THE Andean Mountain system in Peru has experienced extensive igneous activity, a significant portion of which was intrusive. A principal feature of this part of the Andes is the coastal batholith ...

Surface rock samples have returned values ranging from 0.75 g/t to 13.4 g/t Au within a silicified, pyrite rich monzonite ...

Field verification of both the "Stingray" and "Camp" targets is scheduled for next season whereby geologists will endeavour to confirm the presence of the targeted hornfels and/or intrusive suites ...

That sculpted the rock, giving it the shape we can see today. ISLA: That’s right. It’s also an igneous intrusive feature, just like them. The rock they’re made of is called phonolite - also ...