The word "geologic" refers to anything related to or involving the study of the Earth's structure, history, and processes that have shaped its surface over millions of years. Full definition
With this method, which uses specific types of fossils to determine the age of the layers that hold them, evolution itself becomes a marker of geologic time in the rocks. (discovermagazine.com)
«It's one of those decisions,» McKibben said, «that will be recorded in geologic time.» (thenation.com)
What's your process to arrive at your absolute faith in the unlikely conclusion (based on hundreds of thousands of years of geologic records) that we're all going to be simmering soon? (globalclimatescam.com)