GATE GG-1 · 2025 · GG
Question 30: Geochemistry
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Question 30
GGMCQ1 markNeeds review
Shown below is a schematic plot of
(deviation of
in a sample relative to CHUR) versus time. The two solid lines represent the evolution curves for the depleted mantle reservoir and the continental crust. Which one of the four dashed lines, marked 1, 2, 3, and 4, represents the evolution of the CHUR? 
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2025GG
GATE GG-1 2025 · Paper 1
Geology and Geophysics · Original paper archive
- Section
- Section GG
- Question type
- Multiple choice (MCQ)
- Marks
- 1 mark
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