Scientists recently unveiled the nation's newest "oldest known" rock — discovered in Michigan's Upper Peninsula. Michigan, Minnesota and Wisconsin all feature ancient rocks known as gneisses — ...
Add Yahoo as a preferred source to see more of our stories on Google. Scientists recently unveiled the nation's newest "oldest known" rock — discovered in Michigan's Upper Peninsula. Michigan, ...
High in the Canadian wilderness, Smithsonian scientists search for ancient minerals that could explain the origins of the continents, oceans and life on Earth Emma Saaty NMNH research geologist ...
What we know today as Sabino Canyon was the site of a whole lot of scrunching 25 million years ago. In a geologic nutshell: Two ancient types of rock - 1.4-billion-year-old Oracle granite and ...
Some of the Earth’s oldest rocks may have formed from the high temperatures of meteorite impacts, a new study reports. Granite-like, or felsic, rocks in northwest Canada dating back to the Earth’s ...
Oldest North Cascades bedrock, a 400-million-year-old tale from European origins. The oldest bedrock in all of the North Cascades sits high in the mountains near the Canadian border. Its origin story ...
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