List of top Geology Questions

The sand supply and the variability of wind direction result in different dune types. In the options below, choose the CORRECT pair of dune types marked I and II in the figure.
On a fault surface with strike 320° and dip 55° NE, respectively, four sets of slickenslides were measured by a geologist. Given that the fault surface was measured correctly, the plunge and plunge direction of the lineation on the fault surface is
Identify the common metamorphic minerals labelled X and Y in the ACF diagram.
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]}
If the shrinkage factor of a crude oil is 0.7, its formation volume factor is ________. \text{[round off to 1 decimal place]}
The strike and dip of the axial plane of a reclined fold is 022° and 28° SE, respectively. The plunge direction (in whole circle bearing) of the axis of the reclined fold is ________ degrees. \text{[in integer]}
A radioactive nucleus \( {}^{290}_{92}X \) decays to \( {}^{278}_{87}Y \). The number of \( \alpha \) and \( \beta \) particles emitted during this decay are
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?
The rock-type used to build the walls of the Red Fort in Delhi is
In the geological map of India, which one of the following geological units has the largest area?
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 IGroup II
PCirque1Fluvial
QVentifact2Glacial
RPoint bar3Volcanic
STephra4Aeolian
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