Studies have revealed that the MIA crust was likely stripped away by ... Petersson asserted, "The zircon crystals we found in river sand and rocks from Finland have signatures that point towards ...

Scientists discovered Earth's first crust had continental chemical signatures. This challenges beliefs about when these ...

The study also provides a new approach to solving one of the biggest enduring scientific mysteries: when did plate tectonics begin?

New research suggests that Earth's first crust, formed over 4.5 billion years ago, already carried the chemical traits we ...