A Billion Years Missing From Geologic Record

A Billion Years Missing From Geologic Record
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The geologic record is exactly that: a record. The strata of rock tell scientists about past environments, much like pages in an encyclopedia. Except this reference book has more pages missing than it has remaining. So geologists are tasked not only with understanding what is there, but also with figuring out what’s not, and where it went. One omission in particular has puzzled scientists for well over a century. First noticed by John Wesley Powell […]

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