Geology and Geophysics
GATE GG-1 kind:question PYQs
Build your understanding with focused practice from past exam papers.
Questions 221–230 of 650. Imported answers require independent review unless marked reviewed.
Question 26
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For the given figure, considering Pratt’s model of isostatic compensation at the crust mantle boundary, the crustal density (ρ₁) that explains 1.5 km deep lake is ____________ kg/m³. (Consider density of water ρw = 1000 kg/m³) [round off to 2 decimal places]
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Which one of the following mineral pair shows solid solubility through coupled substitution of elements?
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The behavior of trace elements in magmatic systems follows
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Choose the CORECT statement regarding crystallization of a single feldspar of composition Or₅₀Ab₅₀ in the Albite-Orthoclase system.
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Given ΔVᵣ and ΔSᵣ are the volume and entropy of reaction, respectively, the most suitable conditions for the reaction to be used as a geothermometer are
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In which one of the given mass extinction events, global cooling that resulted in glaciation and lowering of sea level, is considered as major cause of extinction for more than 50% of marine fauna?
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Processes of fossilization affecting an organism from its death to burial under sediments come under the study of
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The dip and dip direction of the lee side of a straight crested ripple on modern sediments are found to be 15° and N10°W, respectively. Considering unidirectional water movement, the flow direction is towards
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Rhodocrosite in hand specimen is most likely to be confused with certain varieties of
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Which of the following is NOT an essential property of a mineral?
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