SEDIMENTARY GEOLOGY: Homegrown Quartz Muddies the Water.
Mudstones are an important source of hydrocarbons that migrate into petroleum deposits, and they can reveal much about Earth's history--if they are read correctly. Now a team of geologists has found that a telling feature of many mudstones may have been misinterpreted, throwing into question conclusions about everything from climate to ocean currents.
Stokstad
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