1. The lower rocks in the Muav limestone are 505 million years old. The upper rocks in the Redwall limestone are 340 million years old. What could explain the gap?
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The gap in age between the lower rocks in the Muav limestone and the upper rocks in the Redwall limestone could be explained by a period of erosion, tectonic activity, or non-deposition. These processes could have resulted in the removal or absence of sediments or rock layers that would have occupied the time interval between the two limestone formations.