 | | Journal (article/letter/editorial) | | DIFFERENCES IN THE MINOR ELEMENT COMPOSITION OF BERYL IN VARIOUS ENVIRONMENTS1 Monrruon H. Sr.llrz, Warrncn...found in beryl by spectrographic analysis, but only 13 made up as much as 0.1 per cent of any beryl. Beryl...contain relatively large amounts of cs, Rb and Li. Beryl from wallrock adjacent to pegmatite generally has...Sc, V, Cr, Mg, Fe and Ni than beryl from pegmatite, and less Rb. Beryl comes from several types of veins...various elements may vary widely, Generally, however, beryl from veins contains only small amounts of cs, Rb |  | | Report (volume) | | (Southeast Asia) are associated with a stanniferous region of type 1. At many places, extensive areas have...valuable minerals such as columbite-tantalite, beryl, or spodumene. Most productive pegmatites are in...the world. AFRICA 1. El Karit area, Morocco 2. lgla, Nuweibeh Abu, and Dabbab el Mueilha areas, Untited...area 5. Yana-Adycha area 6. Erge-Khaya-Deputatskiy region 7. Ust'-Omchug, Batugychag area 8. Bilibina area...cassiterite occurs in small amounts associated with minor beryl and columbite-·tantalite, and much spodumene. Many |  | | Book | | of Earth Sciences Mohammed Ist University Oujda Morocco ISSN 2365-0559 Mineral Resource Reviews ISBN 978-3-319-31731-1...data on diverse types of metallic deposits in Morocco, Algeria, Tunisia, Mali, Mauritania, Egypt, Sudan...the setting and origin of major deposits in the region, together with information on tonnages and grades...lead-zinc-silver deposits of the Tighza district of Morocco, proposing links to granite-related porphyry and...Zgounder epithermal silver-mercury deposit of Morocco, providing evidence for a genetic tie to Neoproterozoic |  | | Book | | sometimes an essential mineral: schorl, musco¬ vite, beryl, topaz, cassiterite, albite, lepidolite and epidote...granite. For example, the Ment porphyritic granite, Morocco (p. 65), grades towards its margins into a microgranite...The sketches of embrechites of the SaintEtienne region of France given by A. Demay (1942) illustrate some...CIRCUMSCRIBED MASSIFS The Ouïmes batholith, in Central Morocco, with an area of 10 km by 5 km, has a concordant...structurally discordant within a folded series in the same region. It has border cupolas of the same type, containing | | | Book | | sometimes an essential mineral: schorl, muscovite, beryl, topaz, cassiterite, albite, lepidolite and epidote...granite. For example, the Ment porphyritic granite, Morocco (p. 65), grades towards its margins into a microgranite...The sketches of embrechites of the SaintEtienne region of France given by A. Demay (1942) illustrate some...CIRCUMSCRIBED MASSIFS The Oulmes batholith, in Central Morocco, with an area of 10 km by 5 km, has a concordant...structurally discordant within a folded series in the same region. It has border cupolas of the same type, containing |  | | Book | | deposits, for example in Afghanistan (to choose a region where very early low-tin bronze has been found)...Hoggar massif of southern Algeria, notably in the El Milla-Coolo area. There are several minor occurrences...occurrences in the Moroccan Atlas, and at EI Karit near Oulmes a few tonnes are produced by open-cast mining...the Eastern Desert has proved to be a rare-metal province containing, among other things, tin (cassiterite)...m.y. (million years}.2 Cassit-erite was found at El Mueilha early in 1934.3 Cassiterite found at Igla |
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