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Ancient Scottish Salamander is 14 Million Years Older Than Previously Thought

Remains of this key transitional species date to a mysterious "black hole" in the fossil record. read more

Radiometric Revelations and Indigenous Stewardship at Earth’s 4.16-Billion-Year-Old Geological Frontier

Rocks are books for geologists and right now we’re missing the book (on the Hadean). The Nuvvuagittuq Greenstone Belt would be at least one page of that book, so that’s why it’s so important,” said ... read more

Ancient Rocks in Canada Are Almost as Old as the Earth Itself

Rocks older than 4.03 billion years could shed light on Earth's earliest geological history, but they're incredibly rare. read more

Scientists Find Rocks Dating Back to 4.16 Billion Years In Canada — The World's Oldest Ever

A study of the Nuvvuagittuq Greenstone Belt found that its rocks go back to the Hadean Eon, making them the ideal candidate for the oldest rock. read more

Evolution: Library: Radiometric Dating - PBS

Radiometric Dating: Geologists have calculated the age of Earth at 4.6 billion years. But for humans whose life span rarely reaches more than 100 years, how can we be so sure of that ancient date? read more

Earth’s oldest rocks date back 4.16 billion years

Gray rocks uncovered in northern Nunavik, Quebec, Canada may be the ultimate primordial find. The stones date back 4.16 billion years to the Hadean era and are the oldest known rocks on the planet. read more

Scientists discover oldest rocks on Earth, over 4.16 billion years old

A groundbreaking discovery in northern Quebec has confirmed the existence of Earth's oldest known rocks, dating back 4.16 billion years. These ancient ... read more

Radiometric Dating - Kotaku

All the Latest Game Footage and Images from Radiometric Dating A visual novel/dating simulator where you can date rocks! You play as a geology student who gets transported to a magical world ... read more

How we know the ages of rocks and Earth - Astronomy Magazine

Radiometric dating is one way we can accurately measure how old things are, including ages of rocks billions of years old. Skip to content. Introducing the all-new Astronomy.com Forum! read more

How did volcanism trigger climate change before the eruptions started?

Radiometric dating would circumvent those uncertainties. But until about 15 years ago, its dates had such large errors that they were useless for addressing questions like the timing of the MCO. read more