List of top Geology Questions

Match the minerals in Group I with corresponding characteristic properties in Group II. 

 

Which of the following minerals exhibits the optic interference figure given below? 

The stereographic projection given below represents a 

Match the Precambrian lithounits in Group I with corresponding cratons in Group II. 

Figures X and Y show profile sections of folds traced by two cross-bedded sandstone beds. Which one of the following is the correct interpretation? 

The figure shows stereographic projections of the axial plane and the hinge line of a fold. Which one of the following folds is represented in the figure? 

Figures I, II and III are the outcrop patterns of three inclined beds P, Q and R on a flat ground. P is the oldest and R is the youngest amongst these beds. Identify the correct option that explains repetition of beds in the figures. 

Match the bivalves in Group I with their modes of life in Group II. 

 

Match the geomorphic features in Group I with corresponding environments in Group II. 

Group IGroup II
P. Eskers1. Beach
Q. Natural levee2. Volcanic
R. Chenier ridge3. Glacial
S. Plug dome4. Fluvial
A tabular ore body of 9 km\(^2\) area and an average thickness of 9 m has a density of 3000 kg/m\(^3\). The tonnage (in million tonnes) of the ore body is _________.
Assume that the orbit of the earth is a circle of radius 150 \(\times\) 10\(^6\) km. The gravitational constant and the earth’s orbital velocity are given as 6.7 \(\times\) 10\(^{-11}\) N·m\(^2\)/kg\(^2\) and 30 \(\times\) 10\(^3\) m/s, respectively. The calculated mass of the sun is _________ \(\times\) 10\(^30\) kg (rounded off to two decimal places).
Two vertical wells penetrating a confined aquifer are 200 m apart. The water surface elevations in these wells are 35 m and 40 m above a common reference datum. The discharge per unit area through the aquifer is 0.05 m/day. Using Darcy’s law, the coefficient of permeability is _________ m/day.
If a crystal contains 5 faces and 8 edges, the number of vertices in the crystal is _________.
The difference between Si/O ratios of K-feldspar and olivine is _________ (answer in two decimal places).
A normal fault displaces a sandstone bed such that the dip-slip and the strike-slip components are 3 m and 4 m, respectively. The net-slip of the displacement is _________ m.
In a sedimentary rock, the diameters of two grains A and B are 1ϕ and 3ϕ, respectively. The difference in diameters between A and B is_________mm (rounded off to two decimal places).
Throw and heave of a bed offset by a normal fault are 100 m and 200 m, respectively. The dip of the fault plane is __________degree (rounded off to one decimal place).
The intensity of an earthquake of magnitude 8 on the Richter scale is greater than the intensity of an earthquake of magnitude 5 on the same scale by ________ times.
Select the correct statement(s).
Select the correct statement(s).
Choose the reaction(s) indicating metamorphism of pelites at T>600°C and P<8 kbar.
Which of the following gastropods has/have siphonal canal?
Which of the following is/are mode(s) of preservation of fossils?
Select the pair(s) that is/are correctly matched.
Which of the following statement(s) is/are correct for a plot of (\(^{87}Sr/^{86}Sr\)) versus (\(^{87}Rb/^{86}Sr\)) of a rock which has evolved in a closed system?