In the production and construction process of a slowly inclined composite coal seam surface mine in China, the problem of coal compression by the non-working slope is common, but the research on coal ...

In 2023, tensions escalated in Las Naves, Ecuador, where farmers clashed with police during protests against a new environmental consultation process and the upcoming launch of a large-scale open-pit ...

High-precision 3D coal seam models are crucial for refined mining design and precise production in open-pit coal mining. However, due to limitations like sparse initial data and challenges in ...

A strip ratio, or stripping ratio, is an important measurement related to the open-pit mining process. Put simply, the stripping ratio is the amount of waste material, also known as overburden, that ...

Pre-tax Net Present Value ("NPV8%") of US$2.4B with an Internal Rate of Return ("IRR") of 35% and after-tax NPV8% US$1.6B with an IRR of 27%. 19-Year open-pit mine life with an average concentration ...