Snaefellis5,000feethigh.Itsdoubleconeformsthelimitofatrachyticbeltwhichstandsoutdistinctlyinthemountainsystemoftheisland. Fromourstartingpointwecouldseethetwopeaksboldlyprojectedagainstthedarkgreysky;Icouldseeanenormouscapofsnowcominglowdownuponthegiant'sbrow. Wewalkedinsinglefile,headedbythehunter,whoascendedbynarrowtracks,wheretwocouldnothavegoneabreast.Therewasthereforenoroomforconversation. AfterwehadpassedthebasalticwallofthefiordofStapiwepassedoveravegetablefibrouspeatbog,leftfromtheancientvegetationofthispeninsula. ThevastquantityofthisunworkedfuelwouldbesufficienttowarmthewholepopulationofIcelandforacentury;thisvastturbarymeasuredincertainravineshadinmanyplacesadepthofseventyfeet,andpresentedlayersofcarbonizedremainsofvegetationalternatingwiththinnerlayersoftufaceouspumice. AsatruenephewoftheProfessorLiedenbrock,andinspiteofmydismalprospects,Icouldnothelpobservingwithinterestthemineralogicalcuriositieswhichlayaboutmeasinavastmuseum,andIconstructedformyselfacompletegeologicalaccountofIceland. Thismostcuriousislandhasevidentlybeenprojectedfromthebottomoftheseaatacomparativelyrecentdate. Possibly,itmaystillbesubjecttogradualelevation. Ifthisisthecase,itsoriginmaywellbeattributedtosubterraneanfires. Therefore,inthiscase,thetheoryofSirHumphryDavy,Saknussemm'sdocument,andmyuncle'stheorieswouldallgooffinsmoke. Thishypothesisledmetoexaminewithmoreattentiontheappearanceofthesurface,andIsoonarrivedataconclusionastothenatureoftheforceswhichpresidedatitsbirth. Iceland,whichisentirelydevoidofalluvialsoil,iswhollycomposedofvolcanictufa,thatistosay,anagglomerationofporousrocksandstones. Beforethevolcanoesbrokeoutitconsistedoftraprocksslowlyupraisedtotheleveloftheseabytheactionofcentralforces. Theinternalfireshadnotyetforcedtheirwaythrough. Butatalaterperiodawidechasmformeddiagonallyfromsouth–westtonorth–east,throughwhichwasgraduallyforcedoutthetrachytewhichwastoformamountainchain. Noviolenceaccompaniedthischange;thematterthrownoutwasinvastquantities,andtheliquidmaterialoozingoutfromtheabyssesoftheearthslowlyspreadinextensiveplainsorinhillockymasses. Tothisperiodbelongthefelspar,syenites,andporphyries. Butwiththehelpofthisoutflowthethicknessofthecrustoftheislandincreasedmaterially,andthereforealsoitspowersofresistance. Itmayeasilybeconceivedwhatvastquantitiesofelasticgases,whatmassesofmoltenmatteraccumulatedbeneathitssolidsurfacewhilstnoexitwaspracticableafterthecoolingofthetrachyticcrust. Thereforeatimewouldcomewhentheelasticandexplosiveforcesoftheimprisonedgaseswouldupheavethisponderouscoveranddriveoutforthemselvesopeningsthroughtallchimneys. Hencethenthevolcanowoulddistendandliftupthecrust,andthenburstthroughacratersuddenlyformedatthesummitorthinnestpartofthevolcano. Totheeruptionsucceededothervolcanicphenomena. Throughtheoutletsnowmadefirstescapedtheejectedbasaltofwhichtheplainwehadjustleftpresentedsuchmarvellousspecimens. Weweremovingovergreyrocksofdenseandmassiveformation,whichincoolinghadformedintohexagonalprisms. Everywherearounduswesawtruncatedcones,formerlysomanyfierymouths. Aftertheexhaustionofthebasalt,thevolcano,thepowerofwhichgrewbytheextinctionofthelessercraters,suppliedanegresstolava,ashes,andscoriae,ofwhichIcouldseelengthenedscreesstreamingdownthesidesofthemountainlikeflowinghair. SuchwasthesuccessionofphenomenawhichproducedIceland,allarisingfromtheactionofinternalfire;andtosupposethatthemasswithindidnotstillexistinastateofliquidincandescencewasabsurd;andnothingcouldsurpasstheabsurdityoffancyingthatitwaspossibletoreachtheearth'scentre. SoIfeltalittlecomfortedasweadvancedtotheassaultofSnaefell. Thewaywasgrowingmoreandmorearduous,theascentsteeperandsteeper;theloosefragmentsofrocktrembledbeneathus,andtheutmostcarewasneededtoavoiddangerousfalls. Hanswentonasquietlyasifhewereonlevelground;sometimeshedisappearedaltogetherbehindthehugeblocks,thenashrillwhistlewoulddirectusonourwaytohim. Sometimeshewouldhalt,pickupafewbitsofstone,buildthemupintoarecognisableform,andthusmadelandmarkstoguideusinourwayback. Averywiseprecautioninitself,but,asthingsturnedout,quiteuseless. Threehours'fatiguingmarchhadonlybroughtustothebaseofthemountain. ThereHansbiduscometoahalt,andahastybreakfastwasservedout. Myuncleswallowedtwomouthfulsatatimetogetonfaster. But,whetherhelikeditornot,thiswasarestaswellasabreakfasthourandhehadtowaittillitpleasedourguidetomoveon,whichcametopassinanhour. ThethreeIcelanders,justastaciturnastheircomradethehunted,neverspoke,andatetheirbreakfastsinsilence. WewerenowbeginningtoscalethesteepsidesofSnaefell. Itssnowysummit,byanopticalillusionnotunfrequentinmountains,seemedclosetous,andyethowmanywearyhoursittooktoreachit! Thestones,adheringbynosoilorfibrousrootsofvegetation,rolledawayfromunderourfeet,andrusheddowntheprecipicebelowwiththeswiftnessofanavalanche. Atsomeplacestheflanksofthemountainformedananglewiththehorizonofatleast36degrees;itwasimpossibletoclimbthem,andthesestonycliffshadtobetackedround,notwithoutgreatdifficulty. Thenwehelpedeachotherwithoursticks. Imustadmitthatmyunclekeptasclosetomeashecould;heneverlostsightofme,andinmanystraitshisarmfurnishedmewithapowerfulsupport. Hehimselfseemedtopossessaninstinctforequilibrium,forheneverstumbled. TheIcelanders,thoughburdenedwithourloads,climbedwiththeagilityofmountaineers. TojudgebythedistantappearanceofthesummitofSnaefell,itwouldhaveseemedtoosteeptoascendonourside. Fortunately,afteranhouroffatigueandathleticexercises,inthemidstofthevastsurfaceofsnowpresentedbythehollowbetweenthetwopeaks,akindofstaircaseappearedunexpectedlywhichgreatlyfacilitatedourascent. Itwasformedbyoneofthosetorrentsofstonesflungupbytheeruptions,called'sting'bytheIcelanders. Ifthistorrenthadnotbeenarrestedinitsfallbytheformationofthesidesofthemountain,itwouldhavegoneontotheseaandformedmoreislands. Suchasitwas,itdidusgoodservice.Thesteepnessincreased,butthesestonestepsallowedustorisewithfacility,andevenwithsuchrapiditythat,havingrestedforamomentwhilemycompanionscontinuedtheirascent,Iperceivedthemalreadyreducedbydistancetomicroscopicdimensions. Atsevenwehadascendedthetwothousandstepsofthisgrandstaircase,andwehadattainedabulgeinthemountain,akindofbedonwhichrestedtheconeproperofthecrater. Threethousandtwohundredfeetbelowusstretchedthesea. Wehadpassedthelimitofperpetualsnow,which,onaccountofthemoistureoftheclimate,isatagreaterelevationinIcelandthanthehighlatitudewouldgivereasontosuppose.Thecoldwasexcessivelykeen.Thewindwasblowingviolently.Iwasexhausted. TheProfessorsawthatmylimbswererefusingtoperformtheiroffice,andinspiteofhisimpatiencehedecidedonstopping. Hethereforespoketothehunter,whoshookhishead,saying: "Itseemswemustgohigher,"saidmyuncle. ThenheaskedHansforhisreason. "Mistour,"repliedtheguide. "JaMistour,"saidoneoftheIcelandersinatoneofalarm. "Whatdoesthatwordmean?"Iaskeduneasily. Ilookeddownupontheplain.Animmensecolumnofpulverizedpumice,sandanddustwasrisingwithawhirlingcircularmotionlikeawaterspout;thewindwaslashingitontothatsideofSnaefellwherewewereholdingon;thisdenseveil,hungacrossthesun,threwadeepshadowoverthemountain. Ifthathugerevolvingpillarslopeddown,itwouldinvolveusinitswhirlingeddies. Thisphenomenon,whichisnotunfrequentwhenthewindblowsfromtheglaciers,iscalledinIcelandic'mistour.' "Hastigt!hastigt!"criedourguide. WithoutknowingDanishIunderstoodatoncethatwemustfollowHansatthetopofourspeed. Hebegantocircleroundtheconeofthecrater,butinadiagonaldirectionsoastofacilitateourprogress. Presentlytheduststormfelluponthemountain,whichquiveredundertheshock;theloosestones,caughtwiththeirresistibleblastsofwind,flewaboutinaperfecthailasinaneruption. Happilywewereontheoppositeside,andshelteredfromallharm. Butfortheprecautionofourguide,ourmangledbodies,tornandpoundedintofragments,wouldhavebeencarriedafarliketheruinshurledalongbysomeunknownmeteor. YetHansdidnotthinkitprudenttospendthenightuponthesidesofthecone.Wecontinuedourzigzagclimb. Thefifteenhundredremainingfeettookusfivehourstoclear;thecircuitousroute,thediagonalandthecountermarches,musthavemeasuredatleastthreeleagues.Icouldstanditnolonger. Iwasyieldingtotheeffectsofhungerandcold. Therarefiedairscarcelygaveplaytotheactionofmylungs. Atlast,ateleveninthesunlightnight,thesummitofSnaefellwasreached,andbeforegoinginforshelterintothecraterIhadtimetoobservethemidnightsun,athislowestpoint,gildingwithhispaleraystheislandthatsleptatmyfeet.