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Questions related from Dilip Majumdar
In a newly gabbro-anorthosite body is found saturated with stratified magnetite bodies. Preliminary observation indicates presence of PGE and gold.
24 May 2019 7,674 8 View
Getting result of SEM and XRD with full positivity in PGE concentration in a gabbro-anorthositic layered complex but not getting full support when analyzed by fire assay method.
15 February 2019 540 3 View
It is usually seen that Pan-African granites are rich in LREE and U. Is it because Pan-African granites are anorogenic and highly differentiated, derived due to partial melting of metasomatised...
10 March 2017 7,832 4 View
I am working on zircons of granitoids where the isolated zircon grains largely show oscillatory zoning revealed in CL images. My immediate attention to experts is that if those zircons originated...
02 February 2017 3,668 13 View
Optical properties of four photomicrographs are added in attached file. From interference colour and grain morphology let me have the name of the minerals found as accessory phase in...
22 January 2017 9,828 8 View
I have been studying non-porphyritic granites some belong to the Pan-African magmatic regime. The total LREE content recorded is >500 ppm and HREE is about 80 ppm. The granitoids are hard but...
18 January 2017 3,965 6 View
Recently, I analyzed REE of certain granites. The chondrite normalized REE plot shoed -ve Pr anomaly. I am puzzled to see the profile!
15 September 2016 1,852 4 View
My data comprises of bulk geochemical i.e.,major, trace and REE parameters of granitoids. Mineralogical and norm calculation do not show much variation of data. However, I can correlate data...
14 June 2016 8,515 2 View
Dear Researcher, I am critical about a porphyry Cu-S ore occurrence while working on a porphyry granitoid in a cratonic shield of NE India . As my study shows positive indications in many...
09 May 2016 9,994 3 View