Geology and Geophysics
2026 · Paper 1
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Complete GATE GG-1 2026 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 55–57 of 65. Imported answers require review unless explicitly marked reviewed.
Question 55
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A hydrothermal solution contains dissolved ions of Ca²⁺ and SO₄²⁻. If the Saturation Index (SI) of the solution is negative, which of the following statements is/are CORRECT if gypsum is added to the solution?
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The given schematic diagram shows different stages of development of S₂ foliation after the formation of S₁ foliation. Which of the following statements CORRECTLY interpret(s) the relationships of porphyroblasts W, X, Y and Z with the matrix?
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In remote sensing, the parameter(s) that can be estimated in the Thermal Infrared region (3 - 14 μm) is/are
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