| | | associated with the Straumsvola Tvora alkaline plutons, Dronning Maud Land, Antarctica and their association...ACT Jurassic dykes of western Dronning Maud Land (Antarctica) form a minor component of the Karoo large...elsewhere in the Karoo (southern Africa and Dronning Maud Land). Later-stage (170 Ma) felsic (phonolite comendite)...now represented by western Dronning Maud Land in East Antarctica (Marsh et al., 1997; Le Gall et al....western Dronning Maud Land (Fig. 1). The syenites range from Si-undersaturated (Straumsvola pluton) to Si-oversaturated | | | Journal (article/letter/editorial) | studies of syenites from the Yamato Mountains, East Antarctica: Implications for the origin of syenitic magmas...metamorphism in the Yamato Mountains of East Antarctica. The area has been interpreted as part of a Cambrian...alkali basalt dikes widely occurring in East Antarctica. Such geochemical features are distinct from...analogy to posttectonic alkaline mafic dikes in Antarctica, it is proposed that the syenites were generated...of some post-tectonic alkaline dikes in East Antarctica, with their sources being the continental lithospheric | | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | and O, OH, F, and H20 Groups and Other Anions or Complex and Some Beryllosilicates 1020 1061 1106 1116...followed in this edition. The many and often very complex silicate minerals are here classified for the first...may be less for simple structures or more for complex ones. Typically, the projection is down the shortest...but ant predomin the to refers label The true. complex structures this may not be by species in a site...appearance of its surfaces in reflected light. It is a complex property that depends on a mineral’s reflectivity; |
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