Kungani iGrand Canyon iyindaba enkulu kangaka?
Context:IGrand Canyon iyisigodi somfula eColorado Plateau eveza izingqimba eziphakeme zeProterozoic nePaleozoic, futhi ingenye yezingxenye eziyisithupha ezihlukile ze-physiographic zesifundazwe saseColorado Plateau. Nakuba kungeyona i-canyon ejulile kunazo zonke emhlabeni (i-Kali Gandaki Gorge eNepal ijulile kakhulu), iGrand Canyon yaziwa ngobukhulu bayo obuhlaba umxhwele nangobuhle bayo obuyinkimbinkimbi nobunemibalabala. Ngokwezwe, kubalulekile ngenxa yokulandelana okuqinile kwamadwala asendulo alondolozwe kahle futhi avezwe ezindongeni zomgodi. Lezi zingqimba zamadwala zibhala ingxenye enkulu yomlando wokuqala womhlaba wezwe laseNyakatho Melika.
Nakuba iGran Canyon ingeyona i-canyon ejule kunazo zonke emhlabeni, ibaluleke kakhulu ngokwemvelo ngenxa yezendlalelo zayo zamadwala ezivulekile kodwa ezilondolozwe kahle. Izendlalelo zamadwala zibhala ingxenye enkulu yomlando wokuqala womhlaba wezwekazi laseNyakatho Melika