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Characteristics of granitic igneous rocks as a source of tin mineralization in the study area are generally ilmenite granite series or commonly called Granitic S type. The occurrence of rare earth elements is relatively common in the earth's crust. Based on its chemical properties, the occurrence of REEs (Rare Earth Element) is rarely scattered and not concentrated in one place, so it is often stated that it is not economical to be mined. However some rare earth mineral deposits such asdoi:10.1088/1755-1315/413/1/012004 fatcat:26jbea7qfrestirwk26pepgyym