5 Questions
Why is it recommended to avoid detailed estimation based on the smallest possible blocks?
Small neighboring blocks tend to have very similar grades.
How can dividing the linear dimensions of a block by 2 affect the estimation process?
It multiplies the number of blocks to be estimated and equations to be solved by 8.
What is a suitable rule of thumb for determining the minimum size of a block?
Minimum size should be less than ¼ of the average drill hole interval.
What does the height of a block in a block model typically correspond to?
The height of the bench that will be used in mining.
On what factors does the location of blocks in a block model depend?
A variety of factors such as overburden ore contact and high grade-low grade zones.
Learn about the basics and application of computer techniques for grade and tonnage estimation through block models. Understand the visualization of a deposit as a collection of blocks and the factors influencing the size choices of these blocks.
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