THE direct formation of the crystalline schists from an aqueous magma is a notion which belongs to an early period in geological theory. De la Beche, in 1834,+ conceived that they were thrown down as ...

Earth is about 4.54 billion years old, but only a few rocks survive that were formed at the onset of the planet's history.

One spring day last year, Mark Longman was hiking around Castlewood Canyon State Park with questions that mounted with every boulder and rock wall he passed. A career geologist and longtime Denver ...

The research done at the Chinese Academy of Geological Sciences has shown that after geochemical experiments, the porosity of crystalline rocks in the middle crust increases sharply due to water-rock ...

The rocks were found in May 2020 in the Erg Chech sand sea, in the Sahara Desert in southern Algeria. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

A rover scanning the surface of Mars for evidence of life might want to check for rocks that look like pasta, researchers report. The bacterium that controls the formation of such rocks on Earth is ...

MUNISING, MI -- Nearly two decades ago, Michigan’s iconic Pictured Rocks changed its silhouette forever. On the morning of April 13, 2006 a fishermen witnessed the northeast turret of Miners Castle ...