Introduction The scale of operation significantly impacts unit mining costs, primarily through the principle of economies of scale. In essence, as the size of a mining operation increases, the cost to produce each unit (e.g., a tonne of ore or an ounce of a mineral) tends to decrease. However, this relationship is not limitless and […]

This article was originally written by (Ram Chandar et al., 2022). Concrete is one of the most basic and critical components for any type of construction and plays an important role in building the nation’s infrastructure. Concrete is a composite material which is composed of coarse and fine aggregates embedded in a matrix and bound […]

This article was originally written by (Ram Chandar et al., 2022). Waste rock and mine tailings are extensively used in the backfilling of underground mined out areas; this could help in decreasing the amount of land used for mining activity and reduce the environmental impact (Lu & Cai, 2012). The process of back filling involves […]

Wia Gold Limited (ASX: WIA) (Wia or the Company) is pleased to announce the completion of a Scoping Study (or Study) for the 2.93 Moz Kokoseb Gold Project (Kokoseb or Project) in Namibia. The Study provides an evaluation of the technical and economic viability of developing Kokoseb into Namibia’s fourth modern gold mine. The Study […]

A fresh drilling phase has begun at Lotus Resources Limited’s Letlhakane Uranium Project in Botswana. The purpose of this drilling is to improve the current Mineral Resource Estimate and produce metallurgical test samples for a Pre-Feasibility Study that is planned for the second half of 2026. Highlights Infill drilling has commenced at Lotus’ world-class Letlhakane […]

China and Malaysia are in early talks for a project to process rare earths, with sovereign wealth fund Khazanah Nasional likely to partner with a Chinese state-owned firm to build a refinery in the Southeast Asian nation, people familiar with the matter said. If the joint venture takes shape, it would represent a significant policy […]

The Gladstone Power Station (GPS) Joint Venture confirms that CS Energy has formally notified the Australian Energy Market Operator (AEMO) of the potential retirement of GPS in March 2029, aligning with the expiry of existing supply and operational arrangements. The notification ensures compliance with the National Electricity Rules to provide notice of closure of electricity […]

Goldman Sachs lowered on Thursday its global copper mine supply forecast for 2025 and 2026 following a disruption at Indonesia’s Grasberg, the world’s second-largest copper mine. The incident, which occurred on September 8, trapped workers underground due to heavy mud flow, prompting operator Freeport-McMoRan to declare force majeure. The bank estimates there will be a total loss […]

China, the world’s biggest copper smelter, is studying ways to strengthen regulation on the expansion of smelting capacity, a state news outlet said on Thursday, as record low processing fees have curbed profits. Chen Xuesen, vice chairman at the China Nonferrous Metals Industry Association, was quoted as telling a meeting on Wednesday that low concentrate […]

China’s net gold imports via Hong Kong in August fell 39.11% from July, Hong Kong Census and Statistics Department data showed on Thursday. WHY IT’S IMPORTANT As the world’s leading gold consumer, China’s purchasing activities can significantly influence global gold markets. The Hong Kong data may not provide a complete picture of Chinese purchases, as […]