Sobhi Nasir

6 Questions 84 Answers 0 Followers

Questions related from Sobhi Nasir

How did the juxtaposition of metamorphic sole units occur?

Metamorphic soles are typically glued to the base of ophiolite crust+mantle sections < 20 km thick, but record crystallization at > 30 km depth

01 June 2020 9,130 0 View

Why are metamorphic soles so often indistinguishable in age from the igneous age of ophiolite crust?

Metamorphic Sole

01 June 2020 8,732 0 View

why is there so little evidence for an arc with emergent volcanoes (tephra, sub-aerial volcanism)?

Formation and tectonic evolution of ophiolites : If the ophiolite and oceanic crust formed at a spreading center in a fore-arc or a back-arc above a subduction zone, why is there so little...

01 June 2020 8,162 0 View

What are the main reasons for having slow and fast spreading ridges?

The Pacific ocean mid ocean ridges are considered fast spreading ridges, while those in the Atlantic are slow.

12 June 2014 5,187 10 View

Is CO2 sequestration in ultramafic-mafic rocks a good solution to reduce CO2 in the atmosphere?

In situ and ex situ sequestration of CO2 in ultramafic rocks being suggested to solve CO2 concentration in the atmosphere.

07 June 2014 8,412 2 View

Do you think that enhanced natural weathering of olivine-rich rocks is a feasible process to reduce the CO2 concentration in the atmosphere?

Natural weathering of olivine can eliminate some CO2 from the atmosphere. Enhanced weathering by grinding olivine and spread over land surfaces and coasts may increase the weathering rate.

07 June 2014 2,413 2 View