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Petrographic and Geochemical Characteristics of Charnockite from Asind, District - Bhilwara, Rajasthan: Implications for its Origin

August 2015

DOI:10.13140/RG.2.2.31090.45761

Authors:

Harel Thomas

Doctor Harisingh Gour Vishwavidyalaya (A Central University) Sagar (M.P.) INDIA

Neeraj Vishwakarma

National Institute of Technology Raipur

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MOOC on Petrology

Harel Thomas

It's an immense pleasure to inform you about the first Massive Open Online Course (MOOC) on Petrology, the course duration is of 16 week and course credit is 4. It is based on CBCS syllabus of UGC New Delhi. The Course will start from 7th November, 2016. I hope, the course will definitely provide better understanding to students on the processes and principles involved in the origin and evolution of the rocks. The course contains video, text, assignment, quiz, references etc. I firmly believe it will be useful to the students within and outside India. Therefore, I request you, please inform your students so that they can enroll themselves through the link given below: https://swayam.gov.in/course/3486-petrology Regards Prof. Thomas ... [more]

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Project

MOOC on Petrology

Harel Thomas

Dear Students We have successfully completed the second week. Thanks for the active participation. Share your experience. https://swayam.gov.in/course/3948-petrology With Best Regards Prof. Harel Thomas ... [more]

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UGC-MOOC on Metamorphic Petrology & Thermodynamics

Harel Thomas

To develope MOOC course on Metamorphic Petrology & Thermodynamics for SWAYAM.gov.in plateform

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Project

MOOC on Metamorphic Petrology & Thermodynamics

Harel Thomas

To developed Massive Open Online Course on Metamorphic Petrology & Thermodynamics for M.Sc. Geology/M.Tech. Applied Geology Students. I hope it will be useful for the geology students within and o utside India. Last but not least, I highly accept any comments, questions, or suggestion for the improvement of this course. ... [more]

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Article

Sulphur isotope studies on pyrites and pyrrhotites from Umra area, Udaipur District, Rajasthan, Indi...

January 1994

Pure fractions of pyrites and pyrrhotites from uraniferous grey phyllites and black shales from the Umra area of Rajasthan, India yielded δ34S values ranging from 4.0 to -13.5 per mil. Such negative and variable δ34S values suggest a biogenic origin for the sulphides which provided the reducing environment favourable for uranium mineralisation. -Authors

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Impact origin of the Ramgarh structure, Rajasthan: Some new evidences

September 2006 · Journal of the Geological Society of India

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Petrochemical studies of amphibolites from Kirimal district Bhilwara, Rajasthan, INDIA

August 2011

Article

Full-text available

MEMOIR OF THE GEOLOGICAL SOCIETY OF INDIA Petrochemical Studies of Amphibolites from Kirimal Distric...

January 2011

Amphiolites are frequently observed in the medium to high grade metamorphic rocks of Kirimal (district Bhilwara, Rajasthan) of Proterozoic age. These amphibolites contain hornblende– plagioclase–garnet–clinopyroxene-epidote–iron oxide. Geochemically, these ortho-amphibolites are tholeiitic and show association with non-orogenic environment with a shift to subalkaline derivatives with progressive ... [Show full abstract] differentiation. The absence of Nb anomaly and a low Th/La ratio of amphibolites, indicate an asthenospheric mantle source without any supra subduction imprint or crustal contamination. Geochemical characteristics indicate that the parent magma for these rocks was highly evolved in nature. This paper records the geochemical characters and a probable origin of these amphibolites.

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Article

Geochemical Characteristic of Amphibolites from Asind, District Bhilwara, Rajasthan, India

December 2011 · Asian Journal of Chemistry

Amphibolites are frequently observed in the medium to high grade metamorphic rocks of Asind of proterozoic age. These amphibolites are the results of the metamorphism of pre-existing mafic igneous rocks under medium to high grade P-T conditions and consist essentially of hornblende - plagioclase - garnet - clinopyroxene - epidote - iron oxide. Geochemically, these ortho-amphibolites are ... [Show full abstract] tholeiitic, show association with non-orogenic environment and shift to sub alkaline derivatives with progressive differentiation. The absence of Nb anomaly and a low Th/La ratio of amphibolites, indicate an asthenospheric or primitive mantle source without any supra subduction imprint or crustal contamination, severally limiting the continental tholeiite option. It is also clear that the parent magma for these rocks was highly evolved in nature. This paper records the geochemical characters and a probable origin of these amphibolites.

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Full-text available

Polymetamorphism in the Archaean Gneiss Complex of Shivpura Gyangarh District Bhilwara, Rajasthan

January 2005

Harel Thomas

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