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

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

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 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…

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…

Regarding sedimentary rocks which of the following statements is true?