continental crust and oceans on the Earth 4.4 Gyr ago</title><author>Valley, John W ; Graham, Colin M ; Wilde, Simon A ; Peck, William H</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a716t-7c13c82944197c587d6377279e729662b634e7ee28bf362de543f306a1cf53083</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Age</topic><topic>Continental crust</topic><topic>Cracks</topic><topic>Earth</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>Geochronology</topic><topic>Geology</topic><topic>Geophysics</topic><topic>Hills</topic><topic>Humanities and Social Sciences</topic><topic>Hydrosphere</topic><topic>Isotope geochemistry. 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Academic</collection><jtitle>Nature (London)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Valley, John W</au><au>Graham, Colin M</au><au>Wilde, Simon A</au><au>Peck, William H</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evidence from detrital zircons for the existence of continental crust and oceans on the Earth 4.4 Gyr ago</atitle><jtitle>Nature (London)</jtitle><stitle>Nature</stitle><addtitle>Nature</addtitle><date>2001-01-11</date><risdate>2001</risdate><volume>409</volume><issue>6817</issue><spage>175</spage><epage>178</epage><pages>175-178</pages><issn>0028-0836</issn><eissn>1476-4687</eissn><coden>NATUAS</coden><abstract>No crustal rocks are known to have survived since the time of the intense
meteor bombardment that affected Earth between its formation
about 4,550 Myr ago and 4,030 Myr, the age of the oldest known
components in the Acasta Gneiss of northwestern Canada. But
evidence of an even older crust is provided by detrital zircons in metamorphosed
sediments at Mt Narryer and Jack Hills
in the Narryer Gneiss Terrane, Yilgarn Craton, Western Australia,
where grains as old as ∼4,276 Myr have been found.
Here we report, based on a detailed micro-analytical study of Jack Hills zircons, the discovery of a detrital zircon with an age as old as 4,404
± 8 Myr-about 130 million years older than any previously
identified on Earth. We found that the zircon is zoned with respect to rare
earth elements and oxygen isotope ratios (δ18O values
from 7.4 to 5.0‰), indicating that it formed from an evolving magmatic
source. The evolved chemistry, high δ18O value and micro-inclusions
of SiO2 are consistent with growth from a granitic melt
with a δ18O value from 8.5 to 9.5‰. Magmatic oxygen
isotope ratios in this range point toward the involvement of supracrustal
material that has undergone low-temperature interaction with a liquid hydrosphere.
This zircon thus represents the earliest evidence for continental crust and
oceans on the Earth.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>11196637</pmid><doi>10.1038/35051550</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0028-0836 |
| ispartof | Nature (London), 2001-01, Vol.409 (6817), p.175-178 |
| issn | 0028-0836 1476-4687 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_70581951 |
| source | Nature; SpringerLink Journals - AutoHoldings |
| subjects | Age Continental crust Cracks Earth Earth sciences Earth, ocean, space Exact sciences and technology Geochronology Geology Geophysics Hills Humanities and Social Sciences Hydrosphere Isotope geochemistry. Geochronology letter Low temperature Marine multidisciplinary Oceans Oxygen isotopes Rare earth elements Science Science (multidisciplinary) Stratigraphy |
| title | Evidence from detrital zircons for the existence of continental crust and oceans on the Earth 4.4 Gyr ago |
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