List of top Geology Questions

Two limbs of a vertical chevron fold strike S70°E and N55°E. The value of the interlimb angle of the fold is ............ (degree).
In an outcrop, we find a Belemnite fossil broken into five rectangular pieces (boudins) of equal size. Long dimension of each boudin is 1.35 cm. Gap between adjacent boudins in all cases is 0.25 cm. Note that the long dimensions of boudins are perfectly aligned. The % elongation is ....... (give answer in one decimal place).
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 Weiss symbol of a crystal face is 4a: 2b: c. The value of h in the corresponding Miller Index (hkl) is ...........
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 .........
Which of the following stratigraphic unit(s) is/are coal/lignite bearing?
Which of the following is/are NOT true for texturally immature sandstone?
Which of the following statements is/are NOT correct?
Choose the correct combination(s) of textural features of magmatic rocks with corresponding petrological processes from the following.
The Toposheet No(s). immediately adjacent to Toposheet No. 55J/8 is/are
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?
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 progressive metamorphic isograd sequence that explains Barrovian metamorphism in pelite is
In metabasitic rocks, plagioclase is not stable in
The tube feet in echinoids emerge through
A geological formation neither containing nor transmitting water is termed as
A mineral with a point group symmetry 2/m
Which one of the following lithostratigraphic units is of Phanerozoic Eon?
Check dams are constructed in association with main dam in the
Which one of the following statements is correct for Class 1B (Parallel) folds?