Sale
Gregory, G. 1992 Minerals : resources from the earth. Wellington: SIR Publishing. Alpha 84. [5] p.
Abstract: Describes the geological processes which produce rocks i.e. igneous, sedimentary, and metamorphic and the type of minerals which are derived from each. Gives details of location and uses of four "minerals", greenstone, gold, gemstones, and salt and how they are found. Also describes the environmental impact of mining in New Zealand. (MEGC)
