Abstract |
Contents: Mining in Ontario. Mineral production of British Guiana (1915). The utilisation of water power. The asbestos industry at the Cape. Occurrence and utilisation of cobalt ores. Occurrence and utilisation of antimony ores. The new coal-field in West Africa (Udi-Okwoga, Nigeria) Recent work on monazite and other thorium minerals in Ceylon (with map) Sapphire-mining industry of Anakie, Queensland. The occurrence and utilisation of nickel ores Pottery clays in the Federated Malay States. The work of the Imperial Institute for India Utilisation of peat, 2. The occurrence and utilisation of zinc ores, part 2 Diatomite from Australia. Recent investigations on sources of potash. |