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    <title>Journal of Earth Science</title>
    <link>http://en.earth-science.net/</link>
    <description>Journal of Earth Science</description>
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    <dc:creator>xbb@cug.edu.cn</dc:creator>
    <dc:publisher>xbb@cug.edu.cn</dc:publisher>
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		<rdf:li rdf:resource="http://en.earth-science.net/article/id/344"/><rdf:li rdf:resource="http://en.earth-science.net/article/id/345"/><rdf:li rdf:resource="http://en.earth-science.net/article/id/346"/><rdf:li rdf:resource="http://en.earth-science.net/article/id/347"/><rdf:li rdf:resource="http://en.earth-science.net/article/id/348"/><rdf:li rdf:resource="http://en.earth-science.net/article/id/349"/><rdf:li rdf:resource="http://en.earth-science.net/article/id/350"/><rdf:li rdf:resource="http://en.earth-science.net/article/id/351"/><rdf:li rdf:resource="http://en.earth-science.net/article/id/352"/><rdf:li rdf:resource="http://en.earth-science.net/article/id/353"/><rdf:li rdf:resource="http://en.earth-science.net/article/id/354"/>		</rdf:Seq>
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    <item rdf:about="http://en.earth-science.net/article/id/344">
    <title><![CDATA[Sedimentation Geochemistry and Environmental Changes during the Late Pleistocene of Paleolake Qarhan in the Qaidam Basin]]></title>
    <link>http://en.earth-science.net/article/id/344</link>    <description>
		<![CDATA[
			常凤琴, 张虎才, 陈玥, 杨明生, 牛洁, 樊红芳, 雷国良, 张文翔, 类延斌, 杨伦庆
			&lt;br/&gt;&lt;p&gt;OnthebasisoftheanalysesofTOC,CaCO3,δ13Corg,δ18O,andδ13CoftheshellbarsectionintheQaidambasin,andcomparedwithgrainsizedata,theenvironmentalchangehistoryofthehighwaterlevelofpaleolakeQarhanwasreconstructedanditcouldbedividedintofivestages.From39.7to35.8kaBPwasthedevelopmentperiodofhighpaleolakelevel.From35.8to33.6kaBPand33.6to27.2kaBP,TOCandCaCO3contentsandδ18Ovalueswerehigh,whereas,δ13Corgvaluesandmediansizecontentwerelow,reflectingawarm-humidclimateandhighlakelevel.During27.2–22.3kaBPand22.3–17.5kaBP,bothtemperatureandthelakelevelwerelowerthanthoseinthepreviousstages,buttheclimatewasstillwarmerandmorehumidthanthatoftoday.Thelakeleveldecreasedbetween32.4and32.2kaBP,30.4and29.8kaBP,and28.4and27.2kaBP.Generally,theclimatewaswarmandhumidinQaidambasinandthehighlakelevelsustainedbetween39.7and17.5kaBP.Thelakeretreatedabruptlyat17.5kaBP,withaverystrongincreaseinevaporation,whichresultedinsaltformationandtheextinctionofCorbicula.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</description>
    <content:encoded>
		<![CDATA[
			常凤琴, 张虎才, 陈玥, 杨明生, 牛洁, 樊红芳, 雷国良, 张文翔, 类延斌, 杨伦庆
			&lt;br/&gt;&lt;p&gt;OnthebasisoftheanalysesofTOC,CaCO3,δ13Corg,δ18O,andδ13CoftheshellbarsectionintheQaidambasin,andcomparedwithgrainsizedata,theenvironmentalchangehistoryofthehighwaterlevelofpaleolakeQarhanwasreconstructedanditcouldbedividedintofivestages.From39.7to35.8kaBPwasthedevelopmentperiodofhighpaleolakelevel.From35.8to33.6kaBPand33.6to27.2kaBP,TOCandCaCO3contentsandδ18Ovalueswerehigh,whereas,δ13Corgvaluesandmediansizecontentwerelow,reflectingawarm-humidclimateandhighlakelevel.During27.2–22.3kaBPand22.3–17.5kaBP,bothtemperatureandthelakelevelwerelowerthanthoseinthepreviousstages,buttheclimatewasstillwarmerandmorehumidthanthatoftoday.Thelakeleveldecreasedbetween32.4and32.2kaBP,30.4and29.8kaBP,and28.4and27.2kaBP.Generally,theclimatewaswarmandhumidinQaidambasinandthehighlakelevelsustainedbetween39.7and17.5kaBP.Thelakeretreatedabruptlyat17.5kaBP,withaverystrongincreaseinevaporation,whichresultedinsaltformationandtheextinctionofCorbicula.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</content:encoded>
    <dc:title><![CDATA[Sedimentation Geochemistry and Environmental Changes during the Late Pleistocene of Paleolake Qarhan in the Qaidam Basin]]></dc:title>
    <dc:creator><![CDATA[常凤琴, 张虎才, 陈玥, 杨明生, 牛洁, 樊红芳, 雷国良, 张文翔, 类延斌, 杨伦庆]]></dc:creator>
    <dc:date>2018-07-15</dc:date>
    <dc:rights>Personal use only, all commercial or other reuse prohibited</dc:rights>
    <dc:source>Journal of Earth Science. 2008 19(1): .</dc:source>
    <dc:type>article</dc:type>
    <dc:identifier>doi:</dc:identifier>
    <prism:doi></prism:doi>
    <prism:publicationName>Journal of Earth Science</prism:publicationName>
    <prism:volume>19</prism:volume>
    <prism:number>1</prism:number>
    <prism:publicationDate>2018-07-15</prism:publicationDate>
	<prism:url>http://en.earth-science.net/article/id/344</prism:url>	<prism:startingPage></prism:startingPage>
  </item>
    <item rdf:about="http://en.earth-science.net/article/id/345">
    <title><![CDATA[Evolution of Carbon Isotope Composition in Potential Global Stratotype Section and Point at Luoyixi, South China, for the Base of the Unnamed Global Seventh Stage of Cambrian System]]></title>
    <link>http://en.earth-science.net/article/id/345</link>    <description>
		<![CDATA[
			左景勋, 彭善池, 朱学剑, 祁玉平, 林焕令, 杨显峰
			&lt;br/&gt;&lt;p&gt;ThisworkdealswiththeevolutionofcarbonisotopecompositionintheLuoyixi(罗依溪)Section,acandidateoftheGlobalStandardStratotype-sectionandPoint(GSSP),definingthebaseoftheas-yet-undefinedseventhstageofCambrianSystematthefirstappearanceofthecosmopolitanagnostoidLejopygelaevigata.ThislevelisfavoredinavoteofInternationalSubcommissiononCambrianStratigraphy(ISCS)asthebiohorizonfordefiningthebaseofaglobalstage.Twohundredandsixty-foursamplesforcarbonandoxygenisotopeanalysishavebeencollectedfromthecarbonatesuccessionsatanintervalof0.25to0.5minthissection.Resultsofthecarbonisotopedataexhibitaremarkabledisciplinariantrend.ThepatternofthecarbonisotopeevolutionisgentlyundulantwitharelativelylongperiodduringtheunderlyingDrumianStage,andthenthevaluesofδ13Cfluctuatesharplywithashortperiodinprovisionalseventhstage.Theonsetofsharpfluctuationintheδ13CvaluesbeginsattheproposedGSSPlevel,definingthebaseoftheglobalseventhstage,whereδ13Cvalueschangefromagentletrendtoasharptrend.Distinctcovariant-relationshipsamongδ13C,δ18O,andsealevelfluctuationssuggestthatawarmingchangeinpaleoclimatetookplaceduringtheearlyglobalseventhstage,whichledtoapositiveshiftinδ13Cvalues.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</description>
    <content:encoded>
		<![CDATA[
			左景勋, 彭善池, 朱学剑, 祁玉平, 林焕令, 杨显峰
			&lt;br/&gt;&lt;p&gt;ThisworkdealswiththeevolutionofcarbonisotopecompositionintheLuoyixi(罗依溪)Section,acandidateoftheGlobalStandardStratotype-sectionandPoint(GSSP),definingthebaseoftheas-yet-undefinedseventhstageofCambrianSystematthefirstappearanceofthecosmopolitanagnostoidLejopygelaevigata.ThislevelisfavoredinavoteofInternationalSubcommissiononCambrianStratigraphy(ISCS)asthebiohorizonfordefiningthebaseofaglobalstage.Twohundredandsixty-foursamplesforcarbonandoxygenisotopeanalysishavebeencollectedfromthecarbonatesuccessionsatanintervalof0.25to0.5minthissection.Resultsofthecarbonisotopedataexhibitaremarkabledisciplinariantrend.ThepatternofthecarbonisotopeevolutionisgentlyundulantwitharelativelylongperiodduringtheunderlyingDrumianStage,andthenthevaluesofδ13Cfluctuatesharplywithashortperiodinprovisionalseventhstage.Theonsetofsharpfluctuationintheδ13CvaluesbeginsattheproposedGSSPlevel,definingthebaseoftheglobalseventhstage,whereδ13Cvalueschangefromagentletrendtoasharptrend.Distinctcovariant-relationshipsamongδ13C,δ18O,andsealevelfluctuationssuggestthatawarmingchangeinpaleoclimatetookplaceduringtheearlyglobalseventhstage,whichledtoapositiveshiftinδ13Cvalues.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</content:encoded>
    <dc:title><![CDATA[Evolution of Carbon Isotope Composition in Potential Global Stratotype Section and Point at Luoyixi, South China, for the Base of the Unnamed Global Seventh Stage of Cambrian System]]></dc:title>
    <dc:creator><![CDATA[左景勋, 彭善池, 朱学剑, 祁玉平, 林焕令, 杨显峰]]></dc:creator>
    <dc:date>2018-07-15</dc:date>
    <dc:rights>Personal use only, all commercial or other reuse prohibited</dc:rights>
    <dc:source>Journal of Earth Science. 2008 19(1): .</dc:source>
    <dc:type>article</dc:type>
    <dc:identifier>doi:</dc:identifier>
    <prism:doi></prism:doi>
    <prism:publicationName>Journal of Earth Science</prism:publicationName>
    <prism:volume>19</prism:volume>
    <prism:number>1</prism:number>
    <prism:publicationDate>2018-07-15</prism:publicationDate>
	<prism:url>http://en.earth-science.net/article/id/345</prism:url>	<prism:startingPage></prism:startingPage>
  </item>
    <item rdf:about="http://en.earth-science.net/article/id/346">
    <title><![CDATA[Characteristics of Clay Minerals in the Northern South China Sea and Its Implications for Evolution of East Asian Monsoon since Miocene]]></title>
    <link>http://en.earth-science.net/article/id/346</link>    <description>
		<![CDATA[
			万世明, 李安春, 胥可辉, 尹学明
			&lt;br/&gt;&lt;p&gt;Claymineralassemblages,crystallinity,chemistry,andmicromorphologyofclayparticlesinsedimentsfromODPSite1146inthenorthernSouthChinaSea(SCS)wereanalyzed,andusedtotracesedimentsourcesandobtainproxyrecordsofthepastchangesintheEastAsianmonsoonclimatesincetheMiocene,basedonamulti-approach,includingX-raydiffraction(XRD)andscanningelectronmicroscopycombinedwithenergydispersiveX-rayspectrometry(SEM-EDS).Claymineralsconsistmainlyofilliteandsmectite,withassociatedchloriteandkaolinite.TheilliteatODPSite1146hasverywell-to-wellcrystallinity,andsmectitehasmoderate-to-poorcrystallinity.InSEMthesmectiteparticlesatODPSite1146oftenappearcauliflower-like,atypicalmicromorphologyofvolcanicsmecites.ThesmectiteatODPSite1146isrelativelyrichinSielement,butpoorinFe,verysimilartothesmectitefromtheWestPhilippineSea.Incontrast,thechemicalcompositionofilliteatODPSite1146hasnoobviousdifferencesfromthoseoftheLoessplateau,YellowRiver,YangtzeRiver,andPearlRiver.AfurtherstudyonsedimentsourceindicatesthatsmectiteoriginatesmainlyfromLuzon,kaolinitefromthePearlRiver,andilliteandchloritefromthePearlRiver,Taiwanand/ortheYangtzeRiver.TheclaymineralassemblagesatODPSite1146werenotonlycontrolledbycontinentaleatheringregimessurroundingtheSCS,butalsobythechangingstrengthofthetransportprocesses.Theratiosof(illite+chlorite)/smectiteatODPSite1146wereadoptedasproxiesfortheEastAsianmonsoonevolution.Relativelyhigherratiosreflectstronglyintensifiedwintermonsoonrelativeto

summermonsoon,incontrast,lowerratiosindicateastrengthenedsummermonsoonrelativetowintermonsoon.TheconsistentvariationofthisclayproxyfromthoseofLoessplateau,eoliandepositionintheNorthPacific,planktonic,benthicforaminifera,andblackcarbonintheSCSsince20MashowsthatthreeprofoundshiftsoftheEastAsianwintermonsoonintensity,andaridityintheAsianinlandandtheintensityofwintermonsoonrelativetosummermonsoon,occurredatabout15Ma,8Ma,andtheyoungeratabout3Ma.Thephaseduplift&nb&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</description>
    <content:encoded>
		<![CDATA[
			万世明, 李安春, 胥可辉, 尹学明
			&lt;br/&gt;&lt;p&gt;Claymineralassemblages,crystallinity,chemistry,andmicromorphologyofclayparticlesinsedimentsfromODPSite1146inthenorthernSouthChinaSea(SCS)wereanalyzed,andusedtotracesedimentsourcesandobtainproxyrecordsofthepastchangesintheEastAsianmonsoonclimatesincetheMiocene,basedonamulti-approach,includingX-raydiffraction(XRD)andscanningelectronmicroscopycombinedwithenergydispersiveX-rayspectrometry(SEM-EDS).Claymineralsconsistmainlyofilliteandsmectite,withassociatedchloriteandkaolinite.TheilliteatODPSite1146hasverywell-to-wellcrystallinity,andsmectitehasmoderate-to-poorcrystallinity.InSEMthesmectiteparticlesatODPSite1146oftenappearcauliflower-like,atypicalmicromorphologyofvolcanicsmecites.ThesmectiteatODPSite1146isrelativelyrichinSielement,butpoorinFe,verysimilartothesmectitefromtheWestPhilippineSea.Incontrast,thechemicalcompositionofilliteatODPSite1146hasnoobviousdifferencesfromthoseoftheLoessplateau,YellowRiver,YangtzeRiver,andPearlRiver.AfurtherstudyonsedimentsourceindicatesthatsmectiteoriginatesmainlyfromLuzon,kaolinitefromthePearlRiver,andilliteandchloritefromthePearlRiver,Taiwanand/ortheYangtzeRiver.TheclaymineralassemblagesatODPSite1146werenotonlycontrolledbycontinentaleatheringregimessurroundingtheSCS,butalsobythechangingstrengthofthetransportprocesses.Theratiosof(illite+chlorite)/smectiteatODPSite1146wereadoptedasproxiesfortheEastAsianmonsoonevolution.Relativelyhigherratiosreflectstronglyintensifiedwintermonsoonrelativeto

summermonsoon,incontrast,lowerratiosindicateastrengthenedsummermonsoonrelativetowintermonsoon.TheconsistentvariationofthisclayproxyfromthoseofLoessplateau,eoliandepositionintheNorthPacific,planktonic,benthicforaminifera,andblackcarbonintheSCSsince20MashowsthatthreeprofoundshiftsoftheEastAsianwintermonsoonintensity,andaridityintheAsianinlandandtheintensityofwintermonsoonrelativetosummermonsoon,occurredatabout15Ma,8Ma,andtheyoungeratabout3Ma.Thephaseduplift&nb&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</content:encoded>
    <dc:title><![CDATA[Characteristics of Clay Minerals in the Northern South China Sea and Its Implications for Evolution of East Asian Monsoon since Miocene]]></dc:title>
    <dc:creator><![CDATA[万世明, 李安春, 胥可辉, 尹学明]]></dc:creator>
    <dc:date>2018-07-15</dc:date>
    <dc:rights>Personal use only, all commercial or other reuse prohibited</dc:rights>
    <dc:source>Journal of Earth Science. 2008 19(1): .</dc:source>
    <dc:type>article</dc:type>
    <dc:identifier>doi:</dc:identifier>
    <prism:doi></prism:doi>
    <prism:publicationName>Journal of Earth Science</prism:publicationName>
    <prism:volume>19</prism:volume>
    <prism:number>1</prism:number>
    <prism:publicationDate>2018-07-15</prism:publicationDate>
	<prism:url>http://en.earth-science.net/article/id/346</prism:url>	<prism:startingPage></prism:startingPage>
  </item>
    <item rdf:about="http://en.earth-science.net/article/id/347">
    <title><![CDATA[Morphological Characteristics of (K, Na)-Rectorite from Zhongxiang Rectorite Deposit, Hubei, Central China]]></title>
    <link>http://en.earth-science.net/article/id/347</link>    <description>
		<![CDATA[
			Hong Hanlie* (洪汉烈), Zhang Xiaoling (张晓玲), Wan Miao (万淼), Hou Yijun (侯一俊), Du Dengwen (杜登文)
			&lt;br/&gt;&lt;p&gt;The morphological characteristics of the Zhongxiang (钟祥) rectorite have been studied using X-ray diffraction (XRD), electron probe micro-analyzer (EPMA), scanning electron microscopy (SEM), atomic force microscope (AFM), and high-resolution transmission electron microscopy (HRTEM).The structural formula of the Zhongxiang rectorite is: (Na0.45K0.32Ca0.37Mg0.08)(Al3.78Fe0.11Ti0.10)[(Si6.22Al1.78)O20](OH)4?nH2O. It should be confined to a regular interstratification of (K, Na)-mica and Ca-montmorillonite. SEM observations show that Zhongxiang rectorite occurs as platy and fold-shaped crystals, and mainly as extremely thin plates with thickness ranging from 0.4 to 0.05 μm and a smooth (001) surface. There are well-developed polygonal steps on the surfaces of some thick crystals, suggesting a layer-by-layer growth mechanism. AFM observations show a series of steps with a height of 2 nm on the platy particles, suggesting the stacking of 20 nm fundamental particles. Club-like or fiber-shaped halloysite is included in the platy crystals with their elongated dimension paralleling (001) of the platy crystals or crossing the (001) surface of the platy rectorite, indicating multi-stage crystallization and involvement of hydrothermal fluids. The Zhongxiang rectorite was generated by both layer-by-layer growth mechanism and dissolution and crystallization growth mechanism with multistages.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</description>
    <content:encoded>
		<![CDATA[
			Hong Hanlie* (洪汉烈), Zhang Xiaoling (张晓玲), Wan Miao (万淼), Hou Yijun (侯一俊), Du Dengwen (杜登文)
			&lt;br/&gt;&lt;p&gt;The morphological characteristics of the Zhongxiang (钟祥) rectorite have been studied using X-ray diffraction (XRD), electron probe micro-analyzer (EPMA), scanning electron microscopy (SEM), atomic force microscope (AFM), and high-resolution transmission electron microscopy (HRTEM).The structural formula of the Zhongxiang rectorite is: (Na0.45K0.32Ca0.37Mg0.08)(Al3.78Fe0.11Ti0.10)[(Si6.22Al1.78)O20](OH)4?nH2O. It should be confined to a regular interstratification of (K, Na)-mica and Ca-montmorillonite. SEM observations show that Zhongxiang rectorite occurs as platy and fold-shaped crystals, and mainly as extremely thin plates with thickness ranging from 0.4 to 0.05 μm and a smooth (001) surface. There are well-developed polygonal steps on the surfaces of some thick crystals, suggesting a layer-by-layer growth mechanism. AFM observations show a series of steps with a height of 2 nm on the platy particles, suggesting the stacking of 20 nm fundamental particles. Club-like or fiber-shaped halloysite is included in the platy crystals with their elongated dimension paralleling (001) of the platy crystals or crossing the (001) surface of the platy rectorite, indicating multi-stage crystallization and involvement of hydrothermal fluids. The Zhongxiang rectorite was generated by both layer-by-layer growth mechanism and dissolution and crystallization growth mechanism with multistages.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</content:encoded>
    <dc:title><![CDATA[Morphological Characteristics of (K, Na)-Rectorite from Zhongxiang Rectorite Deposit, Hubei, Central China]]></dc:title>
    <dc:creator><![CDATA[Hong Hanlie* (洪汉烈), Zhang Xiaoling (张晓玲), Wan Miao (万淼), Hou Yijun (侯一俊), Du Dengwen (杜登文)]]></dc:creator>
    <dc:date>2018-07-15</dc:date>
    <dc:rights>Personal use only, all commercial or other reuse prohibited</dc:rights>
    <dc:source>Journal of Earth Science. 2008 19(1): .</dc:source>
    <dc:type>article</dc:type>
    <dc:identifier>doi:</dc:identifier>
    <prism:doi></prism:doi>
    <prism:publicationName>Journal of Earth Science</prism:publicationName>
    <prism:volume>19</prism:volume>
    <prism:number>1</prism:number>
    <prism:publicationDate>2018-07-15</prism:publicationDate>
	<prism:url>http://en.earth-science.net/article/id/347</prism:url>	<prism:startingPage></prism:startingPage>
  </item>
    <item rdf:about="http://en.earth-science.net/article/id/348">
    <title><![CDATA[Zircon LA-ICP MS U-Pb Dating of the Longkang Andesitic Ignimbrites from Jiuzhaigou: Evidence of the Mianlue Suture Westward Extension]]></title>
    <link>http://en.earth-science.net/article/id/348</link>    <description>
		<![CDATA[
			Qin Jiangfeng (秦江锋), Lai Shaocong* (赖绍聪), Zhang Guowei (张国伟), Diwu Chunrong (第五春荣), Li Yongfei (李永飞)
			&lt;br/&gt;&lt;p&gt;Genesisofmetasedimentary-volcanicsoutcropedinKangxian-Pipasi-Nanping(康县－琵琶寺－南坪)tectoniczoneiscloselyrelatedwithtectonicevolutionoftheMianlue(勉略)Ocean.InthewestendofKangxian-Pipasi-Nanpingtectoniczone,therearehundredmetersofandesiticignimbritesandtuffites.ZirconU-Pbdatingonthesevolcanicshasgreatsignificancetothetectonicimplicationofthevolcanicrocks.Zirconsfromanignimbritesample(JZG-L)havebeencollectedfromYazhagou(牙扎沟)intheeastendoftheTazang-Longkang(塔藏－隆康)SectionforLA-ICPMSU-Pbdating.ThezirconsfromLongkangandesiticignimbritesaremagmaticgenesiswithoscillatoryzoningandhighU((35–750)ppm),Th((311–717)ppm)contentswithhighTh/U(0.44–1.30)ratios.Themeasured206Pb/238Uratiosareingoodanalyticalprecision,yieldingaweightedmeanageof(246±3)Ma(MSWD=2.6,n=12,2σ).Somedetritalzirconshavealsobeenobserved,theyhavemaximalconcordiaageof(2481±33)Ma,whichindicatestheexistenceofPrecambrianmaterialintheJiuzhaigou(九寨沟)area.Combinedwithregionalgeologyandthevolcanicrocksinthestudiedarea,the(246±3)MazirconU-PbagesuggestsaLatePermianorogenicvolcanismandprovidesimportantgeochronologyevidencefortheMianluesuturewestwardextension.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</description>
    <content:encoded>
		<![CDATA[
			Qin Jiangfeng (秦江锋), Lai Shaocong* (赖绍聪), Zhang Guowei (张国伟), Diwu Chunrong (第五春荣), Li Yongfei (李永飞)
			&lt;br/&gt;&lt;p&gt;Genesisofmetasedimentary-volcanicsoutcropedinKangxian-Pipasi-Nanping(康县－琵琶寺－南坪)tectoniczoneiscloselyrelatedwithtectonicevolutionoftheMianlue(勉略)Ocean.InthewestendofKangxian-Pipasi-Nanpingtectoniczone,therearehundredmetersofandesiticignimbritesandtuffites.ZirconU-Pbdatingonthesevolcanicshasgreatsignificancetothetectonicimplicationofthevolcanicrocks.Zirconsfromanignimbritesample(JZG-L)havebeencollectedfromYazhagou(牙扎沟)intheeastendoftheTazang-Longkang(塔藏－隆康)SectionforLA-ICPMSU-Pbdating.ThezirconsfromLongkangandesiticignimbritesaremagmaticgenesiswithoscillatoryzoningandhighU((35–750)ppm),Th((311–717)ppm)contentswithhighTh/U(0.44–1.30)ratios.Themeasured206Pb/238Uratiosareingoodanalyticalprecision,yieldingaweightedmeanageof(246±3)Ma(MSWD=2.6,n=12,2σ).Somedetritalzirconshavealsobeenobserved,theyhavemaximalconcordiaageof(2481±33)Ma,whichindicatestheexistenceofPrecambrianmaterialintheJiuzhaigou(九寨沟)area.Combinedwithregionalgeologyandthevolcanicrocksinthestudiedarea,the(246±3)MazirconU-PbagesuggestsaLatePermianorogenicvolcanismandprovidesimportantgeochronologyevidencefortheMianluesuturewestwardextension.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</content:encoded>
    <dc:title><![CDATA[Zircon LA-ICP MS U-Pb Dating of the Longkang Andesitic Ignimbrites from Jiuzhaigou: Evidence of the Mianlue Suture Westward Extension]]></dc:title>
    <dc:creator><![CDATA[Qin Jiangfeng (秦江锋), Lai Shaocong* (赖绍聪), Zhang Guowei (张国伟), Diwu Chunrong (第五春荣), Li Yongfei (李永飞)]]></dc:creator>
    <dc:date>2018-07-15</dc:date>
    <dc:rights>Personal use only, all commercial or other reuse prohibited</dc:rights>
    <dc:source>Journal of Earth Science. 2008 19(1): .</dc:source>
    <dc:type>article</dc:type>
    <dc:identifier>doi:</dc:identifier>
    <prism:doi></prism:doi>
    <prism:publicationName>Journal of Earth Science</prism:publicationName>
    <prism:volume>19</prism:volume>
    <prism:number>1</prism:number>
    <prism:publicationDate>2018-07-15</prism:publicationDate>
	<prism:url>http://en.earth-science.net/article/id/348</prism:url>	<prism:startingPage></prism:startingPage>
  </item>
    <item rdf:about="http://en.earth-science.net/article/id/349">
    <title><![CDATA[Sequence Stratigraphic Delineation and Correlation of the Dongying Formation in the Nearshore and Adjacent Sea Areas,]]></title>
    <link>http://en.earth-science.net/article/id/349</link>    <description>
		<![CDATA[
			朱红涛, 杜远生, 颜佳新, 徐亚军, 杨萍, 刘新宇
			&lt;br/&gt;&lt;p&gt;Basedontheanalysisofwelllogs,seismicdata,corestudies,theDongying(东营)Formationalongthenearshoreandadjacentseaareas,Bohai(渤海)Baybasinhasbeensubdividedintothreethird-ordersequencesfrombasetotop:namely,sequencesSQ1,SQ2andSQ3.Thethreesequenceshavedifferentwireline(SP)logresponses,showingtriple-sectioncharacteristicswithSQ1beingcharacterizedbyprimarilyflatbaselinewithintercalationofrelativelylowspontaneouspotential,SQ2generallyexhibitingweakormoderateamplitudespontaneouspotentialwithfinger-shapedpeaks,andSQ3havingrelativelyhighspontaneouspotentialwithfunnel-shapedlogcurves.Onthebasisofthetriple-sectioncharacteristics,thestratigraphicsequencescanbecorrelatedconsistentlythroughouttheentirestudyarea.AstratigraphicandsedimentarymodelforsequencesSQ1toSQ3oftheDongyingFormationinthestudyareahasbeenproposed.Theaccommodationspacechangeinthetwosidesoftheasymmetricalbasinwasexaminedandtheasymmetricalbasinhasthefeatureoftheasymmetricalaccommodationspacechange.Theasymmetricalphysiographyisavitalfactortoinfluencetheaccommodationchangesinadditionaltothelakelevelchange,tectonismandsedimentsupply.ThismayhaveimportantimplicationstosimilarbasinsinotherpartsofChinaorelsewhere.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</description>
    <content:encoded>
		<![CDATA[
			朱红涛, 杜远生, 颜佳新, 徐亚军, 杨萍, 刘新宇
			&lt;br/&gt;&lt;p&gt;Basedontheanalysisofwelllogs,seismicdata,corestudies,theDongying(东营)Formationalongthenearshoreandadjacentseaareas,Bohai(渤海)Baybasinhasbeensubdividedintothreethird-ordersequencesfrombasetotop:namely,sequencesSQ1,SQ2andSQ3.Thethreesequenceshavedifferentwireline(SP)logresponses,showingtriple-sectioncharacteristicswithSQ1beingcharacterizedbyprimarilyflatbaselinewithintercalationofrelativelylowspontaneouspotential,SQ2generallyexhibitingweakormoderateamplitudespontaneouspotentialwithfinger-shapedpeaks,andSQ3havingrelativelyhighspontaneouspotentialwithfunnel-shapedlogcurves.Onthebasisofthetriple-sectioncharacteristics,thestratigraphicsequencescanbecorrelatedconsistentlythroughouttheentirestudyarea.AstratigraphicandsedimentarymodelforsequencesSQ1toSQ3oftheDongyingFormationinthestudyareahasbeenproposed.Theaccommodationspacechangeinthetwosidesoftheasymmetricalbasinwasexaminedandtheasymmetricalbasinhasthefeatureoftheasymmetricalaccommodationspacechange.Theasymmetricalphysiographyisavitalfactortoinfluencetheaccommodationchangesinadditionaltothelakelevelchange,tectonismandsedimentsupply.ThismayhaveimportantimplicationstosimilarbasinsinotherpartsofChinaorelsewhere.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</content:encoded>
    <dc:title><![CDATA[Sequence Stratigraphic Delineation and Correlation of the Dongying Formation in the Nearshore and Adjacent Sea Areas,]]></dc:title>
    <dc:creator><![CDATA[朱红涛, 杜远生, 颜佳新, 徐亚军, 杨萍, 刘新宇]]></dc:creator>
    <dc:date>2018-07-15</dc:date>
    <dc:rights>Personal use only, all commercial or other reuse prohibited</dc:rights>
    <dc:source>Journal of Earth Science. 2008 19(1): .</dc:source>
    <dc:type>article</dc:type>
    <dc:identifier>doi:</dc:identifier>
    <prism:doi></prism:doi>
    <prism:publicationName>Journal of Earth Science</prism:publicationName>
    <prism:volume>19</prism:volume>
    <prism:number>1</prism:number>
    <prism:publicationDate>2018-07-15</prism:publicationDate>
	<prism:url>http://en.earth-science.net/article/id/349</prism:url>	<prism:startingPage></prism:startingPage>
  </item>
    <item rdf:about="http://en.earth-science.net/article/id/350">
    <title><![CDATA[Simplicial Indicator Kriging]]></title>
    <link>http://en.earth-science.net/article/id/350</link>    <description>
		<![CDATA[
			R Tolosana-Delgado, V Pawlowsky-Glahn, J J
			&lt;br/&gt;&lt;p&gt;Indicatorkriging(IK)isaspatialinterpolationtechniquedevisedforestimatingaconditionalcumulativedistributionfunctionatanunsampledlocation.Theresultisadiscreteapproximation,anditscorrespondingestimatedprobabilitydensityfunctioncanbeviewedasacompositioninthesimplex.ThisfactsuggestedacompositionalapproachtoIKwhich,byconstruction,avoidsallitsstandarddrawbacks(negativepredictions,not-orderedorlargerthanone).Here,asimplealgorithmtodeveloptheprocedureispresented.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</description>
    <content:encoded>
		<![CDATA[
			R Tolosana-Delgado, V Pawlowsky-Glahn, J J
			&lt;br/&gt;&lt;p&gt;Indicatorkriging(IK)isaspatialinterpolationtechniquedevisedforestimatingaconditionalcumulativedistributionfunctionatanunsampledlocation.Theresultisadiscreteapproximation,anditscorrespondingestimatedprobabilitydensityfunctioncanbeviewedasacompositioninthesimplex.ThisfactsuggestedacompositionalapproachtoIKwhich,byconstruction,avoidsallitsstandarddrawbacks(negativepredictions,not-orderedorlargerthanone).Here,asimplealgorithmtodeveloptheprocedureispresented.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</content:encoded>
    <dc:title><![CDATA[Simplicial Indicator Kriging]]></dc:title>
    <dc:creator><![CDATA[R Tolosana-Delgado, V Pawlowsky-Glahn, J J]]></dc:creator>
    <dc:date>2018-07-15</dc:date>
    <dc:rights>Personal use only, all commercial or other reuse prohibited</dc:rights>
    <dc:source>Journal of Earth Science. 2008 19(1): .</dc:source>
    <dc:type>article</dc:type>
    <dc:identifier>doi:</dc:identifier>
    <prism:doi></prism:doi>
    <prism:publicationName>Journal of Earth Science</prism:publicationName>
    <prism:volume>19</prism:volume>
    <prism:number>1</prism:number>
    <prism:publicationDate>2018-07-15</prism:publicationDate>
	<prism:url>http://en.earth-science.net/article/id/350</prism:url>	<prism:startingPage></prism:startingPage>
  </item>
    <item rdf:about="http://en.earth-science.net/article/id/351">
    <title><![CDATA[Euler Deconvolution with Improved Accuracy and Multiple Different Structural Indices]]></title>
    <link>http://en.earth-science.net/article/id/351</link>    <description>
		<![CDATA[
			G R J Cooper*
			&lt;br/&gt;&lt;p&gt;Eulerdeconvolutionisasemi-automaticinterpretationmethodthatisfrequentlyusedwithmagneticandgravitydata.Foragivensourcetype,whichisspecifiedbyitsstructuralindex(SI),itprovidesanestimateofthesourcelocation.Itisdemonstratedherethatbycomputingthesolutionspaceofindividualdatapointsandselectingcommonsourcelocationstheaccuracyoftheresultcanbeimproved.Furthermore,onlyaslightmodificationofthemethodisnecessarytoallowsolutionsforanynumberofdifferentSIstobeobtainedsimultaneously.Themethodisapplicabletobothevenlyandunevenlysampledgeophysicaldataandisdemonstratedongravityandmagneticdata.Sourcecode(inMatlabformat)isavailablefromwww.iamg.org.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</description>
    <content:encoded>
		<![CDATA[
			G R J Cooper*
			&lt;br/&gt;&lt;p&gt;Eulerdeconvolutionisasemi-automaticinterpretationmethodthatisfrequentlyusedwithmagneticandgravitydata.Foragivensourcetype,whichisspecifiedbyitsstructuralindex(SI),itprovidesanestimateofthesourcelocation.Itisdemonstratedherethatbycomputingthesolutionspaceofindividualdatapointsandselectingcommonsourcelocationstheaccuracyoftheresultcanbeimproved.Furthermore,onlyaslightmodificationofthemethodisnecessarytoallowsolutionsforanynumberofdifferentSIstobeobtainedsimultaneously.Themethodisapplicabletobothevenlyandunevenlysampledgeophysicaldataandisdemonstratedongravityandmagneticdata.Sourcecode(inMatlabformat)isavailablefromwww.iamg.org.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</content:encoded>
    <dc:title><![CDATA[Euler Deconvolution with Improved Accuracy and Multiple Different Structural Indices]]></dc:title>
    <dc:creator><![CDATA[G R J Cooper*]]></dc:creator>
    <dc:date>2018-07-15</dc:date>
    <dc:rights>Personal use only, all commercial or other reuse prohibited</dc:rights>
    <dc:source>Journal of Earth Science. 2008 19(1): .</dc:source>
    <dc:type>article</dc:type>
    <dc:identifier>doi:</dc:identifier>
    <prism:doi></prism:doi>
    <prism:publicationName>Journal of Earth Science</prism:publicationName>
    <prism:volume>19</prism:volume>
    <prism:number>1</prism:number>
    <prism:publicationDate>2018-07-15</prism:publicationDate>
	<prism:url>http://en.earth-science.net/article/id/351</prism:url>	<prism:startingPage></prism:startingPage>
  </item>
    <item rdf:about="http://en.earth-science.net/article/id/352">
    <title><![CDATA[Fractal Modeling of Sphalerite Banding in Jinding Pb-Zn Deposit, Yunnan, Southwestern China]]></title>
    <link>http://en.earth-science.net/article/id/352</link>    <description>
		<![CDATA[
			Wang Zhijing* (王志敬), Cheng Qiuming (成秋明), Xu Deyi (徐德义), Dong Yaosong (董耀松)
			&lt;br/&gt;&lt;p&gt;SphaleritebandingisacommontextureinJinding(金顶)Pb-Zndeposit,Yunnan(云南),southwesternChina.Thefrequencydistributionandirregularityofsphaleritegrainsobservedinthebandingsarecharacterizedquantitativelybyfractalmodels.Fractaldimensionscalculatedbyseveralfractalmodelsincludingbox-countingmodel,perimeter-area(P-A)model,andnumber-area(N-A)modelshowthegradualchangefromouterbandingtoinnerbanding,indicatingadecreaseinareapercentage,inirregularity,inshapeandingrainsize,andanincreaseinthenumbersofgrains.Theseresultsmayimplyaninwardgrowthofsphaleriteduringmineralization,andself-organizationpropertiesareinvolvedinthenonlinearprocessofmineralization.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</description>
    <content:encoded>
		<![CDATA[
			Wang Zhijing* (王志敬), Cheng Qiuming (成秋明), Xu Deyi (徐德义), Dong Yaosong (董耀松)
			&lt;br/&gt;&lt;p&gt;SphaleritebandingisacommontextureinJinding(金顶)Pb-Zndeposit,Yunnan(云南),southwesternChina.Thefrequencydistributionandirregularityofsphaleritegrainsobservedinthebandingsarecharacterizedquantitativelybyfractalmodels.Fractaldimensionscalculatedbyseveralfractalmodelsincludingbox-countingmodel,perimeter-area(P-A)model,andnumber-area(N-A)modelshowthegradualchangefromouterbandingtoinnerbanding,indicatingadecreaseinareapercentage,inirregularity,inshapeandingrainsize,andanincreaseinthenumbersofgrains.Theseresultsmayimplyaninwardgrowthofsphaleriteduringmineralization,andself-organizationpropertiesareinvolvedinthenonlinearprocessofmineralization.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</content:encoded>
    <dc:title><![CDATA[Fractal Modeling of Sphalerite Banding in Jinding Pb-Zn Deposit, Yunnan, Southwestern China]]></dc:title>
    <dc:creator><![CDATA[Wang Zhijing* (王志敬), Cheng Qiuming (成秋明), Xu Deyi (徐德义), Dong Yaosong (董耀松)]]></dc:creator>
    <dc:date>2018-07-15</dc:date>
    <dc:rights>Personal use only, all commercial or other reuse prohibited</dc:rights>
    <dc:source>Journal of Earth Science. 2008 19(1): .</dc:source>
    <dc:type>article</dc:type>
    <dc:identifier>doi:</dc:identifier>
    <prism:doi></prism:doi>
    <prism:publicationName>Journal of Earth Science</prism:publicationName>
    <prism:volume>19</prism:volume>
    <prism:number>1</prism:number>
    <prism:publicationDate>2018-07-15</prism:publicationDate>
	<prism:url>http://en.earth-science.net/article/id/352</prism:url>	<prism:startingPage></prism:startingPage>
  </item>
    <item rdf:about="http://en.earth-science.net/article/id/353">
    <title><![CDATA[Effect of Multipoint Heterogeneity on Nonlinear Transformations for Geological Modeling: Porosity-Permeability Relations Revisited]]></title>
    <link>http://en.earth-science.net/article/id/353</link>    <description>
		<![CDATA[
			J A Vargas-Guzmán*
			&lt;br/&gt;&lt;p&gt;Ananalysisofstatisticalexpectedvaluesfortransformationsisperformedinthisstudytoquantifytheeffectofheterogeneityonspatialgeologicalmodelingandevaluations.Algebraictransformationsarefrequentlyappliedtodatafromloggingtoallowforthemodelingofgeologicalproperties.Transformationsmaybepowers,products,andexponentialoperationswhicharecommonlyusedinwell-knownrelations(e.g.,porosity-permeabilitytransforms).Theresultsofthisstudyshowthatcorrectcomputationsmustaccountforresidualtransformationtermswhichariseduetolackofindependenceamongheterogeneousgeologicalproperties.Inthecaseofanexponentialporosity-permeabilitytransform,thevaluesmaybepositive.Thisprovesthatasimpleexponentialmodelback-transformedfromlinearregressionunderestimatespermeability.Inthecaseoftransformationsinvolvingtwoormoreproperties,residualtermsmayrepresentthecontributionofheterogeneouscomponentswhichoccurwhenpropertiesvarytogether,regardlessofapair-wiselinearindependence.Aconsequenceofpower-andproduct-transformmodelsisthatregressionequationswithinthosetransformationsneedcorrectionsviaresidualcumulants.Ageneralizationofthisresultisthattransformationsofmultivariatespatialattributesrequiremultiple-pointrandomvariablerelations.Thisanalysisprovidespracticalsolutionsleadingtoamethodologyfornonlinearmodelingusingcorrectbacktransformationsingeology.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</description>
    <content:encoded>
		<![CDATA[
			J A Vargas-Guzmán*
			&lt;br/&gt;&lt;p&gt;Ananalysisofstatisticalexpectedvaluesfortransformationsisperformedinthisstudytoquantifytheeffectofheterogeneityonspatialgeologicalmodelingandevaluations.Algebraictransformationsarefrequentlyappliedtodatafromloggingtoallowforthemodelingofgeologicalproperties.Transformationsmaybepowers,products,andexponentialoperationswhicharecommonlyusedinwell-knownrelations(e.g.,porosity-permeabilitytransforms).Theresultsofthisstudyshowthatcorrectcomputationsmustaccountforresidualtransformationtermswhichariseduetolackofindependenceamongheterogeneousgeologicalproperties.Inthecaseofanexponentialporosity-permeabilitytransform,thevaluesmaybepositive.Thisprovesthatasimpleexponentialmodelback-transformedfromlinearregressionunderestimatespermeability.Inthecaseoftransformationsinvolvingtwoormoreproperties,residualtermsmayrepresentthecontributionofheterogeneouscomponentswhichoccurwhenpropertiesvarytogether,regardlessofapair-wiselinearindependence.Aconsequenceofpower-andproduct-transformmodelsisthatregressionequationswithinthosetransformationsneedcorrectionsviaresidualcumulants.Ageneralizationofthisresultisthattransformationsofmultivariatespatialattributesrequiremultiple-pointrandomvariablerelations.Thisanalysisprovidespracticalsolutionsleadingtoamethodologyfornonlinearmodelingusingcorrectbacktransformationsingeology.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</content:encoded>
    <dc:title><![CDATA[Effect of Multipoint Heterogeneity on Nonlinear Transformations for Geological Modeling: Porosity-Permeability Relations Revisited]]></dc:title>
    <dc:creator><![CDATA[J A Vargas-Guzmán*]]></dc:creator>
    <dc:date>2018-07-15</dc:date>
    <dc:rights>Personal use only, all commercial or other reuse prohibited</dc:rights>
    <dc:source>Journal of Earth Science. 2008 19(1): .</dc:source>
    <dc:type>article</dc:type>
    <dc:identifier>doi:</dc:identifier>
    <prism:doi></prism:doi>
    <prism:publicationName>Journal of Earth Science</prism:publicationName>
    <prism:volume>19</prism:volume>
    <prism:number>1</prism:number>
    <prism:publicationDate>2018-07-15</prism:publicationDate>
	<prism:url>http://en.earth-science.net/article/id/353</prism:url>	<prism:startingPage></prism:startingPage>
  </item>
    <item rdf:about="http://en.earth-science.net/article/id/354">
    <title><![CDATA[Monotone Regression and Correction for Order]]></title>
    <link>http://en.earth-science.net/article/id/354</link>    <description>
		<![CDATA[
			韩燕, 杨毅恒
			&lt;br/&gt;&lt;p&gt;The indicator kriging (IK) is one of the most efficient nonparametric methods in geo-statistics. The order relation problem in the conditional cumulative distribution values obtained by IK is the most severe drawback of it. The correction of order relation deviations is an essential and important part of IK approach. A monotone regression was proposed as a new correction method which could minimize the deviation from original quintiles value, although, ensuring all order relations.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</description>
    <content:encoded>
		<![CDATA[
			韩燕, 杨毅恒
			&lt;br/&gt;&lt;p&gt;The indicator kriging (IK) is one of the most efficient nonparametric methods in geo-statistics. The order relation problem in the conditional cumulative distribution values obtained by IK is the most severe drawback of it. The correction of order relation deviations is an essential and important part of IK approach. A monotone regression was proposed as a new correction method which could minimize the deviation from original quintiles value, although, ensuring all order relations.&lt;/p&gt;
			      					&lt;br/&gt;Journal of Earth Science. 2008 19(1): . Published: 2018-07-15
		]]>
	</content:encoded>
    <dc:title><![CDATA[Monotone Regression and Correction for Order]]></dc:title>
    <dc:creator><![CDATA[韩燕, 杨毅恒]]></dc:creator>
    <dc:date>2018-07-15</dc:date>
    <dc:rights>Personal use only, all commercial or other reuse prohibited</dc:rights>
    <dc:source>Journal of Earth Science. 2008 19(1): .</dc:source>
    <dc:type>article</dc:type>
    <dc:identifier>doi:</dc:identifier>
    <prism:doi></prism:doi>
    <prism:publicationName>Journal of Earth Science</prism:publicationName>
    <prism:volume>19</prism:volume>
    <prism:number>1</prism:number>
    <prism:publicationDate>2018-07-15</prism:publicationDate>
	<prism:url>http://en.earth-science.net/article/id/354</prism:url>	<prism:startingPage></prism:startingPage>
  </item>
  </rdf:RDF>
