Important deposits by secondary deposits ( geukbae and diversity of its reserves in the world and colostrum )

摘要

PURPOSE: important mineral deposit is provided by secondary deposit and a kind of establishes national wealth and following as source grows. ;CONSTITUTION: important mineral deposit secondary deposit includes by feldspar, quartz, limonite, magnetic iron ore, crystal, agate, and a variety of jewels. ;The 2011 of copyright KIPO submissions