 | Estrade, Guillaume, Marquis, Eva, Smith, Martin, Goodenough, Kathryn, Nason, Peter (2019) REE concentration processes in ion adsorption deposits: Evidence from the Ambohimirahavavy alkaline complex in Madagascar. Ore Geology Reviews, 112. 103027 doi:10.1016/j.oregeorev.2019.103027 | Journal (article/letter/editorial) | | deposits: evidence from the Ambohimirahavavy alkaline complex in Madagascar Guillaume Estrade, Eva Marquis, Martin...deposits: evidence from the Ambohimirahavavy alkaline complex in Madagascar, Ore Geology Reviews (2019), doi:...deposits: evidence from the Ambohimirahavavy alkaline complex in Madagascar Authors Guillaume Estrade1*, Eva...data from the Cenozoic Ambohimirahavavy alkaline complex in Madagascar, with the aim of further constraining...granitic dykelets. The weathering mineralogy includes gibbsite, clay minerals and minor Fe and Mn oxyhydroxides |  | | Journal (article/letter/editorial) | | perovskite-group minerals from the Lovozero alkaline complex, Russia ANTON R. CHAKHMOURADIAN1)* and ROGER H...murmanite lujavrites at the Lovozero alkaline complex (Russia). These rocks contain euhedral crystals...rocks, Lovozero complex, Kola Peninsula, Russia. Introduction The Lovozero alkaline complex in the Kola...and remarkable degree of differentiation. The complex consists of several intrusive series emplaced in...amphibole-albite) rocks are very common at the margins of the complex, where they develop at the expense of earlier-crystallized |  | | Report (issue) | | half-life of 238U. The decays of 235U and 238U are complex, with many intermediate daughter products. These...Xiangshan (China) Rössing (Namibia), Ilimaussaq (Greenland), Palabora (S. Africa) Olympic Dam (Australia)...fit into other types, and have origins that are complex (Ruzicka 1982, IAEA 1986, Martin-Izard et al. 2002)...about 10% of the global U production. (5) Breccia complex deposits of U are dominated by the Mesoproterozoic...granite breccia complex in the Gawler Craton (Reeve et al. 1990). The central core of the complex is barren |  | | Journal (issue) | | the mineral community. You are a fascinating and complex family. April 1964 Copper (both sides), 13.6 cm...2019 John Dagenais Crocoite with dundasite and gibbsite, 16.2 cm, from the Adelaide mine, Zeehan district...and nelenite, 8.5 cm, from the Huanggang mine complex, Chifeng, Inner Mongolia, China. Jeff Scovil photo...Chabazite in a drill core, 6.3 cm, from Disko Island, Greenland. Collected in 2013. (top) Smoky quartz with phantoms...cm; from Tunulliarfik South, IlĂmaussaq complex, Narsaq, Kujalleq, Greenland. (left) In daylight, (middle) |  | | Conference Proceedings (Volume) | | Paleoproterozoic U-mineralization in the Archean Pudasjärvi Complex, northern Fennoscandian Shield ..................Beaufort Kvanefjeld – a large uranium deposit in Greenland ...............................................& W. Dawes Rare earth elements in Europe and Greenland: a geological potential? An overview Nicolas...characteristics of the Yonghwa phoscorite-carbonatite complex, Korea . . ......................................mineralization is related to gabbro-dioritetonalite complex. Ore bodies are conformable to contacts of the |  | | Journal (article/letter/editorial) | | A818 Chemical stratigraphy of UG2, Bushveld Complex, SA: Comparison of analytical methods Lithogeochemistry...transformation via a fluid phase. - Study of the complex, diffusion-controlled growth of orthopyroxene reaction...microinclusions in other minerals. - Characterization of complex zoning patterns of small areas in accessory minerals...spread along the Azores Plateau, is situated in a complex tectonic setting, containing the junction of three...giving place to Topo complex in the SE, Rosais complex in the NW and to Manadas complex that covered the |  | | Journal (article/letter/editorial) | | the shear zones and undeformed granites show a complex cooling history. Two cooling events can be identified...Erlström M., (2003) The Jurassic of Denmark and Greenland. pp. 527-541. Whitehouse M.J., Kamber B.S and...metamorphic reorganization of the uniform stratified complex of primary crust granitoids. To understand a geological...of the Kola Peninsula, the Canadian Shield and Greenland. New geochronological results (U-Pb zircon and...eclogitefacies metabasalts of the Zermatt-Saas ophiolite complex, western Alps, record large segments of the prograde |  | | Journal (article/letter/editorial) | | the fracturematrix interface. They describe a complex curved profile over the first 6 m of the drillcore...welldescribed alkaline complexes, including examples from Greenland, the Kola peninsular of Russia, and NW Namibia...the alkali content and GD value from the IlĂmaussaq complex is observed. These data suggest that H-isotope...alkali-element contents in the amphiboles, implying complex fluid-mineral equilibration in these highly alkaline...water. Results and Discussion Aggravated by the complex and unclear hydrogeological situation, this study |  | | Report (issue) | | solubility of fluorite as a function of temperature for complex Na-Ca-Mg-Cl brines from ambient temperatures to...subsurface geology of the Saint-HonorĂ© carbonatite complex in southern Quebec, Canada, and a schematic north-south...showing the Rustenburg Layered Suite of the Bushveld Complex, South Africa, the surface trace of significant...Karee Mine in the western part of the Bushveld Complex, South Africa....................................Geologic map and cross section of the Stillwater Complex, Montana...........................N19 Photograph |
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