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Questions related from Asoori Latha
Some one mentioned about formation of zircon associated with other hypothermal mineral assemblage (300-500 C). Do we get really zircon in association with hypothermal mineral assemblage? How and...
08 June 2018 7,710 5 View
I have seen overgrowths on zircon, both in igneous and sedimentary rocks In igneous rocks it is assumed that...such zircons are as a result of S-type nature of the granite, but in sedimentary...
19 March 2018 9,182 7 View
Wishing A Very Very Happy New Year to All.... Have you made any resolutions for this new year? How many of you stick to new year resolutions? What is the best and worst resolution you ever made?
01 January 2018 2,938 3 View
I have observed that sometimes a granite, by its essential mineralogy, doesn't contain any kind of accessory minerals. No single grain of opaque/ transparent accessory minerals which normally...
06 July 2017 4,416 9 View
Before taking up geochronological studies we do detailed petrpgraphy with reference to deformation and alteration....to find its suitability for radiometric dating what criteria should be used to...
23 May 2017 5,815 6 View
Can we expect Euxenite and Gadolinite in carbonatites? What are the minerals which can contain Scandium apart from these two? What could be the source of Scandium in carbonatites?
21 April 2017 2,560 7 View
apart from occurring in zircon? what are the other possibilities of getting higher hafnium in chemical analysis of carbonatites? Is there any other mineral which could possibly accommodate hafnium?
17 March 2017 7,358 6 View
What is the maximum content of Hf which can be present in zircon structure? what is the significance of its presence?
03 March 2017 5,475 4 View
Weathering and alteration are usually near surface phenomena. I am observing rocks collected from>100 meters depth...which are highly altered. what kind of alterations are prominent at greater...
07 December 2016 4,770 10 View
Pyrochlore is the common Nb bearing phase in carbonatites what other minerals account for the high Nb content of these rocks?
23 November 2016 7,956 7 View
The rocks are highly brecciated, ferrugenised and silicified. besides other alterations fracture filling minerals are present that give variable chemical compositions. Because of ferrugenisation...
01 January 1970 2,607 5 View
