Mohammad Miri

3 Questions 10 Answers 0 Followers

Questions related from Mohammad Miri

Why does a meta-pelite of amphibolite facies contain high amount of muscovite but low amount of biotite?

I am studying meta-pelites containing chloritoid, staurolite, garnet, muscovite, chlorite and some fine and sporadic biotites. Thermobarometry calculations obtained 580 c and 4 kb. These are...

07 August 2019 1,298 7 View

How did these needle fan-shaped amphiboles form?

I am studying some amphibolite samples with a clay rich marl protholite. They mostly include amphibole + plagioclase + quartz + epidote + garnet. Their amphibole crystals are euhedral and...

07 June 2016 6,517 17 View

How did these small quartz structures grow on the hornblende crystals? What is the name of this texture?

This schist has two hornblende generations and these small quartz crystals formed on hornblende in some parts of the rock. I want to know what the texture is it.

05 August 2014 5,994 9 View