Gce Model Questions Vol1 2020 Geography Question 11
Practice objective / multiple choice question 11 from the 2020 Gce Model Questions Vol1 Geography examination.
A sedimentary rock sample contains 40% quartz, 30% calcite and the remaining 30% feldspar and mica by volume. During diagenesis, quartz grains increase by 25% in volume while calcite dissolves reducing its volume by 10%, the other minerals remaining unchanged. What is the new percentage of quartz in the rock (to two decimal places)?
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About This Question
This is Gce Model Questions Vol1 2020 Geography Question 11. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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