Neco Model Questions Vol1 2019 Geography Question 9
Practice objective / multiple choice question 9 from the 2019 Neco Model Questions Vol1 Geography examination.
A rock sample consists of 40 % quartz (density 2.65 g/cm³), 35 % feldspar (2.55 g/cm³), 15 % mica (2.80 g/cm³) and 10 % amphibole (3.00 g/cm³). Assuming the minerals are packed without voids, calculate the bulk density of the rock and identify the most likely rock type among granite (2.65-2.75 g/cm³), gneiss (2.70-2.80 g/cm³) and basalt (2.90-3.00 g/cm³).
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About This Question
This is Neco Model Questions Vol1 2019 Geography Question 9. It is one of the objective questions from the 2019 Neco Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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