Identify the Mineral on the basis of the following characteristics relating to it : I. It is usually a greenish crystal. II. It is often found in basaltic rocks. III. Magnesium, iron and silica are its major elements. Select the answer using the code given below:

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…

Bihar’s geographical structure consists of rock systems. Match the rock systems with their descriptions : a. Dharwar rock system b. Vindhyan rock system c. Quaternary rock system d. Tertiary rock sys…

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