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Use "geological" in a sentence
"We've only been collecting data on world climate for maybe 100 years; a moment in geological terms."
"“[T] he formation within geological time of a human body,” Kurt Gödel remarked in conversation with Hao Wang, “by the laws of physics (or any other laws of similar nature), starting from a random distribution of elementary particles and the field, is as unlikely as the separation by chance of the atmosphere into its components.”"
"Shale gas is trapped in geological shale formations and previously had been very difficult to extract."