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Kala-soocidda Birlabta ee Fidsan ee Heerka Sare leh ee Gargaar Sare leh
Codsiga: Kala-soocidda magnetic-ga ee giraanta fidsan ayaa si weyn loogu isticmaalaa hematite qoyan, limonite, siderite, chromite, ilmenite, wolframite, tantalum iyo niobium iyo macdano kale oo magnetic ah oo daciif ah, iyo macdano aan bir ahayn, sida quartz, feldspar si looga saaro birta wasakhda ah iyo nadiifinta.
