Iceland is one of the most active volcanic regions in the world, but its seismic nature is part of a much broader geological ...

The coarse to medium grained igneous rocks can be classified as intrusive rocks and are formed by a slower cooling of magma as compared to the medium to fine grained igneous rocks reported in Nahhas ...

From sugar plantations in Brazil to tea estates in India, crushed rock is being sprinkled across large stretches of farmland ...

Sedimentary rock is comprised of sediment, as the name suggests. Over time, tiny minerals, sand, rocks, and debris layer on ...

When NASA’s Perseverance rover touched down in Jezero Crater in 2021, scientists expected to find rocks laid down by an ...

Glossary for the Curious. Gneiss: A type of metamorphic rock formed under intense heat and pressure.; Zircon: A tiny mineral that can trap radioactive uranium, allowing scientists to measure how long ...

Yooperlites can be found as loose pebbles and cobbles along many Lake Superior beaches and even in some inland gravel pits. The stones are derived from igneous rocks near Marathon, Ontario , known as ...

Sodalite forms in igneous rocks that crystallized from sodium-rich, silica-poor magmas. That’s how it got its name—soda + lithos, or “sodium stone," according to Rock Your World gem & art ...