This sediment layer is enriched in the rare metal iridium and other elements that are relatively abundant in a meteorite but very rare in the crust of Earth.
Curiosity is the main driving force that propels a child, who is often intrigued by vibrant illustrations and colorful play cards, to turn the pages of a foreign language book.
Language has been enriched with such terms as "highbrow", "egghead", "blue-stocking", "wiseacre", "know-all", "boffin" and, for many, "intellectual" is a term of denigration.
The rise of social gaming further extends the possibilities, and shows how individual elements broken up into a series of small engaging tasks online can become addictive.
Although it has only two its, it s highly symbolic and suggestive language as well as its rich connotations well shows the characteristics of a imagist poem.