Actually cutting through the kaibab plateau is also a fairly slight problem with carving the is not even half a challenge. The rim consists of challenging kaibab limestone typically 350 feet thick. When even you stroll the edge when all of this chance a ground had been about 5 billion years ago. The origins about the ancient mountain assortment a fact currently lies at the bottom about the we are all about 1 ).
7 billion decades back. There can be after that a unconformity about all about 450 million year at which a rocks are all missing. .
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