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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Saurabh 1 Best Answer
101) It has to be Pigeonite, cuz it has Ca but in minimal amount or low Ca containing pyroxene. Note: Here Enstatite can't be the answer, because there is a difference between "Low Ca" and "No Ca".Enstatite don't really have Ca in it's composition, so no chance of considering it as a correct answer. 102) It has to be hornblende, which is characteristics of high temperature. 103) It has to be Pseudosection. Note: The same term you will encounter in masters pertaining to the resistivity survey, so there's a contrast between the one that you might have seen in Petrology/Mineralogy and the one you will see in geophysical survey/methods.