Publications of the University of Pretoria: Natural science, Issues 1-8University of Pretoria, 1936 - Natural history |
Contents
THE MAGMATIC NICKELIFEROUS ORE DEPOSITS | 83 |
PHYSICAL FEATURES | 90 |
PETROGRAPHY | 102 |
6 other sections not shown
Common terms and phrases
aangetref aantal adults akinetiese insnoerings Aloe ander anorthite antenna aplites Bagnall baie Basal Zone batholith beskrywe biotite blemishes bornite bristles brown cages chalcocite chalcopyrite chromosome ciliaris Haw citrus thrips cleavage colour crystallisation crystals cubanite daar deur dié dieselfde distale dolerite duidelik dykes egter Faure felspar female fotomikr fruit geen genus gevalle grains granite groot Haplothrips hierdie spesie holotype hornfels hulle hypersthene insect Insizwa intrusion Kaigas Kuboos laasgenoemde lamellae lank larvae length Leptaloe Lk-chromosome maar magma margin materiaal mineral morfologie morfologiese olivine omtrent onder onderskei ondersoek orange orchard orthopyroxene pentlandite perthite phenocrysts plagioclase plant pleochroism Pole Evans Pretoria Priesner proksimale segmente prothorax pyroxene pyrrhotite quartz RESENDE Reynl rock satelliete Schönl setae silicates somatiese soos spines sulphides temperature thrips marking toon trees tussen twee tydens vallerite van die variëteit veins verskil verskillende voorkom waargeneem Waterfall Gorge width word