Geology often gets a bad rap as the boring study of rocks and minerals. I’m hear to show you otherwise. Geology is a high-octane window into Earth’s vibrant, often violent history. Every rock tells a ...

Outcrops in the Thurston Island area of West Antarctica consist primarily of plutonic rocks that range in composition from gabbro to granite and yield isotopic dates from 347 to 97 Ma. They intrude ...

Sedimentary rocks are made up of pieces of older rocks (igneous, metamorphic, and sedimentary) and organic remains (shells, bone, etc.). When rocks break apart from erosion they are transported by ...

Scientists on NASA's Perseverance mission made a surprising discovery about the composition of rock in Jezero Crater, one that will help them get a better idea of when water existed on Mars, and ...

THE closing years of the nineteenth century witnessed a revival of interest in the petrology of gneous rocks, which must be regarded as marking an important stage in the development of that subject.

The Journal of Geology, Vol. 46, No. 3, Part 2 (Apr. - May, 1938), pp. 505-520 (16 pages) A modified variation diagram for plotting groups of chemical analyses of ...

Most of the time, the shape of Earth’s magnetic field is quite similar to that which would be produced by a bar magnet ...

In my last column, I wrote about the locations where you can find igneous rocks that were formed from lava. The metarhyolite and metabasalt described in the column are known as extrusive rocks, those ...

Rare rocks buried deep in central Australia have revealed how a valuable niobium deposit formed during the breakup of an ...

The city’s architecture travels through time and continents, incorporating everything from slabs of the Italian Alps to meteorites that hit southern Africa 2bn years ago ...