Cosmogenic 21Ne concentrations and exposure ages of summit bedrocks in the Grove Mountains, Antarctica
Various sources of 21 Ne and 22 Ne exist in surface rocks: cosmogenic, in situ nucleogenic from internal U and Th, trapped crustal nucleogenic and trapped atmospheric. This paper reports the first measurement, in China, of cosmogenic 21 Ne and 22 Ne in surface bedrocks. We developed a unique sample...
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| Veröffentlicht in: | Science China. Earth sciences 2010-04, Vol.53 (4), p.518-521 |
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| creator | Kong, Ping Ding, Lin Lai, QingZhou Huang, FeiXin |
| description | Various sources of
21
Ne and
22
Ne exist in surface rocks: cosmogenic,
in situ
nucleogenic from internal U and Th, trapped crustal nucleogenic and trapped atmospheric. This paper reports the first measurement, in China, of cosmogenic
21
Ne and
22
Ne in surface bedrocks. We developed a unique sample pre-treatment procedure that effectively removed inclusions inside quartz grains, and thus maximally reduced nucleogenic contributions of
21
Ne and
22
Ne. Step-heating experiments show that concentrations of cosmogenic
21
Ne and
22
Ne in summit bedrock samples R9202 and R9203 from Grove Mountains, Antarctica, are (3.83±0.87)×10
8
and (5.2280.51)×10
8
atoms/g, respectively. The corresponding minimum exposure ages are 2.2±0.5 and 3.0±0.3 Ma. This indicates that the ice sheet in East Antarctica was uncovered the crest of Mount Harding, a typical nunatak in Grove Mountains, since at least mid-Pliocene. |
| doi_str_mv | 10.1007/s11430-010-0015-1 |
| format | Article |
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21
Ne and
22
Ne exist in surface rocks: cosmogenic,
in situ
nucleogenic from internal U and Th, trapped crustal nucleogenic and trapped atmospheric. This paper reports the first measurement, in China, of cosmogenic
21
Ne and
22
Ne in surface bedrocks. We developed a unique sample pre-treatment procedure that effectively removed inclusions inside quartz grains, and thus maximally reduced nucleogenic contributions of
21
Ne and
22
Ne. Step-heating experiments show that concentrations of cosmogenic
21
Ne and
22
Ne in summit bedrock samples R9202 and R9203 from Grove Mountains, Antarctica, are (3.83±0.87)×10
8
and (5.2280.51)×10
8
atoms/g, respectively. The corresponding minimum exposure ages are 2.2±0.5 and 3.0±0.3 Ma. This indicates that the ice sheet in East Antarctica was uncovered the crest of Mount Harding, a typical nunatak in Grove Mountains, since at least mid-Pliocene.</description><identifier>ISSN: 1674-7313</identifier><identifier>EISSN: 1869-1897</identifier><identifier>DOI: 10.1007/s11430-010-0015-1</identifier><language>eng</language><publisher>Heidelberg: SP Science China Press</publisher><subject>Earth and Environmental Science ; Earth Sciences ; Experiments ; Ice ; Measurement techniques ; Mountains ; Pliocene ; Quartz ; Research Paper</subject><ispartof>Science China. Earth sciences, 2010-04, Vol.53 (4), p.518-521</ispartof><rights>Science China Press and Springer-Verlag Berlin Heidelberg 2010</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c1601-5ca3906e2036d1f03b703e4681b1a8cc1aa6f213cb23104066b6b0e7119f7b353</citedby><cites>FETCH-LOGICAL-c1601-5ca3906e2036d1f03b703e4681b1a8cc1aa6f213cb23104066b6b0e7119f7b353</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11430-010-0015-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11430-010-0015-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Kong, Ping</creatorcontrib><creatorcontrib>Ding, Lin</creatorcontrib><creatorcontrib>Lai, QingZhou</creatorcontrib><creatorcontrib>Huang, FeiXin</creatorcontrib><title>Cosmogenic 21Ne concentrations and exposure ages of summit bedrocks in the Grove Mountains, Antarctica</title><title>Science China. Earth sciences</title><addtitle>Sci. China Earth Sci</addtitle><description>Various sources of
21
Ne and
22
Ne exist in surface rocks: cosmogenic,
in situ
nucleogenic from internal U and Th, trapped crustal nucleogenic and trapped atmospheric. This paper reports the first measurement, in China, of cosmogenic
21
Ne and
22
Ne in surface bedrocks. We developed a unique sample pre-treatment procedure that effectively removed inclusions inside quartz grains, and thus maximally reduced nucleogenic contributions of
21
Ne and
22
Ne. Step-heating experiments show that concentrations of cosmogenic
21
Ne and
22
Ne in summit bedrock samples R9202 and R9203 from Grove Mountains, Antarctica, are (3.83±0.87)×10
8
and (5.2280.51)×10
8
atoms/g, respectively. The corresponding minimum exposure ages are 2.2±0.5 and 3.0±0.3 Ma. This indicates that the ice sheet in East Antarctica was uncovered the crest of Mount Harding, a typical nunatak in Grove Mountains, since at least mid-Pliocene.</description><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Experiments</subject><subject>Ice</subject><subject>Measurement techniques</subject><subject>Mountains</subject><subject>Pliocene</subject><subject>Quartz</subject><subject>Research Paper</subject><issn>1674-7313</issn><issn>1869-1897</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kEFLAzEQhYMoWGp_gLfg2dWZzTbZPZaiVah60XPIprN1q5vUZFf035uygicHhhmY997Ax9g5whUCqOuIWAjIAFMDzjM8YhMsZZVhWanjtEtVZEqgOGWzGHeQSqRLriasWfrY-S251vIcH4lb7yy5Ppi-9S5y4zacvvY-DoG42VLkvuFx6Lq25zVtgrdvkbeO96_EV8F_En_wg-tN6-IlX6Ql2L615oydNOY90ux3TtnL7c3z8i5bP63ul4t1ZlECZnNrRAWSchBygw2IWoGgQpZYoymtRWNkk6OwdS4QCpCyljWQQqwaVYu5mLKLMXcf_MdAsdc7PwSXXuocKlUqVRZJhKPIBh9joEbvQ9uZ8K0R9AGoHoHqBFQfgGpMnnz0xKR1Wwp_wf-bfgAfuXdb</recordid><startdate>20100401</startdate><enddate>20100401</enddate><creator>Kong, Ping</creator><creator>Ding, Lin</creator><creator>Lai, QingZhou</creator><creator>Huang, FeiXin</creator><general>SP Science China Press</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TG</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>L.G</scope><scope>M2P</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope></search><sort><creationdate>20100401</creationdate><title>Cosmogenic 21Ne concentrations and exposure ages of summit bedrocks in the Grove Mountains, Antarctica</title><author>Kong, Ping ; Ding, Lin ; Lai, QingZhou ; Huang, FeiXin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1601-5ca3906e2036d1f03b703e4681b1a8cc1aa6f213cb23104066b6b0e7119f7b353</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Experiments</topic><topic>Ice</topic><topic>Measurement techniques</topic><topic>Mountains</topic><topic>Pliocene</topic><topic>Quartz</topic><topic>Research Paper</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kong, Ping</creatorcontrib><creatorcontrib>Ding, Lin</creatorcontrib><creatorcontrib>Lai, QingZhou</creatorcontrib><creatorcontrib>Huang, FeiXin</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ProQuest Central Student</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Science Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><jtitle>Science China. Earth sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kong, Ping</au><au>Ding, Lin</au><au>Lai, QingZhou</au><au>Huang, FeiXin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cosmogenic 21Ne concentrations and exposure ages of summit bedrocks in the Grove Mountains, Antarctica</atitle><jtitle>Science China. Earth sciences</jtitle><stitle>Sci. China Earth Sci</stitle><date>2010-04-01</date><risdate>2010</risdate><volume>53</volume><issue>4</issue><spage>518</spage><epage>521</epage><pages>518-521</pages><issn>1674-7313</issn><eissn>1869-1897</eissn><abstract>Various sources of
21
Ne and
22
Ne exist in surface rocks: cosmogenic,
in situ
nucleogenic from internal U and Th, trapped crustal nucleogenic and trapped atmospheric. This paper reports the first measurement, in China, of cosmogenic
21
Ne and
22
Ne in surface bedrocks. We developed a unique sample pre-treatment procedure that effectively removed inclusions inside quartz grains, and thus maximally reduced nucleogenic contributions of
21
Ne and
22
Ne. Step-heating experiments show that concentrations of cosmogenic
21
Ne and
22
Ne in summit bedrock samples R9202 and R9203 from Grove Mountains, Antarctica, are (3.83±0.87)×10
8
and (5.2280.51)×10
8
atoms/g, respectively. The corresponding minimum exposure ages are 2.2±0.5 and 3.0±0.3 Ma. This indicates that the ice sheet in East Antarctica was uncovered the crest of Mount Harding, a typical nunatak in Grove Mountains, since at least mid-Pliocene.</abstract><cop>Heidelberg</cop><pub>SP Science China Press</pub><doi>10.1007/s11430-010-0015-1</doi><tpages>4</tpages></addata></record> |
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| ispartof | Science China. Earth sciences, 2010-04, Vol.53 (4), p.518-521 |
| issn | 1674-7313 1869-1897 |
| language | eng |
| recordid | cdi_proquest_journals_209787784 |
| source | SpringerNature Journals; Alma/SFX Local Collection |
| subjects | Earth and Environmental Science Earth Sciences Experiments Ice Measurement techniques Mountains Pliocene Quartz Research Paper |
| title | Cosmogenic 21Ne concentrations and exposure ages of summit bedrocks in the Grove Mountains, Antarctica |
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