| | Report (issue) | EROTZKY EDITIONS DU SERVICE GEOLOGIQUE DU MAROC RABAT 1978 5 SOMMAIRE Préface, par M. SAADI 7 Introduction...métamorphiques PI1tourant les massifs granitiques (Zaër, Oulmès, Ment, Alouana, Zekkara, Azgour, Azguemerzi, Tazenakht...références bibliographiques. Les caractères minéralogiques el chimiques indiqués se rapportent généralement à un...consacrée par aucun acte officiel. Le dépouillement el le premier tri des échantillons, enfermés dans des...Fuster sur les vulcanites du Rif nord-oriental (province volcanique de la Guelaya), dont l'un représente | | | 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 | tourmaline, garnet, cordierite, andalusite, sillimanite, spinel, corundum, epidote, zoisite and allanite...hornblende. Andalusite, sillimanite and cordierite Andalusite and sillimanite, aluminum silicates of identical...milation of aluminous material may be suspected. Sillimanite forms a felt ol fibres or microscopic rods associated...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 | | | Book | tourmaline, garnet, cordierite, andalusite, sillimanite, spinel, corundum, epidote, zoisite and allanite...hornblende. Andalusite, sillimanite and cordierite Andalusite and sillimanite, aluminum silicates of identical...assimilation of a.luminous material may be suspected. Sillimanite forms a felt of .fibres or microscopic rods associated...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 | | | 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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