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

The image above shows a rather unusual texture alongside more normal-looking laminated rocks. Just compare the small, brighter block in the foreground with the darker bigger rock in the center of the ...

These rocks crop out as belts of supracrustal rocks elongated ... These CL images revealed oscillatory zoning (igneous texture) in zircon crystals, core and edge structures related to inherited core ...