7 Questions 17 Answers 0 Followers
Questions related from Trisrota Chaudhuri
What kind of rock should be targeted to prepare secondary oxygen isotope standard? The mineral of interest is quartz.
28 April 2024 6,202 2 View
if the fugacity of S rises or fugacity of O drops, is it possible to precipitate magnetite and pyrite from a same hydrothermal fluid? Is there any case study?
05 March 2024 7,357 5 View
Secondary ion mass spectrometry: basic concepts, instrumental aspects, applications, and trends By A. Benninghoven, F. G. Rudenauer, H. W. Werner · 1987 ISBN:9780471010562,...
31 May 2023 1,241 0 View
Uncertainty in the values of eNd(t) or eHf(t) (epsilon Nd or Hf) of a particular sample (rock or mineral) depends on several things including uncertainties in the present day isotopic ratios and...
18 July 2019 4,248 3 View
In an εHf vs. 207Pb/206Pb age (Ma) plot, the regression line (best fit) can be drawn from the data point scatter. From the slope of such best fit line, average 176Lu/176Hf ratio can be calculated....
03 July 2017 4,753 3 View
Different spectral parameters such as ID/IG, R2, are calculated to analyze Raman spectra. Is there any freeware/excel spreadsheet from which I can calculate these parameters from raw spectral...
21 June 2017 1,314 6 View
For trace element modelling, we need modal mineral abundance of the starting material to calculate bulk Kd. Supposing we have only whole rock composition of the starting material, can we use...
26 April 2017 256 8 View