To understand the environment in which they formed, a researcher has spent three years of his life studying ancient rock samples from Acasta Gneiss Complex in the Northwest Territories. Lead author Jesse Reimink said the timing and mode of continental crust formation throughout Earth's history is a controversial topic in early Earth sciences. Reimink said continents today form when one tectonic plate shifts beneath another into the Earth's mantle and ...
via Medindia Health News
More READ 
Lake forest health and fitness http://ift.tt/1n0nCzC
No comments:
Post a Comment