 | Drysdall, Alan R., Jackson, Norman J., Ramsay, Colin R., Douch, Colin J., Hackett, Damien (1984) Rare element mineralization related to Precambrian alkali granites in the Arabian Shield. Economic Geology, 79 (6) 1366-1377 doi:10.2113/gsecongeo.79.6.1366 | Journal (article/letter/editorial) | | rangefrom6 millionmetrictons(JabalTawlahandUmmal Birak)throughñ20 millionmetric tons(JabalSa'id and JabalHamra')...quartzvein sysshield($toeserandElliott, 1980;Roobolet al., 1983). significance etc., containing combinations...various 1979; Stoeserand Elliott, 1980; Jacksonet al., in Ministryfor Mineral Resources,andit hasbeendem-...s(StoeserandElliott, 1980; Jacksonet al., in press). • Saudi Arabian Directorate-Generalof Mineral Resources...the five mineralized intrusions. 368 DHYSDALL ET AL. Main Features of the Five Mineralized Intrusion |  | | Report (issue) | | MINERAL DEPOSITS OF THE ARABIAN SHIELD, KINGDOM OF SAUDI ARABIA by J. E. Elliott U.S. Geological Survey Open-File...Ministry for Mineral Resources Jiddah, Kingdom of Saudi Arabia 1403 AH 1983 AD 1983 This report is preliminary...MINERAL DEPOSITS OF THE ARABIAN SHIELD, KINGDOM OF SAUDI ARABIA by J. E. EliiottI/ ABSTRACT In the Precambrian...widespread and abundant in the Precambrian shield in Saudi Arabia and include granodiorite, monzogranite, syenogranite...no ecc nomic deposits have yet been found in Saudi Arabia associated with similar granites. However, many |  | | Journal (article/letter/editorial) | | magmatism to post tectonic alkaline magmatism in Saudi Arabia and West Africa. For the remainder ol the Phanerozoic...Mineralization Phanerozoic Cameron Niger Nigeria Sudan Saudi Arabia Namibia 1. Introduction Most of the African...early Phanerozoic in Saudi Arabia (Drysdall et ul. 1986) and West Africa (Liegeois et al, this volume). Recent...Recent detailed investigations in Saudi Arabia (Drysdall et (11. 1986) has shown that the oversaturated...peralkaline alkali-feldspar granites throughout the Saudi Province in the period from 610-510 Ma (Stoeser |  | | Report (issue) | | TO THE MAP OF PROTEROZOIC GEOLOGY OF WESTERN SAUDI ARABIA BY PETER R. JOHNSON TECHNICAL REPORT SGS-TR-2006-4...Report prepared by the Saudi Geological Survey, Jeddah, Kingdom of Saudi Arabia The work on which this...this report is based was performed in support of Saudi Geological Survey Subproject 4.1.1.1.6 — Compilation...It has been edited and reviewed by staff of the Saudi Geological Survey. Product names used in this report...endorsement by SGS. This report is a product of the Saudi Geological Survey; if the information herein is |  | | Journal (article/letter/editorial) | | 1995;1997; Badanina et al., 2010; Gu et al., 2010; Dostal et al., 2015; López-Moro et al., 2017). These leucogranites...albitization and topazation (e.g. Beus et al., 1968; Černý, 1992; López-Moro et al., 2017); or (b) magmatic origin...obsidian in Peru; Barnes et al., 1970; the Transbaikalian ongonites, Kovalenko et al., 1971 and the Richemont...Richemont rhyolite, Massif Central; Cuney et al., 1992). A magmatic origin for such rare-metal bearing granites...London, 1987; Mackenzie et al., 1988; Cuney et al., 1992; Taylor, 1992; Fedkin et al., 2002). In Egypt, there |  | | Book | | Mafic-Ultramafic Magmatism in the Southwest Uganda Region of the African Rift: Implications from Experimental.... . . ... 3 The Crust Under the Canary Islands Region ............. 4 Network of Fractures and Identity...Identity of Vertical Movements in the Canary Islands Region ........................... 4.1 Transoceanic and...in Mali (Caby and Moussu 1967; Black et al. 1979; Fabre et al. 1982), or further east in the Nigerian...with alkaline igneous lavas (McCurry 1975; Fabre et al. 1982). Distribution of the Main Phanerozoic African |  | | Journal (volume) | | McClory . . . . . . . . . . 45 Polymetamorphic, Al, Mg-rich Granulites with Orthopyroxenesillimanite...Tertiary Alkaline Lavas from the Kahuzi- Biega Region, Western Rift, Kivu, Zaire: R. T. Lubala, A. B...an orthopyroxene- si llim anite association from Al-Mg rich granulites within Archaean aluminous metapelites...ic crust overla in by submarine fan deposits and al luvia l fan sediments. Th is sedimentation wh ich...granite/greenstone terrain (c:f Vea rn co,nbe et al. 1986) and comprises volcanic and sedimentary rocks |  | | Book | | Lutetium z r'• 39 64 65 66 67 68 69 70 71 1.o19 Al 1.053 1.040 1.027 1.015 1.004 0.994 0.985 0.977 ...blue-violet fluorescence ofthe Cumberland fluorites (Billet al. 1967; Bill and Calas 1978). As for the tetravalent...an average distance RE-0 of2.243 A (Gatehouse et al. 1979); some Ce 4 + is apparently associated with... hellandite (Ca,Y)s(Al,Fe3 +) Si4 B4 0 20 (0H) 4 and tadzhikite Ca 3 (Ce,YMTi,Al,Fe3 +)Si4 B4 Ü 22 •...distances respectively of 2.584 and 2.582 Ä (Dal Negro et al. 1977), allowing accommodation oflarge REE: lanthanite-(La) |  | | Report (volume) | | Neoproterozoic dextral faulting on the Najd Fault System, Saudi Arabia, preceded sinistral faulting and escape tectonics...at this time (e.g. Meert & Powell 2001; Powell et al. 2001). Both models still command strong support...second points out some shortcomings. Pisarevsky et al. synthesized recent palaeomagnetic and geological...separated by two Pan-African orogenic belts. Yoshida et al. present a balanced overview of the Grenvillian-Circum-East...present volume by Bauer et al Fitzsimons et a/., Kusky & Matsah and Yoshida et al Yoshida (1995) and Unrug |
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