MiningMath

MiningMath

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One of the unavoidable steps for the next generation of Data Science and Artificial Intelligence technologies applied to mining

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Mining Fronts

Estimated reading: 3 minutes 415 views

The ‘mining fronts’ approach, as shown in Figure 1 and 2, is a good way to refine resultscontrol regions, and understand which are the best results considering different amounts extracted from a specific place. Using this methodology, you have the possibility to categorize masses by depth, a specific coordinate intervale, even into sectors based on into 360 degrees vision, of your project.

The general idea is pretty similar to what is used to define material types. The first step is to identify the area which you want to control. Then create an additional field regarding the mass on that region and assign it as a sum constraint while importing it. At last, go to the sum tab and control the minimum or maximum amount at the process or dump destinations.

Note that by using this feature you are able to control what, how much, and when the blocks should be mined according to what you want to analyze. This concept is also very useful in the context of mine design, although it increases the complexity while compared with the use of force/restrict mining surfaces, it can also guide solutions, geometrically speaking. It is important to remember that the sum constraint has a high priority parameter in the algorithm and it can also influence the other inputs based on the hierarchy order.

Identify and define your regions as you wish. For instance, use this excel file, place the z from the validation data scenario, calculate the elevation difference with the topography, filter the region which has a 0 result, and create a dispersion chart to identify the final pit. Then, take the coordinates/indexes, which will be the limits of your mining fronts, in this case, the boundary between the mining fronts was at the index 35. Figures 3 and 4 have some visual information to help you.

Calculate the tonnage of your mining front in an additional field and import it as a sum parameter. In this case, the mining front 1 is in the region above or equal to the limit chosen and the mining front 2 is what is bellow it, as seen in Figure 4.

Use the sum tab to control the Mining Front of each destination. Play with the minimum or maximum that should be extracted from each mining front and understand how the results change. The scenarios, that are shown in Figures 5 to 9, used the production, geometric and stockpiling parameters from the Data Validation page.

Download this modified Marvin Deposit file and play on your own.

CONTENTS

Protected: Imperial system

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In-depth MiningMath

This tutorial provides a detailed guidance to the pages in the knowledge base fo...

Theory Validation

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Guaranteed Solutions

Multiple, complex constraints increase the likelihood of not finding or not exis...

MiningMath Uniqueness

MiningMath allows mining managers to improve their strategic analysis through ri...

Time Limit

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Must read articles

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Tutorials

Geometry

Theory

Workflow

Formatting the Block Model

The main focus here is on the requirements. Try to pay attention to the header...

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