DID YOU KNOW? The Geologic Time Scale is a timeline that records Earth’s history, dividing it into eons, eras, periods, and epochs. It helps geologists understand when major events like mountain building, mass extinctions, and the rise of life occurred. Follow Geomark Geoscience Education for more fascinating geological insights and discoveries. #Geology #EarthHistory #ScienceFacts | Geomark Geoscience Education

How do scientists know what they know about geological time?🤔🔬 Let's talk about the very beginning of geologic time. What are the odds that earth would feature little indestructible minerals called zircons to help with dating? What a world! #paleontology #geology #HMNS #zircon #learning | Houston Museum of Natural Science