Gce Model Questions Vol1 2023 Geography Question 17
Practice objective / multiple choice question 17 from the 2023 Gce Model Questions Vol1 Geography examination.
A sandstone has a bulk density of 2.35 g cm\(^{-3}\). Its mineral composition is 70 % quartz (grain density 2.65 g cm\(^{-3}\)), 20 % feldspar (2.55 g cm\(^{-3}\)) and 10 % mica (2.80 g cm\(^{-3}\)). Assuming the minerals are tightly packed with no intra‑mineral pores, estimate the porosity of the rock as a percentage.
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This is Gce Model Questions Vol1 2023 Geography Question 17. It is one of the objective questions from the 2023 Gce Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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