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Questions and Answers
What is the UN definition of Small Scale Mining as provided in the text?
What is the UN definition of Small Scale Mining as provided in the text?
- Any mining operation with an annual production of 50,000 tons or less (correct)
- Mining operations that involve less than 1000 workers
- Mining activities using advanced machinery and equipment
- A cooperative mining venture involving multiple groups
What distinguishes Small Scale Mining from Large Scale Mining according to the text?
What distinguishes Small Scale Mining from Large Scale Mining according to the text?
- Number of workers involved
- Annual production capacity (correct)
- Amount of investment in modern machinery
- The depth at which mining takes place
What kind of tools and equipment are typically used in Small Scale Mining?
What kind of tools and equipment are typically used in Small Scale Mining?
- Advanced concentration equipment
- State-of-the-art machinery
- Simple tools like pick axes and shovels (correct)
- Heavy-duty trucks and excavators
Why are near-surface ore deposits often mined through Small Scale Mining methods?
Why are near-surface ore deposits often mined through Small Scale Mining methods?
What is the typical annual production limit for gold and other precious minerals in Small Scale Mining operations in Ghana?
What is the typical annual production limit for gold and other precious minerals in Small Scale Mining operations in Ghana?
In addition to gold and diamonds, what other materials are mentioned in the text as being included under Small Scale Mining?
In addition to gold and diamonds, what other materials are mentioned in the text as being included under Small Scale Mining?
What is the purpose of a sump in mining?
What is the purpose of a sump in mining?
Which mining term is commonly applied to the extraction of ore?
Which mining term is commonly applied to the extraction of ore?
What does 'gangue' refer to in mining?
What does 'gangue' refer to in mining?
What is the main purpose of a tunnel in mining?
What is the main purpose of a tunnel in mining?
What is the function of an adit in mining?
What is the function of an adit in mining?
What does 'cut-off grade' refer to in mining?
What does 'cut-off grade' refer to in mining?
What is the main characteristic of the simultaneous method of extracting ore blocks?
What is the main characteristic of the simultaneous method of extracting ore blocks?
Why is the simultaneous method of extracting ore blocks rarely used?
Why is the simultaneous method of extracting ore blocks rarely used?
What happens when one wing is extracted by advancing in the method described?
What happens when one wing is extracted by advancing in the method described?
In the advancing method of extracting ore blocks, when are the blocks extracted?
In the advancing method of extracting ore blocks, when are the blocks extracted?
What is a key feature of the retreat system in ore extraction?
What is a key feature of the retreat system in ore extraction?
When is the simultaneous method of extracting ore blocks resorted to?
When is the simultaneous method of extracting ore blocks resorted to?
What is ground fragmentation in mining?
What is ground fragmentation in mining?
What are the unit operations involved in the conventional cycle in non-coal or hard rock mining?
What are the unit operations involved in the conventional cycle in non-coal or hard rock mining?
Which modern mining operation eliminates the need for drilling and blasting in coal or soft ores?
Which modern mining operation eliminates the need for drilling and blasting in coal or soft ores?
What is the key difference between the general cycle and the auxiliary operations in modern mining?
What is the key difference between the general cycle and the auxiliary operations in modern mining?
What are some of the tasks that boring machines perform in soft to medium-hard rock mining?
What are some of the tasks that boring machines perform in soft to medium-hard rock mining?
In surface mining, what additional tasks need to be done apart from the productive phases of the actual mining cycle?
In surface mining, what additional tasks need to be done apart from the productive phases of the actual mining cycle?
What type of machines are employed in some stripping operations in surface mining?
What type of machines are employed in some stripping operations in surface mining?
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