Researchers have dated volcanic layers at six fossil-bearing sites in Turkey, including one known as Taşhan (shown). The ...

In these, gold occurs in veins alongside quartz and sulfides within the rock. This alteration is shown by the presence of ...

Acron has commenced underground mining operations at the Talitsky section of the Verkhnekamsk potash and magnesium salt deposit in Perm Territory, the company said. "As part of preparations for the ...