Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at Earth's surface, followed by cementation. Sedimentation is the collective name ...

How can we measure time more than 500 million years into the past? A study recently published in Nature Communications by researchers at the University of Lausanne presents a new geological "rock ...

Rocks store information from long ago. For instance, their composition can reveal the environmental conditions during their formation. This makes them extremely important in climate research. This led ...

Since soon after our planet formed, Earth's 4.6 billion-year-long history was dominated by single-celled life. Something dramatic happened about 500 million years ago called the Cambrian "explosion," ...

Stylolites — irregular seams that occur in limestone — have been found to affect how acoustic waves move through rock samples. Laboratory-based insights from KAUST researchers offer an improved ...

A 2.5-billion-year-old rock from South Africa's Gamohaan Formation. AI analysis suggests the dark structures preserved in the rock are the remains of a complex microbial community. Pairing ...

Jaganmoy Jodder received funding from the DSI-NRF Centre of Excellence (CoE) for Integrated Mineral and Energy Resource Analysis (CIMERA) and Genus DSI-NRF Centre of Excellence in Palaeosciences. Our ...

Geoscientists are using ancient chert rocks from the Pacific's Shatsky Rise to understand Earth's thermal history. Oxygen isotopes within these silica-rich rocks act as tiny thermometers, revealing ...

You would have a hard time finding these common Earth rocks on our neighboring planets. Here’s what makes our landscapes so unique. Limestone landscapes, like this one in the Stone Forest in China’s ...

Marcia Bjornerud sits in the basement of a soon-to-be-demolished building at Lawrence University in Appleton, Wis. The sole faculty member remaining in a depleted geology department, she sorts through ...