Unlike individuals, you can’t really guess the chronilogical age of a rock from taking a look at it. Yet, you’ve heard the headlines: Earth is 4.6 billion yrs . old. Dinosaurs disappeared about 65 million years back.
How can boffins really understand these many years? Geologic age dating—assigning an age to materials—is a whole control of the very very very own. You might say this field, called geochronology, is a few of the purest detective work earth researchers do. Continuar leyendo «Geologic Age Dating Revealed. That corn cob present in an old indigenous US fireplace is 1,000 yrs . old.»