Geology and Geophysics
GATE GG-1 purpose:exam-prep PYQs
Build your understanding with focused practice from past exam papers.
Questions 611–620 of 650. Imported answers require independent review unless marked reviewed.
Question 26
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Stylolitic foliation developed during diagenetic processes is typically
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A coal seam with an attitude 090°, 50°S outcrops at an elevation of 1400 m in an area that has flat topography. A vertical exploratory drill hole will intersect the seam
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Earthquakes result in the formation of which one of the following features?
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In a bilaterally symmetrical brachiopod fossil, the angle between the hinge line and the median line changes to 45° after deformation. The shear strain observed in the deformed fossil is _________.
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The empirical probability distribution of gold (Au) grades shows a unimodal distribution with mode = 2 g/t, median = 3 g/t, and mean = 5 g/t. This probability distribution is
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A limb of a non-plunging fold with an attitude 070°, 40°S is rotated about its fold axis 30° clockwise (looking towards ENE). The plunge amount of the pole to the fold limb after rotation is _____ degrees.
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The Bulk Silicate Earth (BSE) is best approximated by the average
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Which one of the following is the stable mineral assemblage in metamorphism of a rock with pelitic bulk composition under granulite facies?
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The given P–T diagram shows four distinct metamorphic paths designated as 1, 2, 3 and 4. Which one of these P–T paths represents crustal thickening in a collisional tectonic setting?
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The pressure on a rock overlain by a 7 km thick basaltic crust (ρ = 3100 kg m⁻³) is __________ kilobar.
(Use g = 9.8 m s⁻²; 10⁵ Pa = 1 bar)
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