 | | Book | | Ghana Kenya Malawi Rhodesia Sierra Leone Tanzania Uganda Zambia Canada India Australia New Zealand Nepheline-Syenite...Occurrences of nepheline-bearing rocks in parts of Uganda and Kenya page 62 Figure 6 Nepheline-syenite...Kalsilite, recalculated from an analysis of a complex phenocryst of kalsilite and nepheline lava of Baruta...crystallises in the hexagonal system and has a complex formula that represents essentially a hydrated...diagram of the system SiO.-NaAlSiO,-KAISiO, with region of low temperature indicated by stippled area. |  | | Book | | of these materials, indicate its place in the complex fabric of modern industry, and describe the geology...make the field of industrial minerals and rocks complex, unpredictable, and endlessly interesting. Sources...ultramafic rocks, including ophiolites (chrysotile of eastern North America and Califor- Determination of tensile...commonly no more than % inch. The veinlets make a complex stockwork extending throughout the body of serpentine...organs. Several factors make the health problem complex and formidable. First, some of these dis- eases |
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