Physical Geography and Occurrence (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
Why is uneven distribution of minerals essential for mining to be economically possible?
Why is uneven distribution of minerals essential for mining to be economically possible?
It creates concentrated deposits
How do magmatic deposits form?
How do magmatic deposits form?
From crystallisation of magma
Which metals are commonly found in hydrothermal deposits?
Which metals are commonly found in hydrothermal deposits?
Iron, copper, tin, lead
In which type of rock formations are metamorphogenic deposits mainly found?
In which type of rock formations are metamorphogenic deposits mainly found?
PreCambrian rock formations
What are placer deposits?
What are placer deposits?
Alluvial deposits from flowing water
Which extreme environments historically limited mineral exploration?
Which extreme environments historically limited mineral exploration?
Deserts, rainforests, mountains
What is the main advantage of open-pit mining over underground mining?
What is the main advantage of open-pit mining over underground mining?
Mechanisation
What are baffle mounds used for in open-pit mining?
What are baffle mounds used for in open-pit mining?
To reduce noise pollution
Which factor increases extraction costs as mining goes deeper?
Which factor increases extraction costs as mining goes deeper?
Water removal
What is the stripping ratio in open-pit mining?
What is the stripping ratio in open-pit mining?
Amount of waste rock vs ore extracted