List of top Geology Questions

A mineral of uniform composition is cut into a wedge shape. The birefringence of the wedge section is 0.012. The retardation at 40 µm thickness of the wedge is ________ nm. \text{[in integer]}

Which one of the following cross-stratifications provides the paleocurrent direction on the truncated bedding surface of an undeformed cross-stratified sedimentary strata?

Which of the natural hazard(s) listed below can be caused by Earthquakes?

A radioactive nucleus \( {}^{290}_{92}X \) decays to \( {}^{278}_{87}Y \). The number of \( \alpha \) and \( \beta \) particles emitted during this decay are

The rock-type used to build the walls of the Red Fort in Delhi is

A coarse-grained igneous rock consists of 55% olivine, 25% augite, and 20% enstatite. According to the IUGS classification, the rock is

How many independent elastic parameters are needed to describe a homogeneous isotropic material?

Which one among the following coastal erosional landforms is caused by the action of sea waves?

Which among the following Period(s) belong(s) to the Paleozoic Era?

Which one of the following is a geochronologic unit?

Which one of the following must have thickness less than 1 cm?

Which one of the following organisms became extinct during the Cretaceous- Tertiary mass extinction event?

Match the geomorphic features in Group I with the related processes in Group II.

Group I		Group II
P	Cirque	1	Fluvial
Q	Ventifact	2	Glacial
R	Point bar	3	Volcanic
S	Tephra	4	Aeolian

Which one of the given textural features results from exsolution?

In the holosymmetric class of the Cubic System, how many more faces does the{110} form have compared to the {111 } form?

Which one of the following scismic Waves involves compression and rarefaction (but not rotation) of the material that it passes through?

Realgar and orpiment are both minerals of arsenic (As) and have the same chemical composition. Which one of the following properties can be used to distinguish between the two minerals in hand specimen?

Buckle folds result from

Sandstone beds above a magmatic body are domal in shape, while the beds below arc horizontal. The mae,:matic bod.v is a

Match the geomorphic features in Group I with the related processes in Group II.

Group I		Group II
P	Pedicle Foramen	1	Trilobita
Q	Pallial Sinus	2	Cephalopoda
R	Pygidium	3	Pelecypoda
S	Siphuncle	4	Brachiopoda

The Triassic-Jurassic boundary lies Within which one of the following stratigraphic units?

Which one is the correct order of stability of the minerals (arranged from the most stable to the least stable) during chemical Weathering?

Match the following sedimentary rocks in Group I with their compositions in Group II

Group I		Group II
P	Packstone	1	< I5% matrix, > 25% rock fragments
Q	Cirainstone	2	> 15<½! matrix, >259t feldspar
R	Lithic arenite	3	Grain supported, contains no mud
S	Arkosic wacke	4	Grain supported, contains mud

Match the parameters in Group I with their corresponding dimensions in Group II.

Group I		Group II
P	Shear modulus	1	\(M^\circ L^\circ T^\circ\)
Q	Hydraulic conductivity	2	\(M^1L^{-3}T^\circ\)
R	Volumetric strain	3	\(M^0 L^1 T^{-1}\)
S	Dry density	4	\(M^1 L^{-1} T^{-2}\)