The Coconino Sandstone, famously exposed near the top of Grand Canyon’s splendid sedimentary layers, remains a controversial rock. Two counterclaims vie for its origin. If wind formed the Coconino’s now-hardened sand dunes, then the whole region must have been dry land exposed to the air—unlike the Bible’s portrayal of a worldwide Flood. But if water formed the Coconino’s features, then the whole region must have lai… More…
Source: icr.org
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