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Questions related from Lu Lu
Everybody, As we all know, the prograde metamorphism of mafic rocks generally follows the common path from amphibolite through granulite to, finally, eclogite. Garnet is an important phase in...
14 June 2018 7,795 4 View
Dear experts, Crystal fractionation is usually an important process that controls chemical composition evolution of magmatic rocks. I want to know how great is the effect of crystal fractionation...
18 June 2017 737 4 View
I am studying two late Cretaceous K-rich granitoid intrusions, including a charnockite and a high-K calc-alkaline granite. These two intrusions are very near to each other in spatial distribution...
20 January 2017 1,843 6 View
I am studying a igneous pluton, which might have been generated by mixing of two different magma sources. Now, I want to simulate the two-endmember mixing cure of the igneous rocks, and estimate...
10 November 2016 1,695 4 View
Everybody, I'm studying a Late Cretaceous (~68 Ma) opx-bearing granite in the Qiangtang Terrane, Tibetan Plateau. The two-pyroxene barametry indicates that the melt-formation of the this...
02 October 2016 7,500 4 View
Dose the mantle contain water? To what extent? Whether the partial melting of mantle need the involvement of water? Thanks.
19 September 2016 6,204 3 View
Fractional crystallization is an important process that controls magma evolution, especially for mafic magmas in arc-related settings. However, we know, the granitic magas have high viscosity,...
24 June 2016 7,142 3 View
Whether the partial melting of mantle lithosphere can directly produce andesitic melts? Who can provide me available references with repect to this process? Thanks.
24 June 2016 8,840 7 View
Anyone give me a excel table for calculation of magma pressure based on pyroxene composition? I have got models of Putirka from his personal website. Who can give other available models?
07 June 2016 6,489 1 View
In granite studies, whether pressure values calculated from the CIPW-normative Qz–Ab–Or diagram is valid? What the result pressure values mean, melting pressure or magma crystallization pressure?
07 June 2016 2,612 4 View
I want to calculate relative oxidation states of magmas by Ce(IV)/Ce(III)in zircon following the model of Ballard et al. (2002)(Contrib. Mineral Petrol.). However, it is troublesome...
06 June 2016 2,218 0 View
I've been studying a charnockite (silica=60 to 70 wt.%) pluton in the Tibetan Plateau. This pluton is characterized by high Mg (magnesian), K (postassic), Ba and Sr contention. However, it has no...
07 May 2016 2,281 5 View
