List of top Geology Questions asked in IIT JAM GG

The mole% of forsterite component in olivine with chemical formula \( \text{Mg}_1.5\text{Fe}_0.5\text{SiO}_4 \) is .......
In a mineral with chemical formula AT\(_4\)O\(_8\), the ionic radii of A and O are 1.12 Å and 1.40 Å, respectively. The coordination number of cation A is .........
An object is spotted at \( S60^\circ E \) front bearing from the observer. If the position is interchanged, the front bearing value in degrees from North (measured clockwise) is ...........
P and S waves originate at earthquake focus and travel through the earth. Which of the following statements for these waves is/are correct?
The Toposheet No(s). immediately adjacent to Toposheet No. 55J/8 is/are
Choose the correct combination(s) of textural features of magmatic rocks with corresponding petrological processes from the following.
Which of the following statements is/are NOT correct?
Which of the following is/are NOT true for texturally immature sandstone?
In an outcrop we find that the bedding planes are vertical and cleavage surfaces are horizontal. Which of the following fold types is/are inferred from this observation?
Which of the following stratigraphic unit(s) is/are coal/lignite bearing?
Pressure (1GPa = 10 kbar) and temperature at the centre of the Earth are estimated to be
A sandstone has<5% matrix. The recalculated modal compositions of feldspar, quartz, and rock fragments are 45%, 35%, 20%, respectively. The sandstone is classified as
Choose the correct combination(s) of type of dentition of Bivalvia and the corresponding representative genus.
Choose the landform(s) resulting from glacial erosion.
The tube feet in echinoids emerge through
A mineral with a point group symmetry 2/m
A geological formation neither containing nor transmitting water is termed as
The progressive metamorphic isograd sequence that explains Barrovian metamorphism in pelite is
In metabasitic rocks, plagioclase is not stable in
Check dams are constructed in association with main dam in the
Which one of the following statements is correct for Class 1B (Parallel) folds?
Which one of the following lithostratigraphic units is of Phanerozoic Eon?
The volcanic equivalent of nepheline syenite is
The facial suture of trilobites running through the genal angle is known as
Which one of the following prismatic crystal forms belongs to the hexagonal crystal system?