The operating costs of a gold mine are $[costs]/short ton. The recovery at the mill is [recovery]%. At a gold price of $[goldprice]/oz, what is the break-even cutoff grade in oz/short ton?
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Define the following mining terms: Outby Portal
Define the following mining terms: Outby Portal
What mining method will you use if the ore is very low in gr…
What mining method will you use if the ore is very low in grade and cannot be mined by surface mining?
Based on the number of mines, which underground mining metho…
Based on the number of mines, which underground mining method is most prevalent among all coal and non-coal mining?
The majority of minerals mined by _________.
The majority of minerals mined by _________.
Name one mining trade association and two federal agencies w…
Name one mining trade association and two federal agencies with a focus on mining?
What are the three main types of caving methods?
What are the three main types of caving methods?
Mining and subsequent mineral processing challenges can be d…
Mining and subsequent mineral processing challenges can be determined by looking at what characteristics:
The three main underground mining methods are:
The three main underground mining methods are:
An example of passive ground support is the use of:
An example of passive ground support is the use of: