stripping ratio
stripping ratio
[′strip·iŋ ‚rā·shō] (mining engineering)
The unit amount of spoil or waste that must be removed to gain access to a similar unit amount of ore or mineral material.
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References in periodicals archive
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The project is based on an outcropping deposit, with a low life-of-mine stripping ratio of 0.
Company cut costs by 12% despite rise in stripping ratio (6.
1 years is envisaged at a stripping ratio of 3:1 for the output of almost 61,800 oz in the first year.
Work is being completed on identifying areas of high quality coal that can be accessed by a low stripping ratio and could be mined and processed using the existing Dillon Mine plant facilities.
La India is an open-pit, heap leach mine, with a stripping ratio of approximately 1:1.
7 g/t for 90,000oz of potentially recoverable gold with a stripping ratio of 6:1.
Seasonal upturn was already reflected in operational report of the company for 4Q, however KTK proved to be able to contain cost growth in weak market environment thanks to ability to decrease stripping ratio (continued to decline in 1Q).
With the stripping ratio at Wolverine reaching a high water mark of 19 in the second quarter against the life-of-mine ratio of 10, I am confident that we will get through the waste rock to lower the stripping ratio, get at the coal that is there and lower our costs in the second half of this fiscal year.
This will reduce the cumulative stripping ratio and create important mining cost savings.
Financial performance of the company in 3Q supports our view on higher results after company will end optimization of pits and stripping ratio will decline in mid-term.
The estimated waste to ore stripping ratio is approximately 2:1.
As we had expected, KTK's average stripping ratio decreased 15% QoQ from 8.
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