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MINE SAMPLING, ASSAYING
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4352201
Code: 4352201
Credits: 4
Semester 5
Mining
Mine Sampling, Assaying and Mineral Dressing
Get the full GTU study material for this subject: official syllabus, textbook links (Gujarati-medium books included where available), and previous year question papers.
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GTU Previous Year Papers
Mine Sampling, Assaying and Mineral Dressing Syllabus — Unit-wise Content
The official GTU curriculum for Mine Sampling, Assaying and Mineral Dressing (subject code 4352201) as prescribed for Mining · Semester 5 divides the course into 5 units, covering 32 listed topics. This curriculum applies from the July-2023 intake. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (4352201)Unit 1 Mine Sampling 1.a Explain various technical terms involved in mine sampling operation. 1.b Describe the need, Use and importance of sampl...
- 1.1. Definition: - Specimen, Sample, Sampling and Salting.
- 1.2. Purpose, Importance and various uses of sampling in mines.
- 1.3. Sampling methods with its applicable conditions. (Channel sampling, Chip sampling, Grab sampling, Bore hole Mine Sampling, Assaying And Mineral Dressing Course Code: .4352201 sampling in varying situation. 1.d Describe sample reduction procedure. 1.e List out suitable precautions while taking samples. 1.f Explain the sources of error while sampling. 1.g Describe measures against salting. sampling, Bulk sampling and Wagon sampling)
- 1.4. Needs and Methods of Reduction of Sample.
- 1.5. Precautions taken while collection of samples.
- 1.6. Sources of errors in Sampling.
- 1.7. Salting-(Intentional and unintentional) Purpose and Precautionary measures against salting.
Unit 2 Assaying & Mine Valuation 2.a Explain various technical terms involved in mine valuation 2.b Estimate ore reserve and grade value of mine...
- 2.1. Definition: - assay map, assay plan factor, assay values, grade value, tenar of ore and different types of ore grade.
- 2.2. Calculations based on average assay value and average grade of ore.
- 2.3. Ore reserve estimation methods : -
- 2.3.1. Geometric method - Included area method, Extended area method, Triangle method and polygonal method.
- 2.3.2. Graphic method – Use of Isochore maps, use of stratum contour and use of transverse section.
- 2.4. Mine Valuation: -
- 2.4.1. Purpose, Factor affecting and Risk involved in mine valuation,
- 2.4.2. Net present value of Mine:- Hoskold’s Formula, and Morkill Formula
- 2.4.3. Life of Mine – Taylor’s rule and Lounge’s rule.
Unit 3 Size reduction of mineral 3.a Describe purpose and objective of size reduction. 3.b Explain suitable type of crushing procedure as per th...
- 3.1. Comminution/ Size reduction – Purpose And objective of size reduction,
- 3.2. Types of Crushers : -
- 3.2.1. Primary crusher :– Jaw crusher and Gyratory crusher - Constructional features, working mechanism and reduction ration.
- 3.2.2. Secondary crusher -Cone crusher and disk crusher- Constructional features, working mechanism and reduction ration.
- 3.2.3. Tertiary crusher – Ball mill, hammer mill and rod mill- Constructional features, working mechanism and reduction ration. Mine Sampling, Assaying And Mineral Dressing Course Code: .4352201
Unit 4 Mineral Dressing & Concentration Techniques 4.a Describe purpose and objective of Mineral dressing. 4.b Define various terms associated w...
- 4.1. Scope, objectives and advantages of Mineral Dressing.
- 4.2. Definition of associated terms in Mineral Dressing.
- 4.3. Process of Mineral Dressing and concentration techniques: -
- 4.3.1. Size Liberation / Screening :- Purpose, Types, Screen efficiency.
- 4.3.2. Gravity concentration methods:- Jigging Operation, Methods of Jigging, Advantages and disadvantages of jigs, Factors affecting in stratifications of Jigging- Hindered settling, Differential acceleration and Consolidation trickling.
- 4.3.3. Heavy media separation – Mechanism and working principle, Types of heavy media used.
- 4.3.4. Froth floatation Process – Principle of operation, preparation of mineral pulp, aeration and froth formation, adsorption, contact angle, collectors and frothers.
- 4.3.5. Magnetic separation – Mechanism and working principle. (Dry and wet separation)
- 4.3.6. Electrostatic separation- Mechanism and working principle, Conductivity of minerals and factors affecting the electrostatic separation. (Belt and Role type separators)
Unit 5 Coal Beneficiation 5.a Explain purpose and objectives of coal beneficiation 5.b Draw flow sheet of coal Beneficiation process.
- 5.1. Purpose and Objectives of coal beneficiation, Dry and Wet coal beneficiation
- 5.2. Flow sheet of coal washing plant. Coal washing plant-features.
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