Latest Acasta Gneiss Stories
PhD student's studies of four-billion-year-old rocks show ancient crust generated in an Iceland-like setting.
A strip of bedrock located in the eastern area of Canada's Hudson Bay was discovered to have the oldest rocks on Earth, said scientists on Thursday. The rocks were formed about 4.28 billion years ago, shortly after the planet was created. It might even contain evidence of movement by ancient creatures.
- To swell, as grain or wood with water.