Section A
Q1. Describe the following in brief with diagrams and suitable examples, wherever necessary: 5 × 10 = 50 Flash figure
(a) Perthite
(c) Global Meteoric Water Line Carbonate compensation depth and lysocline
(d) Soret effect
(f) Rapakivi texture Geothermal gradient g) Diffusion and mass transfer
(i)
Heat flow in the crust Seamounts
(i)