The Guinness World Record for the oldest Earth rock is currently held by the Nuvvuagittuq greenstone belt, which is listed as ...

A strange rock covered in tiny spheres may hold secrets to Mars’ watery — or fiery — past.

Modern continental rocks carry chemical signatures from the very start of our planet's history, challenging current theories about plate tectonics.

These geochronological data can be applied to a variety of problems in igneous and metamorphic petrology ... along with supporting rock preparation, mineral separations, and optical & electron beam ...