Jayabalan Manickam

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Questions related from Jayabalan Manickam

Can any one provide thin section photographs of melilite bearing lamprophyre or alnoite?

We had encountered a small dike with evident porphyritic texture in both hand specimen and thin section scales. The euhedral minerals are colorless, tabular or elongated tabular some times wedge...

12 March 2015 1,164 32 View

Are there any (online or offline) tutorials for GCDkit scripting in 'r' language?

GCDkit is one of the most versatile packages for igneous petrology. Writing scripts in 'r' for GCDkit has a steep learning curve. Tutorials may help to facilitate learning with feedback.

11 July 2014 127 12 View

What is crustal delamination and how does it influence the petrogenesis of alkaline rocks, e.g. lamprophyres?

Analytical data of lamprophyres (minette and spessartite) display a primitive character and are enriched in LILE with depleted HFSE. The geotectonic environment as suggested by trace element data...

05 July 2014 2,493 8 View