Ranjit Nayak

6 Questions 28 Answers 0 Followers

Questions related from Ranjit Nayak

Trace composition and isotope analyses in ultramafic rocks is major problem?

The trace element composition in most ultramafic rocks is below the detection limit or very less in concentration. In this case, can we use the isotope data like Sr and Nd ratios for the petrogenesis?

16 June 2021 1,858 4 View

Can someone kindly update any information on national or international conference/seminar in India related to Igneous Petrology and Geochemistry?

Please upload information related to any upcoming seminar or conferences in India related to Igneous Petrology..... Thank You

21 June 2018 1,893 3 View

How to calculate FeO from Fe2O3T?

I try to calculate by using the FeO= Fe2O3T*0.8990…whether this correct???? If this correct, why the calculated values are less in comparison to other’s data??? I want to convert FeO for...

28 August 2017 1,762 15 View

Sm-Nd isotope data can be use for dating of ultramafic rocks (peridotites) of Ophiolite complexes????

Sm-Nd isotopes can be use for petrogenesis but what about dating the ultramafic rocks of ophiolite complexes....I have came across very less research paper of these isotopes used for...

12 June 2017 3,469 24 View

Why most of the trace elements in ultramafic rock (peridotites) are below detection limit??

what could be the most possible reason of being the trace elements particularly the REE in peridotites are below detection limit in the bulk rock composition??????

08 April 2017 3,652 4 View

How to remove the effect of plagioclase so as to know the Eu anomaly in spider diagrams of plagiogranites?

The spider diagrams of REE in plagiogranites does not have any Eu anomaly. How can I remove the effect of plagioclase to get the Eu anamoly in plagiogranite? Can anyone help me?

14 September 2016 7,931 7 View