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Forbes World's Billionaires List. The Richest in 2023. MINING & METALLURGY (Top 1-10): 

1. #24 Gautam Adani & family (India) - coal
2. #52 Gina Rinehart (Australia) - iron ore
3. #54 German Larrea Mota Velasco & family (Mexico) - copper, molybdenum, silver, coal
4.  #56  Low Tuck Kwong (Indonesia) - coal
5. #58 Andrey Melnichenko (Russia) -  baddeleyite concentrate, apatite concentrate, iron  concentrate, phosphate fertilizers,  feed phosphates, potash fertilizers, coal
6. #62 Vladimir Potanin (Russi

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✅ Cost Estimation Handbook for Small Placer Mines by Bureau of Mines 1987. By Scott A. Stebbins. ✅ This report has been written to aid those involved with placer mining in the estimation of costs to recover valuable minerals from placer deposits. It relies on the principle that cost estimates will be representative only if calculated for technically feasible mining operations. Because the design of such a n operation can be difficult, provisions have been made to assist the user in achieving
Carly Leonida and Joe Carr talk about overcoming the technology adoption challenge in mining, and examine some technologies that could change the course of the industry

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