Prospecting for Minerals: A Practical Handbook for Prospectors, Explorers, Settlers, and All Interested in the Opening-up and Development of New LandsC. Griffin & Company, 1906 - 239 páginas |
Términos y frases comunes
acid alluvial deposits alumina angles antimony apatite arsenic associated augite auriferous barytes basalt bead beds bismuth blowpipe blue borax bournonite brown calcite carbonate cent CHARLES GRIFFIN chloride chlorite cinnabar clay cleavage coal cobalt colour containing copper copper pyrites crystallised crystals diamond diorite district earthy easily EDITION Engineers eruptive rocks EXETER STREET felspar fissure flame formed frequently fused fusible galena garnet gems gold gossan granite green grey copper gypsum hæmatite Handsome Cloth hard heated hornblende Hydrous silicate igneous Illustrations impregnated intersection lead lime limestone lodes lustre magnesia magnetic manganese masses mica minerals mines mispickel nickel occurs orthoclase oxide oxidised powder prospector quantity quartz recognised reefs salt sandstone schists scratched seams serpentine silicate silicate of alumina silver sometimes South Wales specific gravity stibnite stone strata streak sulphate sulphide sulphur surface tests tinstone topaz tourmaline traversed variety veins volcanic yellow zinc zincblende
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