Rodinia was a supercontinent that included nearly all of Earth’s landmasses for about 450 million years during the ...

While many rocks don’t burn, some of them do. It depends on what the rocks are made of – and that’s related to how they were formed. Rocks that burn when they get heated up are combusting ...

The oldest rocks on Earth formed more than 3 billion years ago, and are found in the cores of most modern continents. However, geologists still cannot agree how or why they formed.

They are described in a study published June 26 in the journal Science. Earth’s early days–and rocks Earth was a ball of molten lava when it first formed about 4.5 billion years ago.

Geologists from the University of Hong Kong (HKU) have made a breakthrough in understanding how Earth's early continents formed during the Archean time, more than 2.5 billion years ago. Their ...

The oldest rocks on Earth formed more than 3 billion years ago, and are found in the cores of most modern continents. However, geologists still cannot agree how or why they formed.

A team of researchers has confirmed that northern Quebec, Canada, is home to the oldest known rocks on Earth, dating back 4.16 billion years. This discovery opens a unique window on the early Earth.

The rocks tested in the new study were called intrusions. That means they formed when magma - molten rock - penetrated existing rock layers and then cooled and solidified underground.