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EnglandGeologyQuick questions
Module 5: Petrology - Mining geology
Quick questions on Mining geology and mineral resources: ore grade, reserves, contained-metal calculations and extraction - OCR A-Level Geology
5short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is factors affecting whether a deposit is mined?Show answer
A deposit is mined only if the value of the metal exceeds the cost of extraction. The factors are:
What is calculating contained metal?Show answer
The mass of metal in a deposit is the grade multiplied by the tonnage:
What is q1?Show answer
Define the cut-off grade. [1 mark]
What is q2?Show answer
A body contains tonnes at zinc. Calculate the contained zinc. [2 marks]
What is q3?Show answer
Explain how a rise in metal price can increase reserves. [2 marks]
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