Glencore (GLEN.L), opens new tab on Thursday reported lower copper, cobalt, zinc, nickel and thermal coal production in 2024, in line with guidance. The company said it produced 951,600 metric tons of copper in 2024, down 6% from 1.01 million tons in ...

Introduction Accurate prediction of mineral grades is a fundamental step in mineral exploration and resource estimation, which plays a significant role in the economic evaluation of mining projects. Currently available methods are based either on geometrical approaches or geostatistical techniques ...

Introduction In open pit mining rotary core drilling is the most widely used method of subsurface investigation. For pit slope design, it helps determine within acceptable levels of confidence the geotechnical relationships and engineering properties of the rocks that will ...

President Donald Trump’s vow of tariffs on U.S. copper and aluminium imports would result in higher costs for local consumers because of a shortfall of domestic production and the length of time it would take to renew the industry, analysts ...

This article was written by (Gandhi & Sarkar, 2016) Sampling is subject to certain limitations due to two types of errors: (1) random and (2) systematic. The random errors tend to cancel out each other, whereas the systematic error accumulates ...