. Transactions. Fig. 6.—Ore from Central Zone of Dike, 18 Diameters jOrdinary Light. Magnetite, Diopside, Spinel (S). 20 A TITANIFEROUS IRON-ORE Fig. 7.—Ore from Surface, Diopside Altered to Serpentine,24 Diameters ; Polarized Light ; Crossed Nicols. ActualField, 3 mm.

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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries