Read the following statements and choose the correct option: Statement-I: J. D. Dana prepared a special Geological Time Scale to indicate the geological history of Indian subcontinent rocks. Statement-II: As per Geological Time Scale, Indian rocks are subdivided into Archean, Puranic, Dravidian and Aryan periods.

Consider the following statements about the sedimentary rocks: 1. Sedimentary rocks are formed at the earth's surface by the hydrological system 2. The formation of sedimentary rocks involves the wea…

Which of the following statements with reference to Salt Weathering is/are correct? 1. Salt crystallisation is the most effective of all the salt weathering processes. 2. Salt crystal growth is more…

Which of the following geological systems of rocks contain a rich reserve of iron ore in India?

Consider the following statements regarding metamorphic rocks: 1. Ortho-metamorphic rocks are formed from igneous rocks. 2. Intense heat of the intruding magmas results in metamorphism of the surroun…

Consider the following pairs with reference to sedimentary rocks and the process of their formation: 1. Chert : Chemically formed 2. Geyserite : Organically formed 3. Shale : Mechanically formed