A combined team of geochemists from Woods Hole Oceanographic Institution and California Institute of Technology has found evidence of high levels of helium-3 in rocks on Baffin Island—possible evidence that the Earth's ...
Sifting through diamond exploration samples from Baffin Island, Canadian scientists have identified a new remnant of the North Atlantic craton—an ancient part of Earth's continental crust.
Earth Sciences
Mar 20, 2020
13
4697
From a boardwalk overlooking Chicago's deserted Ohio Street Beach in the throes of winter, it's not hard to imagine the last ice age. A blanket of fresh snow covers the shoreline and pale blue ice glazes over Lake Michigan ...
Earth Sciences
Mar 4, 2019
0
9
Glacial retreat in the Canadian Arctic has uncovered landscapes that haven't been ice-free in more than 40,000 years and the region may be experiencing its warmest century in 115,000 years, new University of Colorado Boulder ...
Earth Sciences
Jan 25, 2019
30
5767
A new study by Brown University researchers shows that the Dorset and Thule people—ancestors of today's Inuit—created spun yarn some 500 to 1,000 years before Vikings arrived in North America. The finding, made possible ...
Archaeology
Aug 21, 2018
0
387
Working from a small boat on the choppy lake waters in northern Canada, Sarah Crump, a paleoclimatologist, pulls up a 5-foot mud core sample from the undisturbed lakebed. Crump and her research team work with a sense of urgency. ...
Environment
Oct 19, 2017
0
12
To interpret what we see today both on land and at the seabed, we need to understand how the landscape was different in the past. When we say "past," we mean on a geologic timeframe—specifically, about 10,000 to 20,000 ...
Earth Sciences
Sep 19, 2017
0
8
New research from UBC mineralogists could make it easier to find high-quality Canadian sapphires, the same sparkling blue gems that adorn Queen Elizabeth II's Sapphire Jubilee Snowflake Brooch.
Earth Sciences
Jul 27, 2017
1
15
The last piece of the ice sheet that once blanketed much of North America is doomed to disappear in the next several centuries, says a new study by researchers at Simon Fraser University in British Columbia and the University ...
Earth Sciences
Mar 20, 2017
5
57
New work from a team including Carnegie's Hanika Rizo and Richard Carlson, as well as Richard Walker from the University of Maryland, has found material in rock formations that dates back to shortly after Earth formed. The ...
Earth Sciences
May 12, 2016
1
58
