J
J. Ratnakar
Researcher at Osmania University
Publications - 10
Citations - 41
J. Ratnakar is an academic researcher from Osmania University. The author has contributed to research in topics: Gabbro & Pluton. The author has an hindex of 4, co-authored 9 publications receiving 38 citations.
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Journal Article
Petrogenesis of the Ravipadu Gabbro Pluton, Prakasam Province, Andhra Pradesh
K. Vijaya Kumar,J. Ratnakar +1 more
TL;DR: The Ravipadu gabbro pluton (RGP) is one of the basic intrusives occurring within the deep Precambrian crust composed of amphibolites and granulites in the Prakasam igneous province of India.
Journal Article
Petrogenesis of Quartz-Bearing Syenite Occurring Within Nepheline Syenite of the Elchuru Alkaline Complex, Prakasam Province, Andhra Pradesh
J. Ratnakar,K. Vijaya Kumar +1 more
TL;DR: A petrochemical comparison of the QS and NS suggests that they are derived from a feldspathic residual liquid by liquid immiscibility under variable P H 2 O and P CO 2 conditions as mentioned in this paper.
Journal Article
The Gabbros of Prakasam Alkaline Province, Andhra Pradesh, India
K. Vijaya Kumar,J. Ratnakar +1 more
TL;DR: The gabbro plutons of Boggulakonda, Settupalle, Purimetia, Pasupugallu and Chimakurti in the Prakasam alkaline province (PAP) in Andhra Pradesh occur in a narrow zone (east of the Cuddapah basin) within the Precambrian amphibolites and granitic gneisses.
Journal Article
Petrology of the Dykes of Ravipadu, Prakasam Province, Andhra Pradesh, India
TL;DR: The doleritic and basaltic dykes of Ravipadu in the Prakasain Province traverse and extend beyond the gabbro pluton and exhibit ophitic -subophitic, intergranular and equigranular textures as mentioned in this paper.
Journal Article
Petrology of the gabbro-diorite-syenite-granite complex of Chanduluru, Prakasam alkaline province, Andhra Pradesh, India
V. Nagsai Sharma,J. Ratnakar +1 more
TL;DR: The calc-alkaline complex of Chanduluru (CL) in the Prakasam alkaline province of Andhra Pradesh is composed of two distinct petrographic suites viz. a gabbro-diorite suite and a melasyenitegranite suite as discussed by the authors.