GATE GG-1 2025 Paper 1 — page 18

Questions 52–54 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 18 of 22

Choose the correct combination of minerals (listed in Group A) with the corresponding locations of their deposits (listed in Group B).

Your answerChoose one option.

M-1; N-2; O-3; P-4

M-4; N-3; O-2; P-1

M-3; N-4; O-1; P-2

M-2; N-4; O-1; P-3

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Choose the explanation(s) for negative Eu anomalies in upper crustal rocks like granite and granodiorite.

Your answerSelect all correct options. You can choose more than one.

These rocks are end-products of magmatic differentiation

These rocks were formed by melting of the mantle, which was already depleted in Eu

Most of the Eu was incorporated in other minerals

The melt residues contain plagioclase which are enriched in Eu

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Which characteristic feature(s) best explain(s) the HIMU mantle reservoir?

Your answerSelect all correct options. You can choose more than one.

Magmas derived from this reservoir have high

and

Magmas derived from this reservoir have high

and

This reservoir has evolved with high Th/U

This reservoir has evolved with high U/Pb

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2025 · Paper 1