List of top Geology and Geophysics Questions asked in GATE Geology and Geophysics

The cross section of a river channel is approximated by a trapezium. The river has an average channel width of 40 m and average depth of 3 m. If the average flow speed is 2 m/s, the discharge rate is ________ m³/s. \text{[in integer]}
Which of the following is/are copper ore mineral(s)?
Which one of the following is a dinosaur?
The Hoek-Brown failure envelope is typically the segment of which one of the following?
Which one of the following is the optical spectral window suitable for remote sensing?
The silicate mineral(s) that commonly occur(s) in regionally metamorphosed siliceous dolomitic limestone is/are
The angle of inclination of the remanent magnetization of a volcanic rock measured at a location is 45°. The magnetic latitude of the location of the volcanic rock at the time of its magnetization is ________° N. \text{[round off to 1 decimal place]}
Assuming the rate of rotation of the Earth is \( 7.27 \times 10^{-5} \) radians/s and the radius of Earth is 6371 km, the centrifugal acceleration at 60° latitude for a spherically rotating Earth is ________ \( \times 10^{-3} \) m/s\(^2\). \text{[round off to 1 decimal place]}
During crystallization of a magma, which one of the following schematic paths (I, II, III and IV) describes the behavior of compatible elements in the residual melt?
The difference in arrival times of P- and S-waves generated by an earthquake and recorded at a seismological station is one second. Assuming a homogeneous and isotropic Earth, a P-wave velocity (\( V_P \)) of 3 km/s, the ratio of P- to S-wave velocities (\( V_P/V_S \)) of 2.0, the distance between the station and the hypocenter is ________ km. \text{[round off to 1 decimal place]}
The intercepts of a crystal face on the crystallographic axes are \( \infty a \), \( 2b \), and \( 3c \). Which one of the following is its Miller Index?
The relationship between conjugate shear fractures and the principal stresses in a homogeneous, isotropic, deformed body is shown in the stereoplot given below (\( \sigma_1, \sigma_2, \sigma_3 \) are compressive stresses). Which one of the given fault regimes is indicated according to Anderson’s theory of faulting for the formation of conjugate shear fractures under plane strain?
Which one of the following is a mafic volcanic rock?
Match the locations in Group I with the corresponding economic deposits in Group II.
Choose the CORRECT statement(s) on seismic wave propagation in an elastic isotropic medium.
For a productive alluvial aquifer with hydraulic conductivity = 105 m/day and hydraulic gradient = 0.01, the flow rate is ________ m/day. \text{[round off to 2 decimal places]}
The average bulk density of a fully saturated sandstone reservoir with a fractional porosity of 0.23 is ________ g/cc. \text{[round off to 2 decimal places]}
Which one of the following is the Poisson’s ratio for an incompressible fluid?
In which one of the following regions of the electromagnetic spectrum does the maximum atmospheric scattering occur?
Which one of the following is the typical product of ductile deformation?