Metamorphic rocks are more than beautiful patterns in stone—they’re nature’s archives, recording the pressures, temperatures, and forces that shaped our planet over millions of years. From the banded ...

An interdisciplinary team from Florida State University's Department of Earth, Ocean, and Atmospheric Science has uncovered ...

For millions of years, Earth’s rocks may have emitted stored carbon and sulfur gases, slowly altering the climate and ...

If Earth's history were a calendar year, humans would not appear until the last few minutes before midnight on Dec. 31. During the Proterozoic Eon—2.5 billion years to 543 million years ago—the sun ...

Igneous and metamorphic petrology examines how Earth’s lithosphere evolves through melt generation, solidification and solid‐state transformation. Igneous petrology addresses the origin of magmas by ...

Metamorphic rocks record the transformation of protoliths under varying pressures, temperatures and fluid compositions. Mineral assemblages such as garnet, staurolite and kyanite define metamorphic ...