Yooperlites are a variety of sodalite-rich syenite found in the Upper Peninsula of Michigan.

Microbes have been discovered alive inside 2-billion-year-old rock, offering a rare window into Earth’s deep past. Found in ...

Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

Books Received Published: 02 July 1914 Igneous Rocks and their Origin Nature 93, 449–450 (1914) Cite this article ...

Places such as Purgatory Chasm and Millstone Hill, in Worcester's Green Hill Park, bear witness to the work of the glaciers.

Books Received Published: 03 July 1926 The Petrology of the Igneous Rocks Nature 118, 8 (1926) Cite this article ...

"We identified the project as a very interesting high impact, low-cost niobium opportunity and look forward to quickly ...

To answer these questions, it is easiest to start with the amount of gold that humans have mined to date. The U.S. Geological ...

Sedimentary rock is comprised of sediment, as the name suggests. Over time, tiny minerals, sand, rocks, and debris layer on top of one another, with the pressure of the layers of ...

Yao can adjust pore size and the rate at which he injects the CO 2 gas. A camera takes a picture every 30 seconds during the six-hour duration of each experiment. The results from the laboratory ...

A belt of swirly, stripey rock in the northeast reaches of Canada looks like it contains some of the oldest minerals ever ...

Drill hole ALT-25-011 is the final hole of the Phase 1 Alotta 2025 drill program. The drill hole was collared approximately ...