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简介：The19^thHimalaya-Karakoram-TibetWorkshop(HKT19),asanannualinternationalworkshopdevotedtopresentationsofnewresearchfindingsintheEarthsciencesandrelateddisciplinesfromtheHimalaya-Karakoram-Tibet(HKT)regionanddiscussionontheburningissues,washeldinNiseko,afamousskiresortinHokkaido,Japan.TheHKT19OrganizingCommitteehostedtheworkshoptogetherwithtwo21^stCenturyCenterofExcellencePrograms,namely,COEforthe“Neo-ScienceofNaturalHistory”(HokkaidoUniversity,ProjectLeader:H.Okada),COEfor“DynamicsoftheSun-Earth-LifeInteractiveSystem”,(NagoyaUniversity,ProjectLeader:T.Yasunari),andtheDivisionofEarthandPlanetarySciences,HokkaidoUniversity,

简介：The“9thInternationalSymposiumontheOrdovicianSystem,7thInternationalGraptoliteConference&FieldMeetingoftheInternationalSubcommissiononSilurianStratigraphy”commencedonAugust12,2003,byreceivinginSanJuanCitytoallparticipantsofthepre-symposiafieldtripthroughthePrecordilleraofMendozaandSanJuanprovinces,westernArgentina.OnAugust13,thefieldtripbeganwiththepurposetoshowsignificantLowerPaleozoicoutcropsfromdiversesettingsofthePrecordillerageologicalprovince.ThisfivedaysexcursionwasledbyDrs.S.H.Peralta.

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简介：TheInternationalGeologicalCongresses(IGCs)hadbeeninterruptedfornineyearsduringWorldWarI,betweenToronto(1913)andBrussels(1922).WorldWarIIcausedanevenlongerbreakofelevenyears,betweenMoscow(1937)andLondon(1948).

简介：ThismeetingwasheldinthehistoriccityofDurham,northeasternEngland,8-10^thJuly,with145limestoneloversattendingfromallroundtheworld,somecamefromasfarafieldasAustralia,IndiaandJapan,andtherewere30fromNorthAmerica.ThisseriesofmeetingswasstartedbyRobinBathurstin1959andthefirst8wereheldinLiverpool,whereRobinwaslecturerandthenprofessorofgeology.Theaimhasalwaysbeentohaveasmallfocusedconferencewithplentyoftimefordiscussion.

简介：The10thCoalGeologyConference,jointlyorganizedbytheFacultyofScienceoftheCharlesUniversityinPrague,theCzechGeologicalSurveyandtheInstituteofGeologyoftheAcademyofSciencesoftheCzechRepublic,tookplaceinJune7-11,2004,attheFacultyofScience.Thecoalgeologyconferenceshavebeenheldatthefacultyeverythreeorfouryearssince1972.Theywereprecededbycoalgeologyseminarswhichbeganevenearlier,inJanuary1968.Theseseminarsandconferencesprovidedanexcellentopportunitytoexchangeknowledgeandnewinformationoncoalgeologyandrelatedfieldsand,aboveall,tobringtogetherpeoplefromvariousfieldsstartingwithscienceandendingupwithawidespectrumofinterests.

简介：Inthelate19thandtheearly20thcentury,withexpandingindustrialismandurbanisation,theideaofthenationstategrewstronginSweden.Inthisnationalisticenvironment,natureandthenaturalsciencesassumedanimportantunifyingrole.Thesearchfornaturalresourcesandsourcesofenergyinspiredpoliticalsupportandresearch.Theexploitationofnaturewaslookeduponasaprerequisiteforthemodernizationofthecountry,andindeedwastobecomethebasisforSweden'swelfare.Itwasunderthesecircumstancesthat,in1906,the11thIGCwasinvitedtoStockholmin1910.ArequestforaGovernmentgrantfocusedontheinternationaldevelopmentofsciencebutalsostressedthenationalimportance.Swedenhad,itwassaid,itsrankingpositionamongnationstodefend,toupholditspositionamongcivilizednations,andtomaintainitsdistinguishedtraditioninthespheresofnaturalsciencesandminingoperations.ThemaintopicsoftheCongresswereironoreresources,post-glacialclimatechange,glacialerosion,theCambrianfauna,geologyofthePrecambrian,andgeologyofthepolarregions.Threeexhibitionsand24excursionswerearranged,and41guidebooksprinted.Thenumberofmemberspresentwas625,from37countriesandsixcontinents.Thefinalcostforarrangingthe11thIGCwasSEK125,000(approximately∈540,000today).AnovelexperienceinthetraditionoftheIGCswastheworld-wideinquiriesabouttheresourcesofironoreandaboutclimatechange.Suchthematic,worldwideinvestigationssubsequentlycametoattracttheattentionofmanyIGCs.ApropositiontoestablishacommissionforthepublicationofaninternationalstratigraphicdictionarywasapprovedbytheCongress,andasubcommissionwassetupwithcommissionersfromtencountries,butitwasnotuntil1956thatthefirstvolumesofLexiqueStratigraphiqueInternationalappeared.FromaSwedishpointofview,theCongresscompelledSwedishgeologiststocarryoutaninventoryoftheresultsofSwedishgeologicalr

简介："Beyond100:ThenextcenturyinEarthandSpaceScience"The27thIUGGGeneralAssemblywillbeheldJuly8-18,2019atthePalaisdesCongrèsinMontréal,Québec,Canada.ThisisaspecialopportunityforparticipantsfromCanadaandfromaroundtheworldtocometogetherandsharetheirscienceandculture.2019marksthe100thanniversaryofIUGG;wewilllookbackontheaccomplishmentsofthepreviouscenturyofEarthandspacescienceresearch,andforwardtothenextcenturyofscientificadvancement.Joinusforahostofscientificactivities,includingspecialpubliclectures,keynoteUnionlecturesandawidevarietyofthemedsessions.

简介：ThispaperpresentsthefirstspecificstudyoftheTh-andU-bearingminerals,whichwererecentlyfoundintheSEMediterraneanmarginofSpain(ElHoyazoarea,Almeriaprovince).ThesemineralsareREEphosphates(mainlymonazite)whichoccurasamoeboidal-to-elongateinclusions,fromaround10120μmto120μm,hostedinsinglegarnetcrystalsfromdacitelavasandmetamorphicrocksfromtheElHoyazoVolcanicComplex.ThandUcontentsarehigherthan1wt%,with3.04to5.62wt%forTh02,and0.7to1.75wt%forUO2.Bothelementsarealsofoundinxenotime(ThO2:0.24,UO2:0.27wt%).Giventhattheerosionofthevolcanicsourcerockshasgenerateda“placer-type”depositofmonazitesandsandthatgarnets(maincarriersofmonazite)arebeingcommercialised,anenvironmentalmonitoringandmanagementplanshouldbeurgentlyexecutedinthearea.

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