A simplified version of the rock cycle showing the three types of rocks and the transformational processes that occur between each pair of rock types.

This site provides a broad overview of the three different types of rocks. Gives a description about are how they are formed and classified.

Rock Islands Southern Lagoon covers 100,200 ha and includes 445 uninhabited limestone islands of volcanic origin. Many of them display unique mushroom-like shapes in turquoise lagoons surrounded by coral reefs. The aesthetic beauty of...