 | | Journal (article/letter/editorial) | | amphiboles in fenites from the Loe Shilman carbonatite complex, NW Pakistan I. MIAN AND M. J. LE BAS Department...ABSTRACT. The carbonatites at Loe Shilman, near Khyber in NW Pakistan, fenitize their country rocks to...solid solution series between magnesio-arfvedsonite and magnesio-riebeckite which coexist with varying proportions...and an increase in total iron away from the carbonatite contact. The pleochroism correlates with the...from the carbonatite contact. The Mg ratio decreases from 74 to 35 away from the carbonatite contact |  | | Journal (article/letter/editorial) | | series in fenites from the Loe Shilman carbonatite complex, N W Pakistan I. MIAN AND M. J. L~ BAS Department... Leicester LE1 7RH, UK Abstract The Loe Shilman carbonatite sheet complex comprises an extensive amphibole...minor biotite sovite and amphibole ankeritic carbonatite. The carbonatites have fenitized the country... Phlogopite-rich micas occur nearest to the carbonatite contact. The biotites occur in K-feldspar + albite...emanating from the biotite sovite. The ankeritic carbonatite is responsible for the formation ofphlogopite |  | Liu, Shang, Fan, Hong-Rui, Yang, Kui-Feng, Hu, Fang-Fang, Rusk, Brian, Liu, Xuan, Li, Xiao-Chun, Yang, Zhan-Feng, Wang, Qi-Wei, Wang, Kai-Yi (2018) Fenitization in the giant Bayan Obo REE-Nb-Fe deposit: Implication for REE mineralization. Ore Geology Reviews, 94. 290-309 doi:10.1016/j.oregeorev.2018.02.006 | Journal (article/letter/editorial) | | unique type of alkali metasomatism related to carbonatite or 26 alkaline igneous rocks, is widely distributed...distributed around the Mesoproterozoic 27 carbonatite dykes in the Bayan Obo giant REE-Nb-Fe deposit...been proposed. Fenitization associated with carbonatite is an 31 appropriate indicator of REE mineralizing...zonal 43 texture of sodic amphiboles from Wu carbonatite dyke. The early stage 44 fenitization was Mg...dyke. The initial alkali fluids derived from carbonatite commonly 49 exhibits LREE-rich patterns. Therefore |  | Le Bas, M. J., Xueming, Y., Taylor, R. N., Spiro, B., Milton, J. A., Peishan, Z. (2007) New evidence from a calcite-dolomite carbonatite dyke for the magmatic origin of the massive Bayan Obo ore-bearing dolomite marble, Inner Mongolia, China. Mineralogy and Petrology, 90 (3) 223-248 doi:10.1007/s00710-006-0177-x | Journal (article/letter/editorial) | | Netherlands New evidence from a calcite-dolomite carbonatite dyke for the magmatic origin of the massive Bayan...trace element distribution in dolomite-calcite carbonatite dykes at Bayan Obo are provided, and a Mid-Proterozoic...carbonatitic magmatic origin. The occurrence of riebeckite-bearing fenitized quartzites marginal to both...Thus the large H8 dolomite is interpreted as a carbonatite intrusion that contains wall-rock xenoliths and...similarity of the H8 dolomite marble to the carbonatite dykes nearby, indicated a carbonatitic origin |  | | Report (volume) | | carbonatites 53 TWYMAN, J. D. & GITTINS, J. Alkalic carbonatite magmas: parental or derivative ? 85 DAWSON...Outline of the petroIogy of the Kenya rift alkaline province 293 MACDONALD,R. Quaternary peralkaline silicic...petrochemistry of the northern part of the Chilwa alkaline province, Malawi 335 BOWDEN, P., BLACK, R., MARTIN, R...crystallization history of the Velasco alkaline province, eastern Bolivia 403 BARKER, D. S. Tertiary...alkaline magmatism in southern Greenland: the Gardar province 449 LARSEN, L. M. & SORENSEN, H. The Ilimaussaq |
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