List of top Geology Questions

The Throw of a fault is 4 m and the Heave is 3 m. The Dip separation of the fault, in meters, is ............... (In integer)
Consider the present volume of the Earth’s continental crust as \(7.5 \times 10^{18}\) m³. If continental crust formation started 3.0 Ga ago, then the average rate of continental crustal growth is ............. km³ yr⁻¹. (Round off to one decimal place)
For a \(2/m\) pyroxene, the extinction angle between the vibration direction and crystallographic axis, X ⊥ c, is 36°. Then the angle Y ⊥ b in degrees will be ............. (In integer)
A kimberlite pipe has a bulk density of 2.5 g/cc and contains diamond of grade 100 carat/metric ton. If the pipe contains only 1-carat diamond crystals, then the number of diamond crystals per cubic meter in the pipe is .................. (In integer)
Which of the following landforms is/are weathering dominated?
The mineral formula of orthopyroxene calculated on 6 Oxygen atom basis is (Mg1.2Fe0.8)Si2O6. The weight percentage of MgO in the chemical composition of orthopyroxene is ............. (Round off to one decimal place)
A grain has a size of 36 mm when observed under a magnification of 125 times. The actual size of the grain in µm is ............. (In integer)
Which of the following statement(s) related to ore-forming processes is/are CORRECT?
A metapelite is composed of muscovite + quartz + K-feldspar + kyanite mineral assemblage. If the muscovite and K-feldspar show solid solution between 'Na' and 'K' end-members, the minimum number of components that defines this metapelitic assemblage is ............. (In integer)
Radiogenic atoms of \(^{40}K\) have a half-life of \(1.25 \times 10^9\) years. The percentage of \(^{40}K\) atoms left after six half-lives will be .............. (Round off to two decimal places)
Moon is considered to have been formed due to high temperature condensation of post-collisional ejected material. Which of the following statement(s) related to its mantle composition as compared to CI carbonaceous chondrite is/are CORRECT?
Which of the following statements related to stratigraphy is/are CORRECT?
Which of the following characteristics of fossils is/are necessary for biostratigraphic applications?
Which of following combinations of sedimentary environments and their features is/are CORRECTLY matched?
Which of the following property/properties of a mineral indicate(s) uniaxial negative optic sign?
Which of the following is/are characteristic feature(s) of Brachiopods?
Which one of the following lithospheric plates has the least length of convergent boundary?
Which one of the following elements in the Earth is a chalcophile and shows siderophilic behavior?
Which one of the following is a Paleozoic flora?
Which one of the following set of landforms results dominantly due to erosion?
Which one of the following sedimentary structures is formed by rapid release of water?
Which one of the following is related to porphyry Cu-Mo deposit?
Which one of the following statements is CORRECT for coal?
Which one of the following represents the CORRECT combination of stratigraphic unit with its corresponding age?
Which one of the following is the oldest volcanics?