Rosales on origin of quartz veins, [32-34]

Rotomahana district, White and Pink Terraces in, [36]

Rust, Solvent for, [165];

Protecting iron and steel from, [165]

Rutile, [32], [33]

[S]

School of Mines, S. Australian, [118]

Screens, [78], [79]

Shaft, Size of, [19], [27];

Logging up, [27], [28];