Stock Resource Evaluation (AQA A-Level Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which of these is an example of a stock resource?
Which of these is an example of a stock resource?
Mineral ores like iron and copper
What is the key difference between resources and reserves?
What is the key difference between resources and reserves?
Reserves are economically viable to extract
What two parameters does the McKelvey classification system use?
What two parameters does the McKelvey classification system use?
Geological certainty & economic viability
What probability of recovery do proven (measured) reserves possess?
What probability of recovery do proven (measured) reserves possess?
At least 90% probability
How do indicated reserves differ from measured reserves?
How do indicated reserves differ from measured reserves?
Inspection sites are spaced further apart
What characterises inferred resources?
What characterises inferred resources?
Lowest confidence level of the three
What are hypothetical resources?
What are hypothetical resources?
Undiscovered materials expected in known areas
What is the minimum investment typically required for a modern ore mine?
What is the minimum investment typically required for a modern ore mine?
$500 million
Which factors are evaluated as physical risks?
Which factors are evaluated as physical risks?
Quantity, quality, location & technology
What is a key geopolitical risk factor?
What is a key geopolitical risk factor?
Concentration of production in few nations