Figure 3

Photomicrographs of Um Nar BIF showing folded stratification (a and b), S1 along with S2 schistosity of magnetite (c), and replacement of magnetite by quartz vienlets (d), martite (e), and goethite (f).

Photomicrographs of Um Nar BIF showing folded stratification (a and b), S1 along with S2 schistosity of magnetite (c), and replacement of magnetite by quartz vienlets (d), martite (e), and goethite (f).