![A melanocratic porphyritic rock containing phenocrysts of biotite, with feldspar restricted to the groundmass](https://www.gkseries.com/blog/wp-content/uploads/2023/10/A-melanocratic-porphyritic-rock-containing-phenocrysts-of-biotite-with-feldspar-restricted-to-the-groundmass.jpg)
Q. A melanocratic porphyritic rock containing phenocrysts of biotite, with feldspar restricted to the groundmass, is called
(A) trachyte. (B) dacite. (C) andesite. (D) lamprophyre.
Q. A melanocratic porphyritic rock containing phenocrysts of biotite, with feldspar restricted to the groundmass, is called
(A) trachyte. (B) dacite. (C) andesite. (D) lamprophyre.
Government Schemes Mock Test | Start Test! |
Political Science Mock Test – 42 | Start Test |
History Test – 190 | Start Test |
Quantitative Aptitude Test | Start Test! | Data Interpretation - Mock Test | Start Test! |
General Awareness - Mock Test | Start Test! |
Reasoning Ability - Mock Test | Start Test! |