ANCIENT rock carvings etched over 200,000 years ago could be the oldest ever uncovered, archaeologists believe. The exciting ...

Right: OH-defects in young (0.3 Gyr) Variscan granites are one order of magnitude higher than in old (0.9-1.8 Gyr) Proterozoic granites from Scandinavia . The OH-content is reflected in recent ...

Researchers working in Marbella have uncovered a gabbro rock carving of manmade lines that could date to 200,000 years ago.

Pure quartz, or “rock crystal” from Brazil. Source: Didier Descouens, CC BY-SA 4.0 Pick up a rock almost anywhere on Earth and chances are pretty good that there’s at least some quartz in it.

Birmingham based QUARTZ (a hard rock/heavy metal band) are still "around and around" and amazingly the band boasts three of ...

The “quartz-monitor” research project investigates the intrinsic chemical variations of detrital monocrystalline quartz and inclusions (mineral and melt) as an innovative sediment provenance tool. The ...

We're after pure gold, but rock that contains gold also includes lots of other materials such as quartz, calcite, and the sulfides of other metals. Since we need to separate the gold from the rest ...