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简介：Nanogeologyisasubjectthatisacombinationofgeologyandnanoscalescience,andithasbeenafrontierfieldinrecentyears.Itisalsoanewsubjectwiththefeaturesofintersectionalityandmultidisciplinary.Diggingdeeperintogeologicalproblemsandnanoscalephenomenahelpsbetterrevealingthemoreessentialmechanismsandprocessesingeologicalscience,whichisalsoanevitablepathinthedevelopmentofgeology.Inthispaper,weelaboratetheconcept,featureandmainsubdisciplines,andsummarizethreestagesofnanogeologydevelopmentfrompreliminaryresearchinthe1990stosubjectformationinChina.Aftersummarizingtheresearchers'achievementsinthisfield,weillustratesomeprimaryresearchprogressesofnanogeologyinChinaaseightsubdiseiplines.Onthebasisoftheabovecontent,weproposethedevelopmentprospectofnanogeologyinChina.Therearemanygeologicproblemswithscientificvaluesandeconomicbenefits,suchasresearchofgeologicfundamentalproblems,resourceexplorationanddevelopment,mechanismstudyandpredictionofgeologicalactivities(disasters),mechanismresearchandmanagementofenvironmentalpollutionandothers.NanogeologyhasagreatpotentialinChinatosolvealloftheseproblems.Asaresult,thetheoriesandmethodsofnanogeologywillbecomeenrichingandadvanced.Itoffersimportanttheoreticalbasisandtechnologicalmethodstodealwithmajorissuesconcerningthenationaleconomyandthepeople'slivelihoods,suchasthepredictionofgeologicalactivities,aswellasresourcedislributionanditsexplorationandutilization.

简介：FOREIGNERSwhowriteaboutChinausuallyliveinbigcitieswherethelanguageiseasytounderstandratherthanaslewofdialectsfromvariousplaces,andlifethereiscolorfulenoughtobeseenasaminiaturerepresentationoftheentiretyofChina.However,Americannon-fictionwriterMichaelMeyercasthiseyesontothetranquilruralareas–hisChinesewife’shometown,thenortheasternChinesevillagenamedDahuangdi,meaningagrandwastelandorWasteland,inJilinProvince,rentingasingle-storyhouse,sleepingonitsheatedbrickbed,chattingwithlocals,andteachingEnglishasavolunteerinanearbyprimaryschool.

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简介：Asanimportantpartofanepidermicsystem,terrestrialdepositscanprovideagoodrecordofmajorgeologicaleventsintheCretaceousepidemicsystem.Thisarticleisareviewofthegeologicalbackground,paleogeography,paleoclimate,basinevolutionandsedimentarycharacteristicsinChinathroughtheCretaceousperiod,inordertoprovideacomprehensiveunderstandingforinterestedresearchers.DuringtheBerriasian-Hauterivianage,red-mainlyfluvialandshallowlacustrinedepositiondevelopedunderaridandsemi-aridclimatesinwestenChinawheneasternChinahadbeenoccupiedbythe"EastPlateau”.DuringtheBarremian-Albian,agecoal-bearingdepositionsoccurredtothenorthoftheYanshanMountainunderthewetandwarmclimate.However,mainlyredfluvialandshallowlacustrinedepositionsprevailedinmostofthesouthtotheYanshanMountainexceptbasinswhereseawatercouldenterandcausedmostlygreendepositions.DuringtheCenomanian-Santonianage,highlanduplifttookplaceinnorthwesternChina.MainlyreddepositionwithdevelopedalluvialplainsoccupiedsouthwesternChinaandSouthChinawhentheSongliaoBasinwasfilledbyblackdeeplacustrinemudshalecausedbytransgression.Mainlyreddepositionunderanaridandsemi-aridclimateoccupiedallbasinsinChinaduringtheCampanian-Maastrichtianage.

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简介：DuringtheearlydaysofTrump’sadministration,theMar-a-lagosummit,heldbetweenUSandChineseleaders,onceinjectedhigh-levelmomentumintobilateraltradetalksandlaidasolidfoundationforthereleaseoftheinitialactionsoftheChina-USEconomicCooperation100-DayPlan.ThebilateraltraderelationsbeganamicablyearlyinTrump’spresidency.However,theUSsoonbegantoplayhardballagainstChina,initiatinganti-dumpingandcountervailinginvestigationsandimposingpunitivedutiesonseveralChineseimports,andlaunchedtheSection301investigationonwhatitallegedwasChina’stheftofUSintellectualproperty.TheUSalsodeniedChina’smarketeconomystatus,promotedreformsthatgaveastrongerhandtotheCommitteeonForeignInvestmentintheUnitedStates(CFIUS),vetoedseveralmergersandacquisitionscasesinvolvingChineseinvestmentintheUSandinterferedintherelevantoperationsofChineseenterprises.Recently,ithasevenspearheadedChineseproductsandinvestmentinstrategichightechfields.ThispolicytransitionnotonlyembodiesTrump’s“AmericaFirst”principlebutalsoshowsthatnon-economicfactorshaveplayedanincreasinglyimportantroleinUSpolicy-making.

简介：ThedevelopmentofmetamorphicpetrologytometamorphicgeologyinChinahasalonghistory.AncientbasementmetamorphicrocksaredistributedprimarilyintheNorthChinaCraton,theYangtzeBlockandTarimCraton.Theyaremainlymadeupofplutonicgneissandmetamorphosedsupercrustrock,transformedtogranulitefaciesthroughArcheanPaleoproterozoic.ManyofthePaleoproterozoicmetamorphicrockshaveundergonehigh-pressuregranulitefaciesmetamorphismwithaclockwisemetamorphicevolutionpath.Theultrahightemperature(UHT)granulitesfromtheLatePaleoproterozoicarefoundinNorthChinaCraton.Manyhigh-precisionchronologicaldatahaveallowedpreliminaryconstructionoftheformationandevolutionaryframeworkofdifferentmetamorphicbasements.Primarilytherearelow-temperatureandhigh-pressureblueschist,high-temperatureandhigh-pressuregranuliteandultrahigh-pressure(UHP)eclogitefaciesmetamorphicrocksinthePhanerozoicorogenicbelt.ThediscoveryofeclogiteintheSuluorogenandalargequantityofcoesiteinitscountryrocksshowthattherewasadeepsubductionofvoluminouscontinentalmaterialsduringthecollisionprocessbetweentheYangtzeblockandtheNorthChinaCratonintheEarlyMesozoicphase.Fromthestudiesof,forinstance,organicmattervitrinitereflectance,illitecrystallinity,illite(muscovite)polytypeandillite(muscovite)bdimension,theLatePaleozoicstrataintheeasternregionofInnerMongoliaandthenorth-centralregionofNEChinahaveonlyexperienceddiagenesistoanextremelylow-grademetamorphism.Thediscoveryofimpact-metamorphosedrocksinXiuyanareaofLiaoningprovincehasenrichedthetypeandcategoryofmetamorphicrocksinChina.Thephaseequilibriummethodhasbeenwidelyusedinthestudyofmetamorphismofmiddleandhigh-grademetamorphicrocks.Onthebasisofexistinggeologicsurveysandmonographicstudyresults,differentscholarshaverespectivelycompiled1:1500000MetamorphicGeologicalMapandSpecificationsofQinghaiTibetPla

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简介：MYfatherHéctorMoraisafamousColombiandocumentarydirector,producer,andjournalist.Hewasdubbed“theGooglemapofhistime”and“theonewhohelpedColombianstoseetheworld”bylocalmediaforwhathedid.From1977to2001,myfathersetfooton107countriesandregions,making1,250documentaries,amongwhich52arerelatedtoChina.Theprogramshemadewerethefirst,bothinColombiaandinotherpartsofSouthAmerica,todepictChina.

简介：TherearethreetypesofshalegasresourcesinChina.Theresourcesarepresentinlargeamountsandarewidelydistributed.Marinefacies,transitionalfaciesandcontinentalfaciesresourceseachaccountforathird.Basedonresourcedistributions,therearemanywellspenetratedintotheSinian,Cambrian,Ordovieian,Silurian,Devonian,CarboniferousandPermianstrataoftheYangtzeplateanditsperiphery,theNorthChinaCratonandtheTarimBasin.ManyyearsofexplorationhaveindicatedthatthemarineSilurianLongmaxishalegasiswidelydistributedinsouthChinaandhasbeenindustrializedinitsproductionintheSiehuanbasin.TheshalegasfromtheCambrianNiutitangFormationandtheSinianDoushantuoFormationareimportantdiscoveriesinYichang,HubeiandZhenba,Shanxi.TherearealsoshalegasresourcesfoundwithintransitionalfaciesandcontinentalfaciesindifferentareasinChina.The"twoelementenrichmenttheory"hasbeensummarizedduringtheexplorationprocessofSilurianmarineshalegasintheSichuanBasin.Inaddition,horizontaldrillingandfracturingtechnologiesupto3500mindepthhavebeendeveloped.BasedontheunderstandingofshalegasaccumulationinacomplextectoniczoneoutsidetheSichnanbasin,apreliminarysummaryoftheformationofthe"conversefaultsynelinecontrolreservoir"and"paleoupliftcontrolreservoir"modelhasbeenconstructed.Thedominanttheoryof"Trinity"shalegasenrichmentandthehighyieldofthe"deepwaterLuPengxiangsedimentaryfaciesbelt,structuralpreservationconditionsandoverpressure"issummarized.Guidedbytheabovetheories.AnyelwellinGuizhouandEyangyelwellinHubeiweredrilled."Fourstorey"oilandshale"gasisfoundinthePermianQixiagroup,theSilurianShiniulanFormation,theLongmaxiFormationandtheOrdovicianBaotaFormationinAnyelwell.GoodshalegashasbeengoundintheCambrianNiutitangformationinianDoushantuoformationinEyangyelwell.Thispaperaimstosummarizeandreviewthemainprogress,theoreticaltech

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简介：ThecontinentofChinaisgroupedintoPan-Cathaysianblocks,LaurasiaandGondwanaContinentalmarginsandrelicsofthreeoceans-Paleoasian,Tethys,andPacificasawhole.Indetail,thecontinentofChinagrewupbycoalescenceofthreeblocksorplatforms(NorthChina,TarimandYangtze)andeightorogenicbelts(Altay-InnerMongolia-Daxinganling,Tianshan-Junggar-Beishan,Qinling-Qilian-Kunlun,Qiangtang-Sanjiang,Gangdise,Himalaya,Cathaysia,EasternTaiwan)duringtheprocessesofoceaniccrustdisappearanceandacceretionary-collisionofcontinentalcrusts.Intheorogenicbelts,sixconvergentcrustalconsumptionzones(Ertix-XarMoron,SouthTianshan,Kuanping-Foziling,Bangongco-Shuanghu-Nujiang-Changning-Menglian,Yarlung-Tsangpo,Jiangshao-Chenzhou-Qinfang)havebeendistinguished.Correspondingly,thestrataofthecontinentofChinaaresubdividedinto17tectonicstratasuperregions,whichtectonicallybelongtothreeblocksorplatforms,sixconvergentcrustalconsumptionzonesandeightorogenicseries,respectively.Thisdivisionisbasedmainlyondifferencesoftectonicenvironmentandtectonicevolutionamongblocks,zonesandbelts,includingthetimingofwhentheoceaniccruststransferredintocontinentalcrusts,thepaleobiogeographicfeatures,andthetypesofstrata.

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简介：TheSinoProbeCenteroftheChinaGeologicalSurveyisageosciencesinnovationcenterfordeepgeologicalsurveysanddeepprocessresearches,whichisalsothenationalbasefordeepexplorationanddeepearthscienceresearchesinChina.Thecenterismainlyfocusedondeepexplorationsoftheearth,deepgeologicalsurveysandfundamentalresearchesondeepearthscience.ThemainmissionsoftheSinoProbeCenteraretoundertakeresearchprogramsondeepearthstructuralandcompositionalexploration,technologyresearchanddevelopmentondeepearthexploration,exploitationandevaluationofdeepoilandgas,deepmineralresources,deepgeothermalenergy,andundergroundspace'explorationandutilization.

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简介：TherearelargevolumesofthePhanerozoicgranitoidrocksinChinaandneighboringareas.Inrecentyears,numerousnewandpreciseU-Pbzirconageshavebeenpublishedforthesegranitoids,anddefinemanyimportantmagmaticevents,suchasca.500MagranitoideventsintheWestJunggar,AltaiorogensintheNWChina,andQinlingorogeninthecentralChina.TheseagesaccuratelyconstrainthetimeofimportantearlyPaleozoic,latePaleozoic,earlyMesozoicandlateMesozoicmagmaticeventsofthenorthern,central,western,southernandeasternorogenicMountainsinChina.ThereoccurvarioustypesofgranitoidsinChina,suchastalc-alkalinegranite,alkaligranite,highly-fractionatedgranite,leucogranite,adakite,andrapakivigranite.RapakivigranitesarenotonlytypicalProterozoicasintheNorthChinaCraton,butwerealsoemplacedduringPaleozoicandMesozoicintheKunlun-Qinlingorogen,apartoftheChinaCentralOrogenicBelt(CCOB).Nd-HfisotopictracingandmappingshowthatgranitoidsinthesouthernCentralAsianOrogenicBelt(CAOB)inChina(ortheNorthernChinaOrogenicBelt)arecharacterizedpredominantlybyjuvenilesources.Thejuvenilecrustinthisorogenicdomainaccountsforover50%byarea,distinguishingitfromotherorogenicbeltsintheworld,andthoseincentral(e.g.,Qinling),southwestemandeasternChina.Basedonalargeamountofnewagedata,apreliminarygranitoidandgranitoid-tectonicmapsofChinahavebeenpreliminarilycompiled,andanevolutionaryframeworkofPhanerozoicgranitoidsinChinaandneighboringareashasbeenestablishedfromtheviewofassemblyandbreakupofcontinentalblocks.Researchideasongranitoidtectonicshasalsobeenproposedanddiscussed.