Nisha Bharti

6 Questions 4 Answers 0 Followers

Questions related from Nisha Bharti

Is it possible to get intermdeiate or mixed layer water mass older than the deep water mass beneath, in present or paleo ocean?

Especially in the region where deep water mass upwells i.e. Equatorial Indian Ocean and Pacific Ocean. Here, by age, I mean the time taken by the deepwater mass to reach from the source region to...

11 April 2021 1,279 3 View

Does anybody know about tephra depsits in the Indian Ocean which can be used for chronostratigraphy of the marine sediment for the last 50,000 Years?

I,m looking forward to estimate the paleo-reservoir age of the surface ocean using the radiocarbon dating method and chronostratigraphy tool. For I that I need dated tephra from Indian Ocean for...

03 December 2020 9,451 3 View

Can isotope fractionation occur in carbon when calcium carboante shell is leached in dilute HCl ?

I am going to use 0.1N HCl

20 April 2019 9,592 2 View

Is siliceous foraminifera found in present ocean ?

They got extinct or still there?

02 July 2018 8,282 6 View

I want to Seperate forams for C-14 dating, Stable isotope(d18O) and trace element study (Mg/Ca). Please tell me the best way for bulk seperation?

Adding oxidising agent removes organics form the sediment. Will it affect Mg/ Ca ratio or any other data?

03 November 2017 5,517 5 View

Which kind of microsplitter its being used to split foraminifera?

I want to split bulk foraminifera seperated from marine sediments into 1gram or less.

26 August 2017 7,438 6 View