Report of the Twenty-second Session, India, 1964, Parts 6-7The Congress, 1964 - Geology |
Common terms and phrases
acid aegirine agpaitic albite alkali Amer amphibolite apatite aplite associated authors beryl Bihar biotite carbonatite cent chambered pegmatites Chemical analysis Chemical composition complex country rocks crystallisation crystals Deccan Traps depth differentiation emplacement enclosing rocks facies felspar Fersman fluids fluorite formed fractures Geol geological giganto-migmatites gneisses granites granulites H₂O inclusions INDIA intrusion lepidolite liquid magma matites metamorphic metasomatic mica Mica Belt micaceous zones microcline microcline-albite migmatites Minas Gerais mineralisation muscovite nepheline syenites occur olivine Optical data pegma pegmatite bodies pegmatite fields pegmatite formation pegmatite units pegmatite veins pegmatites perthite phase Physical characters plagioclase pyroxene quartz quartzites Rajasthan Rajmahal rare elements rare-metal minerals rare-metal pegmatites regional zonality samples Sapucaia pegmatite schist shearing solutions spodumene stages structure tectonic temperature tholeiitic Tien Shan tion tites tourmaline types of pegmatites volatile X-ray data zonation АН СССР вып гранитных пегматитов