Gce Model Questions Vol1 2020 Geography Question 19
Practice objective / multiple choice question 19 from the 2020 Gce Model Questions Vol1 Geography examination.
In a geological outcrop three rock units are observed. - Unit A is a granite pluton. - Unit B is a metamorphic schist that cuts across Unit A. - Unit C is a limestone that overlies both units and contains fossils dated to \(150\) Ma. Field mapping shows that the schist intruded the granite \(10\) million years after the granite solidified, and that the limestone was deposited \(20\) million years after the schist intrusion. Determine the absolute age (in million years ago, Ma) of the granite pluton.
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About This Question
This is Gce Model Questions Vol1 2020 Geography Question 19. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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