Kopo:Ho tlosa litšila tsa tšepe ts'ebetsong ea metsi le ho hloekisa liminerale tse seng tsa tšepe, tse kang quartz, sodium kapa potassium feldspar.Ntle le moo, ka matla a matla a matla a khoheli, e na le phello e ntle haholo ea ho arola liminerale tse fokolang tsa makenete, joalo ka hematite, specularite, limonite, siderite, manganese ore, jj.