List of top Geology Questions

The geothermal gradient in the continental crust is 0.02 ⁰C/m. If the surface temperature is 25 ⁰C, the temperature at a depth of 18 km from the surface is ________ ⁰C. (In integer)
According to Strahler’s stream ordering system, what is the highest order of stream in the given diagram?According to Strahler’s stream ordering system, what is the highest order of stream in the given diagram?
A partially saturated soil sample has a volume of 1200 cc. The volume of water present in the sample is 300 cc. The mass of solid in the sample is 1908 g and the particle density is 2.65 g/cc. The porosity (n) of the soil sample is _______ %. (In integer)
The sedimentary structure formed by unidirectional current is
Which of the following is the correct decreasing order of abundance of elements in our solar system?
The fraction of $^{24}𝑁𝑎_{11}$ atoms remaining after a decay interval of 5.0 hours will be ______ . (Round off to three decimal places) (Use $t_{1/2}$ = 15.0 hours)
Neutron-rich unstable nuclides undergo
The saturated thickness of an unconfined aquifer is defined by the distance between
For the given Barrovian metamorphic sequence, which of the following statements are correct?
For the given Barrovian metamorphic sequence, which of the following statements are correct?
Match the sedimentary features/structures in Group I with the corresponding processes in Group II.
Group IGroup II
P. Stylolite1. Liquefaction
Q. Pseudonodule2. Diagenesis
R. Current crescent3. Organo-sedimentary binding
S. Stromatolite4. Scouring
Darcy’s law quantifies the volume of groundwater flow
Consider the univariant metamorphic reaction Albite = Jadeite + Quartz. The minimum number of chemical components required to describe the composition of all the phases is _________ . (In integer)
The mean flow velocity of water in an open channel having an average depth of 0.2 m, and with Froude Number 4, is ________ m/s. (Round off to one decimal place) (Use $g = 9.8 ms^{-2}$)
A rock element during deformation, experienced a pressure change of $5×10^4 N/m^2$, due to which its volume changed from 4 cm3 to 3.9 cm3. The bulk modulus of the rock is ________ ×$10^6 N/m^2$. (In integer)
Clinopyroxene crystallizing from a basaltic magma has Sm concentration of 24 ppm. If the clinopyroxene-melt partition coefficient for Sm is 1.2, the concentration of Sm in the basaltic magma will be ______ ppm. (In integer)
Which one of the metamorphic facies sequence in order of increasing metamorphic grade defines thermal metamorphism ?
Which of the following statements on mantle partial melting are correct?
An aquifer has a cross-sectional area of 10 $m^2$ and a hydraulic conductivity of 0.25 cm/s. The volume of water that will flow per second through the aquifer for a hydraulic gradient of 0.04 is _____ $cm^3$. (Round off to three decimal places)
In the given isobaric binary temperature-composition (T-X) phase diagram involving solids A and B, the fraction of melt remaining at point Q for a magma having initial composition P will be _______. (Round off to one decimal place)
In the given isobaric binary temperature-composition (T-X) phase diagram involving solids A and B, the fraction of melt remaining at point Q for a magma having initial composition P will be _______.
The mineral assemblage found in a granulite facies metabasalt is
Dropstones are found in
The name of an igneous rock having a modal composition of 55% olivine, 40% orthopyroxene and 5% plagioclase, as per the IUGS classification scheme, is
Which one of the following textures is found in alkali olivine basalt?
The suture of a cephalopod having smooth saddles and crenulated lobes is called
Glossopteris is found in which of the following formations?