Kayode Amuda

3 Questions 9 Answers 0 Followers

Questions related from Kayode Amuda

Does sodic metasomatism have effect on zircon composition and concentric zoning in peralkaline granites? How can I describe the CL image?

The zircon grains I got from my peralkaline granites are irregular and stubby with 1:1 predominant aspect ratio from length 60 - 130 um and width 45 - 80 um to give a sub-angular outline...

04 April 2019 8,351 9 View

I need help to identify this mineral in biotite granite?

The PPL view has moderate to high relief but not pleichroic. I attached the higest illumination in XPL view and that false colour displayed marks the variations to lowest illumination. I also show...

09 September 2018 4,413 0 View

Recent seafloor massive sulphide (SMS) vs Ancient volcanogenic massive sulphide (VMS) deposits?

If we really feel the present is a reflection of the past, why has there not been any documented giant metallic deposits in recent seafloor massive sulphide compared to classical examples in...

10 October 2015 8,313 0 View