Nongmaithem Lakhan Singh

2 Questions 14 Answers 0 Followers

Questions related from Nongmaithem Lakhan Singh

How to identify spherulite texture in thin section image of felsic volcanics?

I have been looking for spherulite feature in felsic volcanics, and I am unable to confirm it. Peculiar spherulites in felsic rocks show dark extinction in cross polar. Are such features essential...

08 July 2019 5,155 4 View

Why and how do we choose either intercept age or mean age in U-Pb zircon age analysis?

During our analysis of U-Pb zircon dating, the intercept age is found to be 69.86±0.31 Ma which is discordant age while mean age is 69.83±0.39 Ma. The reviewer preferred mean age rather than the...

16 August 2018 2,134 8 View