Gce Model Questions Vol1 2017 Geography Question 23
Practice objective / multiple choice question 23 from the 2017 Gce Model Questions Vol1 Geography examination.
A metamorphic rock contains both garnet and staurolite. Experimental phase diagrams show that garnet is stable at pressures ≥ 5 kbar and temperatures ≥ 550 °C, while staurolite is stable at pressures ≥ 4 kbar and temperatures ≥ 500 °C. (a) What are the minimum pressure and temperature conditions that the rock must have experienced? (b) Assuming a lithostatic pressure gradient of 0.27 kbar km⁻¹, estimate the minimum depth (in km, to one decimal place) at which these conditions were met.
Answer Options
About This Question
This is Gce Model Questions Vol1 2017 Geography Question 23. It is one of the objective questions from the 2017 Gce Model Questions Vol1 Geography examination.
Difficulty level: Medium .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.