Led by Curtin University geologists Chris Kirkland and Tim Johnson, a research team unearthed this primeval crater beneath ...

making them the oldest Earth materials ever found. Zircon crystals are durable; they can survive even when the rocks around them are destroyed, eroded or recycled back into Earth's middle layer.

This week, geologists announced they discovered the world's oldest known impact crater. It's in Western Australia's ancient ...

The oldest rocks on Earth formed more than 3 ... Our first target was an unusual layer of rocks known as the Antarctic Creek Member, which crops out on the flanks of a dome some 20 kilometers ...

undisturbed volcanic rock 3,850 million years old lies atop sedimentary rock. Within this deeper (and older) layer are minerals that contain telltale signs of past biological activity: carbon ...

Geologists have discovered the world's oldest known impact crater; it sits in the heart of Western Australia's ancient Pilbara region. An analysis of rock layers in the region suggests a crater at ...