Yooperlites are a variety of sodalite-rich syenite found in the Upper Peninsula of Michigan.

But instead of a brush, Picasso is using a light to “paint” his creation in midair ... not only the hundreds of millions of years represented by rock formations but also the brief spell ...

Artistic community members can swing by the Atascadero Lake to see a growing snake made of painted rocks. A member of a Facebook group called 'SLO PAINTED ROCKS' painted a snakehead on a rock and ...

But with controlled temperatures of around 700 degree Celsius, the material transformed into a vivid red — the same bright colour as the red of the rock painting. Samples of the lake bacteria ...