A melanocratic porphyritic rock containing phenocrysts of biotite, with feldspar restricted to the groundmass HomeGATEA melanocratic porphyritic rock containing phenocrysts of biotite, with feldspar restricted to the groundmassgate questionsQ. A melanocratic porphyritic rock containing phenocrysts of biotite, with feldspar restricted to the groundmass, is called(A) trachyte. (B) dacite. (C) andesite. (D) lamprophyre.Ans: lamprophyre.
Some students were not involved in the strike. If the above statement is true, which of the following conclusions
The radius as well as the height of a circular cone increases by 10%. The percentage increase in its volume is