The team published its findings in the Proceedings of the National Academy of Science. The team studied the mineral zircon from two of the oldest pieces of intact crust—dating 4.0 to 2.7 billion ...
Find out more about how we test. This review first appeared in issue 361 of PC Pro. Zircon is a gemstone not to be confused with the synthetically produced cubic zirconia. Instead, it’s a ...
Results that may be inaccessible to you are currently showing.