ORIGINALARTICLEActaGeochim(2023)42(1):9–23https://doi.org/10.1007/s11631-022-00568-5inthepetrogeny’sresiduesysteminasyn-collisionsettingfollowedbycontinentalcruststabilityinEDCduringtheNeoarcheanperiod.KeywordsMadugulapalligranite·Hybridgranite·Crustalmixing·Subduction1IntroductionTheoriginandsecularhistoryoftheArcheancontinentalcrustintimeandspaceimposesignificantconstraintsonthethermalandchemicalevolutionofthemantleanditsinvolvementinthedevelopmentofvariousgeodynamicmechanismsviathecoolingmantleanditsdifferentiation(Laurentetal.2014;Jayanandaetal.2018;Singhetal.2019).Themantleformationoccurredduetothesluggishlid-to-platetectonicprocess;someareretainedingranite-greenstoneMeso-Neoarcheanterranesfoundinvariouscratonsworldwide(Hawkesworthetal.2010;Cawoodetal.2013).Graniticmagmatismresultsfromhydrousman-tlemeltingandservesasaprimaryproofforsubductionzonemagmatismuniquetotheEarth(Martinetal.2005;Lópezetal.2006;Moyen2011).Theformationofconti-nentalcrustthroughoutthe3.4,3.0,2.7,1.7,and1.0GaperiodsarepresentincratonsworldwideasdescribedbyHawkesworthandKemp(2006)andRobertsetal.(2015).Nevertheless,themajorityofexpertsbelievethat2.7–2.5Garepresentsaworldwidepeakdevelopmentinthecon-tinentalcrustasshownbytheDharwarCraton(Jayanandaetal.2019).ThecorridormadeofArcheancrustwasdomi-natedbyfourlithotypes:(i)tonalite–trondhjemite–grano-diorite(TTG),developedmainlyduringtheearlystages;(ii)volcano-sedimentarygreenstonebeltsequences;and(iii)late-stagehigh-Kbiotitegraniticintrusions,and(iv)sanukitoids(Laurentetal.2014).TheoccurrenceofhybridAbstractMagmaproducedbymeltingofcontinentalcrustandmantleattheArchean-Proterozoicboundaryarecompo-sitionallyvariableandchemicalcompositionsprovideevi-denceforthemixingoftwosources.Understandingthecompositionofhybridmagmaisessentialfordeterminingthecomparativeinfluenceofcrustandmantlesourcesdur-ingorogenesis.ThehybridgranitesarelessdocumentedinIndiancratons,especiallylessinDharwarCraton.Herewepresentpetrographicandwhole-rockgeochemicaldataofM...
