نتایج جستجو برای: sungun open pit copper mine

تعداد نتایج: 502986  

2002
Dean McDonald SILBAK PREMIER

21 kilometres north of Stewart (Figure 2-IZ-l), on the east The Silbak Premier mine is in northwest British Columbia, side of the Salmon River Valley. The original discovery of a that from 1918 to 1953 produced 4.3 million tonnes of ore high-grade vein in 1910 culminated in an underground mine grading 14.6 grams gold and 304 grams silver per tonne from sulphide-bearing stockworkveins and brecci...

Journal: :Minerals 2022

In this study, the Lagrange element strength reduction method is used to explore slope stability and as an evaluation of underground mining end-slope coal in a rock-stability analysis. A numerical analysis model established herein using geological conditions for coordinated open pit with area Anjialing Open-Pit Mine Underground No. 2 Mine. Additionally, evolution law open-pit studied proposed s...

Journal: :Journal of Sustainable Development of Energy, Water and Environment Systems 2013

Journal: :Vestnik of Kuzbass State Technical University 2020

Journal: :Processes 2023

Mineral and metallurgical processing are crucial within the mineral value chain. These processes involve several stages wherein comminution is arguably most important due to its high energy consumption, impact on subsequent extractive processes. Several geological properties of orebody efficiency metallurgy; scholars have therefore proposed deal with uncertain ore feed in terms grades rock type...

Journal: :International Journal of Mining Science and Technology 2019

Journal: :Frontiers in Earth Science 2023

Mine geological disaster is a complex non-linear system. The traditional prediction model has the disadvantages of low accuracy and poor reliability. In order to solve this problem, open-pit mine slope displacement taken as research object. Based on new algorithm extreme learning machine (ELM), intelligent sparrow search (SSA) are introduced determine weights thresholds input layer hidden ELM. ...

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