Fe, Co, Cu, Sr, Ba, Zr, La, Lu, Pt, , Ag Pb, , . , , , Fe, Cr, Ti, Mn, , (Fe, Cr, Ti) - (Mn) (, , , , 1961; Custers, 1957-1958; Raal, 1958). , VI .

, - - (Clark, Walker, 1972). GR1 ( 7414 Ǻ). , .