Section A
Q1. Describe the following in brief with diagrams and suitable examples, wherever necessary :
(a) Difference between solid solution and exsolution in minerals
(b) Optic axial plane of biaxial minerals
(c) Dynamic melting in mantle
(d) Carbon-14 dating
(e) Spinifex texture
(f) Total alkali-silica diagram
(g) Ultrahigh Pressure Metamorphism
(h) Porphyroblasts
(i) Apparent Polar Wandering
(j) Geometric fit of continents