Nasser Nasseri

4 Questions 15 Answers 0 Followers

Questions related from Nasser Nasseri

What is this rock ?

I've put a photo of mineral that I do not know. This mineral generally occurred near the contacts of chromite lenses on the surface of serpentine foliation like sheet Silicates. The color shows...

17 November 2020 8,609 26 View

Which Cost-effective methods are used for removing Fe 2+ from manganese sulphate solution?

I'm working on a manganese processing project. Unfortunately, in the manganese ore high amounts of divalent iron are present and it remain in solution after acidic leaching and increasing pH to 5.

23 February 2020 8,625 4 View

What is the role of CO2 fugacity in trapping Au in magma and hydrothermal fluids?

I think interacting magma with country rocks which have organic material or carbonate minerals is important role in precipitation Au in intrusion-related gold systems (IRGS) and Carlin-type gold...

14 March 2019 958 19 View

What is this texture?

I have done this thin section from red rhyolite (in hand specimen), is it altered spherulitic rhyolite?

17 January 2017 4,414 8 View