Zircons: Time Capsules from the Early Earth
grrlscientist | July 19, 2010tags: Zircons: Time Capsules from the Early Earth, science bulletins, geology, AMNH, American Museum of Natural History, hadean eon, zircon, rocks, age of the earth, history of planet earth, streaming video
Zircons are tiny crystals with a big story to tell. Some of these minerals are the oldest Earth materials ever discovered, and therefore yield clues about what the planet was like after it formed 4.5 billion years ago. In this new Science Bulletins video, travel to a remote island off Greenland's coast and a zircon-making lab in New York State to learn how geologists are using these time…