A company that wants to extract gold from piles of decades-old mining waste outside Leadville no longer plans to use cyanide in its processes after hearing concerns from locals about the toxic ...

Traditional methods, such as cyanidation, often fall short in extracting gold from these ores, leading to a growing interest in innovative pretreatment and recovery techniques. Recent research has ...

An assurance has been given that no cyanide will be used in the proposed mining of gold in Co Tyrone. Mining company Dalradian has applied to extract gold in the Sperrin Mountains. It has been ...

Campaigners say plan will damage environment while company says project could bring 1,000 jobs and deliver £5 billion to economy ...