. Transactions. Fig. 5.—Obe of Average Composition, 9 Diameters ; OrdinaryLight. Actual Field, 8 mm. The Light-Colored Areas Fig. 6.—Ore from Central Zone of Dike, 18 Diameters jOrdinary Light. Magnetite, Diopside, Spinel (S). 20 A TITANIFEROUS IRON-ORE DEPOSIT.

Size: 1577px × 1583px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries