A Billion Years of History Is Missing from the Grand Canyon
The Grand Canyon is like a history book of the Earth, where you can travel back in time just by looking at the rock layers. But here’s the mystery: one billion years' worth of rocks has vanished without a trace! It's called the "Great Unconformity" and it has baffled scientists for over 150 years. Some scientists think that the rocks were washed away into the ocean during the violent breakup of Earth's ancient supercontinent. But was it really so? And does the Grand Canyon have any other secrets waiting to be uncovered?
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Havasupai…
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