The relatively stable core of a continent that is not currently affected by tectonics along plate boundaries. Cratons generally consist of highly deformed metamorphic rock that formed during ancient orogenic explosions.
Cratons exist in the hearts of all the continents, a typical example being the Canadian Shield.
The flag was said to represent the nation's hope for a green revolution in agriculture. Green expresses the people's Muslim faith. Effective date: 20 November 1977.