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 weathering of preexisting rocks 3. Sedimentary rocks contain fossils 4. Sedimentary rocks typically occur in layers Which of these statements are correct?

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…

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

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…

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

Which one of the following sedimentary rocks has not been formed mechanically?