Bulk Sampling: An Introduction

Content
17 modules

Rating

Course Length
12 hours

Instructor
Edumine Courses

Released
09 Oct 2019

Price
$449.00

Description

Bulk sampling, the costly process of taking very large samples, is part of the general procedure for the exploration and evaluation of a mineral deposit.

Often the bulk sample will be a composite of material from development drifts and raises. Ideally, drift rounds or other portions should be selected from geological mapping and prior sampling, handled separately, and should be stored temporarily on a pad for sampling if not directly processed. The bulk sample will consist of these components and will take into account the geological continuities. The appropriateness of the bulk sample will be related to its source, to the variability of the deposit, to the deposit morphology, and to anticipated problems.

The final objective is to obtain the quantitative information required for the quantitative evaluation of the deposit in a formal feasibility study; the objective is a production decision that leads to a profitable operation. This course provides a comprehensive introduction to the topic, including the application of bulk sampling in a project exploration / evaluation context, the nugget effect and other statistical issues, planning a bulk sampling program, grade verification and metallurgical testing.

Authors

  • Dr. Alastair J. Sinclair

 

Duration: 12 Hours
Access: 90 Days
Category: Exploration
Level: Specialize
Version Date: October 3, 2011


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Objectives

Content

The course comprises 14 viewing sessions at both summary and text level, plus multiple-choice reviews, worked examples and exercises, and a comprehensive glossary. Course duration is equivalent to 12 hours of study content.

Learning Outcomes

  • Recognize the application and objectives of bulk sampling techniques in the exploration and evaluation of mineral deposits.
  • Recognize the nugget effect and its impact on grade variability.
  • Identify and apply the methods and techniques that aid in optimizing sampling procedures and reducing sampling errors.
  • Identify and apply the unit volume approach to bulk sampling.
  • Plan a bulk sampling program in terms of sample size, grade variability and sample storage, treatment, monitoring and feedback of results.
  • Apply bulk sampling procedures for the objectives of grade verification or metallurgical testing.

Recommended Background

  • A degree in geology, metallurgy, mining or related discipline.
  • An understanding of the basic principles and methods of statistics.

Certificate

By completing/passing this course, you will attain the certificate Edumine Certification

Learning Credits

CEU
1.2
PDH
12.0
1
Table of Contents
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Module 1: Bulk Sampling in an Exploration-Evaluation Program
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Knowledge Check - Module 1: Bulk Sampling in an Exploration-Evaluation Program
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Module 2: Bulk Sampling of Mineral Deposits Defined
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Knowledge Check - Module 2: Bulk Sampling of Mineral Deposits Defined
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Module 3: The Nugget Effect
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Knowledge Check - Module 3: The Nugget Effect
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Module 4: Histograms of Grades
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Knowledge Check - Module 4: Histograms of Grades
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Module 5: Planning a Bulk Sampling Program
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Knowledge Check - Module 5: Planning a Bulk Sampling Program
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Module 6: Bulk Sampling for Grade Verification
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Knowledge Check - Module 6: Bulk Sampling for Grade Verification
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Module 7: Bulk Sampling for Metallurgical Testing
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Knowledge Check - Module 7: Bulk Sampling for Metallurgical Testing
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Module 8: Summary and Exercises
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Module 9: References
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Added 4 months ago, by Salima
Elements of equation descriptions don't match the equation itself. Pictures are too small
 
Added about 1 year ago, by Guy
It is a good course. It could, however, attempt to demonstrate some of the limitations of any sampling technique. QaQc is definitely one that requires attention, especially when several labs and pilot plant test facilities are used

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