Attheeasternendthesehillshavecuriousfungoidorcup-shapedhollows,ofasizewhichsuggeststheideaofcratersWithinthesearemassesoftherockcrystallizedinthecolumnarformofthisformation。
Thetopsofthecolumnsarequitedistinct,ofthehexagonalform,likethebottomofthecellsofahoneycomb,buttheyarenotpartedfromeachotherasintheCaveofFingalInmanypartsthelava-streamsmayberecognized,fortheretherockisrentandsplitineverydirection,butnosoilisyetfoundintheintersticesWhenweweresittingintheevening,afterahotday,itwasquitecommontohearthesemassesofbasaltsplitandfallamongeachotherwiththepeculiarringingsoundwhichmakespeoplebelievethatthisrockcontainsmuchironSeverallargemasses,insplittingthusbythecoldactingsuddenlyonpartsexpandedbytheheatoftheday,haveslippeddownthesidesofthehills,and,impingingagainsteachother,haveformedcavitiesinwhichtheBakaatookrefugeagainsttheirenemies。
Thenumerouschinksandcranniesleftbythesehugefragmentsmadeitquiteimpossiblefortheirenemiestosmokethemout,aswasdonebytheBoerstothepeopleofMankopane。
Thismassofbasalt,aboutsixmileslong,hastilteduptherocksonboththeeastandwest;theseupheavedrocksaretheancientsilurianschistswhichformedthebottomofthegreatprimaevalvalley,and,likealltherecentvolcanicrocksofthiscountry,haveahotfountainintheirvicinity,namely,thatofSerinane。
InpassingthroughthesehillsonourwaynorthweenterapassnamedManakalongwe,orUnicorn’sPassTheunicornhereisalargeediblecaterpillar,withanerect,horn-liketail。
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