Some scientists think the Great Unconformity was caused by Snowball Earth’s glaciations. Recent work suggests these phenomena might not be related.
geology
Posted inNews
A Day in the Life Used to Be 17 Hours
The Moon was a lot closer to Earth 2.46 billion years ago, and the shorter distance contributed to shorter days.
Posted inEditors' Highlights
Why is the North China Craton Vulnerable to Destruction?
A new study suggests that carbonatite metasomatism, not silicate metasomatism as previously thought, was dominant prior to the removal of the North China Craton in the early Cretaceous.
Posted inNews
A Mysterious Dome Reveals Clues to Australia’s Miocene History
The Nullarbor Plain has been relatively untouched by geological forces, leaving traces of the continent’s deep past.
Posted inNews
Unraveling the Mystery of a Rare Mineral on Mars
The discovery of tridymite in Mars’s Gale Crater triggered debate about the rare mineral’s origins. A research team recently suggested a scenario with explosive implications.
Posted inNews
Satellite Images Reveal a New View of Ancient Earth’s Rivers
A new method shows a key relationship between the width and makeup of Earth’s river channels over time. The technique could be applied to other terrestrial bodies, such as Mars.
Posted inFeatures
Vashan Wright: A Champion for DEI in the Geosciences
While studying tectonic plates and sand, Wright works on a program to make the geosciences more equitable.
Posted inNews
Sorting Minerals Differently Could Usher a New Era for Mineralogy
Grouping minerals by how they were formed yields insights into our planet’s evolution across billions of years.
Posted inEditors' Vox
JGR: Planets Author Aboard the International Space Station
NASA Astronaut and planetary geologist Dr. Jessica Watkins recently published her post-doctoral Mars research in JGR: Planets, just prior to heading to the International Space Station.
Posted inNews
Holey Eclogite!
Scientists have found holes filled with minerals that indicate fluid-filled pores exist many tens of kilometers below Earth’s surface. But no, The Core fans, you still can’t get amethyst-laden geodes in the mantle.