Wang Ruirui

4 Questions 6 Answers 0 Followers

Questions related from Wang Ruirui

Volcanic rocks, volcaniclastic rocks or strongly deformed granites?

I collected some samples from an orogenic belt in China. These samples are located in different layers of a group. Zircon U-Pb dating by LA-ICP-MS reveals that they have same ages. I used to...

24 January 2016 6,056 25 View

Can OIB-like magma sources occur in the subductional settings due to continued slab rollback?

Continued slab rollback will lead to continued rift settings. If the slab continue rollback (till nearly vertical), can the asthenospere upwell and produce the OIB-like rocks?

13 November 2015 7,083 3 View

Can active continental margin be transformed to passive continental margin?

Can the following processes happen? 1 Long term of oceanic subduction took place at first. 2 Afterwards, due to slab roll-back or slab breakoff, the tectonic setting switch from compression to...

11 October 2015 8,581 3 View

When studying magmatic rocks, how to determin the process of partial melting or fractional crystallization?

In my study of magmatic rocks, I want to know the magmatic evolutional process.All the samples were collected from the same tectonic unit with the same age. Whether the magma have experience...

23 September 2015 4,153 5 View