It consists mainly of silicate minerals and has an upper, partially molten part and a lower, solid part. The upper mantle is the source of magma and volcanic lava. 2. The layer of soft tissue that covers the body of a clam, oyster, or other mollusk and secretes the material that forms the shell.
Korean, also called Hangul (íêµ­ë§), is the official language of both North and South Korea. The Hanguk dialect is spoken is South Korea. Korean, also called Hangul (íêµ­ë§), is the official language of both North and South Korea. The Hanguk dialect is spoken is South Korea.
The highest mountain peak in South Korea is Hallasan (1,950 m), which is the cone of a volcanic formation constituting Jeju Island. There are three major mountain ranges within South Korea: the Taebaek Mountains, and Sobaek ranges, and the Jiri Massif. Unlike Japan or the northern provinces of China, the Korean Peninsula is geologically stable.