3 Questions 11 Answers 0 Followers
Questions related from Daniel Do Valle Lemos-Santos
What does the lack of biotite in granite mean even though there are amphiboles in the modal composition? Should biotite be a petrogenetic mineral in granite magmas?
30 August 2019 5,403 3 View
Is it possible find in A-type (peralcaline) granites the Arfvedsonite post-magmatic? Which minerals are part of this reaction together with piroxene? tks
07 February 2019 733 2 View
Geochemistry in zircons. Does it change in the compressive magmatism and reflect in the zircon crystal?
12 April 2018 7,416 2 View
