Abdul Shakoor Mastoi

10 Questions 38 Answers 0 Followers

Questions related from Abdul Shakoor Mastoi

Mud Volcanoes and their tectonic history?

The mud volcanoes along the Makran Coast and offshore are formed by the accumulation of diagenetic fluids (mud, water, gas, oil?) escaping from unconsolidated sand and shaly sediments undergoing...

24 March 2019 6,152 6 View

Skarn mineralization with association of significant minerals?

Which type of minerals are associated wih skarn mineralization? Is it possible to reveal skarn mieralization on basis of petrograhic studies of significant skarn minerals.

06 February 2019 4,550 13 View

Under which condition and environment syenite granite form and which tectonic settings are suitable for the evolution of these granites?

The granite rocks are the most important and highly focused rocks in the field of geochemistry. Different tectonic settings are involved for the evolution of granite. As classified by Chap.and...

18 April 2018 5,434 6 View

I-type granites originate from lower juvenile crust?

Hf isotope is positive +7 TO +10 even higher +14 in both types of rocks one is I-type which is older and other is A-type which is younger. I-type granites formed from lower continental crust and...

18 January 2017 8,872 8 View

Can any one tell me about LA-ICP-MS age dating?

I did experiment on U-Pb age dating by LA-ICP-MS, and got MSWD -9, or even more then 9, in two samples, can any one please tell me why MSWD is too high, why it happens during this analysis. ...

21 November 2016 1,049 5 View

Could it be possible that Metasomatized mantle produce the high Mgo adakites ?

With the perspective of slab melting, is this possible that slab melts and high MgO adakites form in this condition.

15 November 2016 5,001 7 View

I-type granite and S-type granite , how can we distinguish in these granite.

I-type granite formed by the igneous and S-type granite formed by melting of metasedimentary rocks. if they are generated from different continental settings and from different magma so can we see...

17 October 2016 3,366 52 View

How can we distinguish the Adakites from different continental collision settings?

Adakites formed in different continental settings such as oceanic to continental and continental to continental collision settings, is any difference in elements behaviour in such types of adakites.

01 September 2016 4,773 4 View

Can any one tell me, if Lu-Hf isotopes εHf(t) values are coming positive?

if Lu-Hf isotopes εHf(t) values are coming positive ranging from +7.3 to +17.5 , Is This type of values only indicates that material is From Newly formed crust or contamination of both crust and...

28 January 2016 1,021 4 View

Seychelles granite study Lu-Hf isotpe, can you please recommend me any good paper regarding this topic?

Dear fellows could you please recommend me such a good paper for Lu-Hf isotope study of Seychelles granite.?

21 January 2016 5,427 5 View