Atul Singh

8 Questions 13 Answers 0 Followers

Questions related from Atul Singh

From where one can get data of historical earthquakes?

I need data of earthquakes in particular region which occurred in last 50 years or so. From where I may get this data?

23 August 2021 3,765 16 View

What are the possible reasons for underestimation of major oxides in XRF analysis?

I have observed that at times the total of major oxides in river sediments is around 90-95% with LOI

25 September 2020 6,203 4 View

What are the factors behind the origin of red colouration of sedimentary layers in Late Quaternary sediments?

I have been searching for some articles which may address the problem mentioned above. I could find some excellent papers dealing with origin of red beds in sand dunes but hardly any dealing with...

01 August 2018 8,688 19 View

Which is the best protocol for grain size analysis of sand?

I wish to do grain size analysis of sand. What experimental set up should I follow for it and how should I analyse the data. Please provide some references on this topic. Thanks.

03 March 2018 3,736 8 View

How one can differentiate between fluvial, glacio-fluvial, glacial deposits in the field?

I am getting a thick sequence of sand beds which contain fragments of rocks which are polished along the Tista River in the Lesser Himalayas. I think these deposits to be of glacio-fluvial origin...

16 March 2017 8,798 5 View

I have potsherd (pottery) samples and want to do OSL dating. Which protocol to use for sample preparation?

I have ~5mm thick potsherds which are of archaeological importance. I want to date them using OSL. What steps should I follow during sample preparations and after sample preparation should I...

29 May 2016 1,448 2 View

How can XRD be used to deduce the temperature and pressure condition of formation of a rock?

Please provide the relevant papers.

03 December 2014 1,329 12 View

Which is the best way to study crystal lattice of grains of sedimentary origin?

I have quartz grain of sedimentary origin and want to study the defects in lattice, which approach should I use?

03 December 2014 1,684 7 View