Questions and Answers
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
What distinguishes Small Scale Mining from Large Scale Mining according to the text?
Annual production capacity
What kind of tools and equipment are typically used in Small Scale Mining?
Simple tools like pick axes and shovels
Why are near-surface ore deposits often mined through Small Scale Mining methods?
Signup and view all the answers
What is the typical annual production limit for gold and other precious minerals in Small Scale Mining operations in Ghana?
Signup and view all the answers
In addition to gold and diamonds, what other materials are mentioned in the text as being included under Small Scale Mining?
Signup and view all the answers
What is the purpose of a sump in mining?
Signup and view all the answers
Which mining term is commonly applied to the extraction of ore?
Signup and view all the answers
What does 'gangue' refer to in mining?
Signup and view all the answers
What is the main purpose of a tunnel in mining?
Signup and view all the answers
What is the function of an adit in mining?
Signup and view all the answers
What does 'cut-off grade' refer to in mining?
Signup and view all the answers
What is the main characteristic of the simultaneous method of extracting ore blocks?
Signup and view all the answers
Why is the simultaneous method of extracting ore blocks rarely used?
Signup and view all the answers
What happens when one wing is extracted by advancing in the method described?
Signup and view all the answers
In the advancing method of extracting ore blocks, when are the blocks extracted?
Signup and view all the answers
What is a key feature of the retreat system in ore extraction?
Signup and view all the answers
When is the simultaneous method of extracting ore blocks resorted to?
Signup and view all the answers
What is ground fragmentation in mining?
Signup and view all the answers
What are the unit operations involved in the conventional cycle in non-coal or hard rock mining?
Signup and view all the answers
Which modern mining operation eliminates the need for drilling and blasting in coal or soft ores?
Signup and view all the answers
What is the key difference between the general cycle and the auxiliary operations in modern mining?
Signup and view all the answers
What are some of the tasks that boring machines perform in soft to medium-hard rock mining?
Signup and view all the answers
In surface mining, what additional tasks need to be done apart from the productive phases of the actual mining cycle?
Signup and view all the answers
What type of machines are employed in some stripping operations in surface mining?
Signup and view all the answers
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.