 | 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) | | andElliott, 1980; Jacksonet al., in press). • Saudi Arabian Directorate-Generalof Mineral Resources...in- ternalstructure,andlithology.All exceptthe Jabal Sa'idaplite-pegmatite are discreteintrusions, but...2.4 km along the northern flank of the Ash arfvedsonite sieved with small laths of albite and granulesof...eastof the Jabal Aba ad Dud alkali granite. Petrography Porphyritic aegirine arfvedsonite microgranite...a matrix of albite, microcline,aegirine, and arfvedsonite(or biotite) with accessoryzircon, fluorite, |  | | Journal (article/letter/editorial) | | (37) Echassieres; (38) Limu; (39) Alakha; (40) Jabal Hamra; (41) Ghurayyah; (42) Halzan Buregtei; (43) Ulug-Tanzek;...VoznesenskoePogranichnoe Echassieres Limu Alakha Jabal Hamra Ghurayyah G G G A A Li,Ta, Sn, Be, W Sn,Ta...4data obtained from the analog located in the same region rather than from the object itself are italicized;...and metamorphosed Katugin massif of aegirine-arfvedsonite granites (Stanovoy belt) comprises the Zr–REE–F–Nb–Ta...these places of artisanal mining. Access to the region for state-owned and large private companies that |  | | Journal (article/letter/editorial) | | belt) with Zr–REE–F–Nb–Ta ores in aegerine– arfvedsonite granites. 468 PECULIARITIES OF SUPERCONTINENT...Considerably smaller resources are hosted in the Jabal Hamra and Halzan–Buregtei deposits (Arabian–Nubian |  | | Journal (article/letter/editorial) | | 2009); Umm Al Suqian albite– microgranite in Saudi Arabia (Bokhari et al., 1986) and Kenticha albite pegmatite...but do not contain rare-metals deposits, e.g. the Jabal Nikrab muscovite–albite granite in Sudan (Boled...leucogranite (El-Hadek, 2016) and RI Jabal Tarban in Saudi Arabia (Jackson, 1986b). These granitic bodies...of the Jabal Umm Al Suqian albitized apogranite, southern Najd region, Kingdom of Saudi Arabia. Journal...microgranite–microsyenite at Jabal Tawlah, Midyan region, Kingdom of Saudi Arabia. Journal of African Earth |  | Lyalina, L. M., Zozulya, D. R., Savchenko, Ye. E., Tarasov, M. P., Selivanova, E. A., Tarasova, E. (2014) Fluorbritholite-(Y) and yttrialite-(Y) from silexites of the Keivy alkali granites, Kola Peninsula. Geology of Ore Deposits, 56 (7) 589-602 doi:10.1134/s1075701514070095 | Journal (article/letter/editorial) | | attention owing to the discovery of the large Jabal Hamra raremetal deposit in the Arabian Shield, which...primary dark rock forming mineral is aegirine or arfvedsonite; occasion ally these minerals occur in equal...(Age of Reference Geological Complexes of the Kola Region and Duration of Magmatic Processes), St. Peters...from the Rode Ranch Pegmatite, Cen tral Mineral Region, Texas, Am. Mineral., 1973, vol. 58, pp. 545–547 |  | Macdonald, Ray, Bagiński, Bogusław, Zozulya, Dmitry (2017) Differing responses of zircon, chevkinite-(Ce), monazite-(Ce) and fergusonite-(Y) to hydrothermal alteration: Evidence from the Keivy alkaline province, Kola Peninsula, Russia. Mineralogy and Petrology, 111 (4) 523-545 doi:10.1007/s00710-017-0506-2 | Journal (article/letter/editorial) | | 7 Ga) or during fluid-thermal activation of the region during rapakivi granite magmatism (1.66–1.56 Ga)...discovery in the Arabian Shield of the large Jabal Hamra rare-metal deposit, which is hosted in a quartzolite...primary mafic rock-forming mineral is aegirine or arfvedsonite; occasionally they are present in equal amounts...quartzolites contain quartz, microcline, aegirine, arfvedsonite, magnetite, ilmenite, fluorite, zircon, fergusonite-(Y)...Ruschel et al. (2010) in fergusonite from the Berere region, Madagascar. Analytical work has focused on three |
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