| | Journal (article/letter/editorial) | a r t 1987 Age and nature of carbonatite emplacement in North Pakistan By M. J. LE BAS, I. MIAN, Leicester...Zusammenfassung Die nordpakistanischen Karbonatite Loe Shilman, Siiai Patti und jene aus dem Ambela-Komplex...Daten zeigen auf, daf~ die Alkaligesteine von Shilman und Silai Patti dem Karbon zuzuordnen sind und...bestimmt an Biotiten aus den Karbonatiten yon Loe Shilman und Silai Patti, ergeben ein Alter von 31 + 2...20 Ma angenommen. Abstract The N Pakistan carbonatites of Loe Shilman, Silai Patti and those within the | | | 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...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...magnesio-arfvedsonite for the first 30 metres from the carbonatite contact, and then increases in the magnesio-riebeckite | | | 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 | | | Journal (article/letter/editorial) | Indian Subcontinent carbonatites occur in India, Pakistan, Afghanistan and Sri Lanka; but so far not known...Myanmar. This paper takes an overview of the carbonatite occurrences in the Indian Subcontinent in the...Dongar), Pakistan (Permian Koga and Tertiary Pehsawar Plain Alkaline Complex which includes Loe Shilman, Sillai...Gruyter. Attribution 4.0 License Keywords: Carbonatite, Sevathur, Newania, Sung Valley, Amba Dongar...Plain, Khanneshin, Eppawala 1 Introduction Carbonatite melts are known to form by very low degrees of | | Orris, Greta J., Dunlap, Pamela, Wallis, John, Wynn, Jeff (2015) Phosphate occurrence and potential in the region of Afghanistan, including parts of China, Iran, Pakistan, Tajikistan, Turkmenistan, and Uzbekistan. Open-File Report 2015-1121. US Geological Survey doi:10.3133/ofr20151121 | Report (issue) | of Afghanistan, Including Parts of China, Iran, Pakistan, Tajikistan, Turkmenistan, and Uzbekistan By G...of Afghanistan, including parts of China, Iran, Pakistan, Tajikistan, Turkmenistan, and Uzbekistan, with........... 11 Cambrian Sedimentary Phosphate in Pakistan ................................................................................... 13 Hazara District ................................................20 Triassic-Jurassic Sedimentary Phosphate in Pakistan ............................................. | | | Journal (article/letter/editorial) | which have only 5â10 wt% K2O. Keywords: fenite, carbonatite, sodic metasomatism, potassic metasomatism, K-feldspar...(Traduit par la RĂ©daction) Mots-clĂ©s: fĂ©nite, carbonatite, mĂ©tasomatose sodique, mĂ©tasomatose potassique...understood to be âalkali silicate and associated carbonatite igneous activityâ. Although a side issue from...descent relationship between silicate magma and carbonatite magmaâ, and therefore the word § E-mail address:...within 20 km of each other; each has coexisting carbonatite and nephelinite. In this contribution, I consider | | | Journal (article/letter/editorial) | 300 Ma Collision Zone Carbonatites in Northwest Pakistan G. R. TILTON1,â, J. G. BRYCE1 AND A. MATEEN2 1...USA 2 PAKISTAN INSTITUTE OF ENGINEERING AND APPLIED SCIENCES, P.O. NILORE, ISLAMABAD, PAKISTAN RECEIVED...isotope data for the synorogenic Sillai Patti and Loe Shilman (30 Ma) and the pre-orogenic Koga and Jhambil...that case a lithospheric source for the 30 Ma Pakistan carbonatites was probably transported with the...Nd, Sr and Pb isotope patterns for the 300 Ma Pakistan plutons fit those for most intra-plate carbonatites | | | Journal (article/letter/editorial) | from the northern Indian plate, North-Western Pakistan: evidence of high-Ti basalts analogous to dykes...several Himalayan terranes including north western Pakistan. The field relations, mineralogy and whole rock...Geology, University of Peshawar, 25120 Peshawar, Pakistan 2 Camborne School of Mines, University of Exeter...Institute of Information Technology, Abbottabad, Pakistan subcontinental lithospheric mantle with some...have been reported from several localities in Pakistan (e.g. Papritz and Rey 1989; Pogue et al. 1992a; | | | Journal (article/letter/editorial) | Wales,from blueschist, reclassification, 533; Pakistan, sodic, in fenites, 187; New South Wales, 241...ElephantIsland, spheniscidite, new mineral, 291 Apatite, 3 APPEL, P. W. U., gahnite in Archaean iron-formation...minerals, New South Wales, 49 Carbonatite, Norway, RE mobility, 503; Pakistan, sodic amphiboles in fenites...Restormel mine, waylandite, 731; CUMBRIA, Lake District, tourmalinization in Skiddaw Group, 17 Erlianite...YANG, R., erlianite, new mineral, 285 Fenites, Pakistan, sodic amphiboles in, 187 Ferrierite, New Zealand | | | Journal (article/letter/editorial) | cr The petrogenetic relationships among three carbonatite units in the Potash Sulphur Springs alkaline...(1969, p.359) concludedthat micas i" t"h"'iil; carbonatite "represent rhe entire crystallization ;;;d; of... HEATHCOTE AND McCORMICK: PHLOGOPITE AND EVOLUTION OF CARBONATITE IJJ liths found in the Potash Sulphur Springs...ijolite, malignite, nephelinite, phonolite, and carbonatite. Numerous lamprophyre dikes are also present...HEATHCOTE AND McCORMICK: PHLOGOPITE AND EVOLUTION OF CARBONATITE TABLE2. Chemical composition of clinopyroxene | | | Report (chapter) | incompatible-element content. Further fractionation of carbonatite magma can produce mineralizing fluids rich in...rare-earth elements, F, Ba, U and Th. Dolomite carbonatite forms only in the deeper parts of carbonatitic...perhaps at depths greater than 2 km. Explosive carbonatite volcanism can occur giving widespread carbonate...with lavas. Fenitization characterizes ijolite-carbonatite intrusive complexes. Syenitic fenites containing...the Aln6 complex. He maintained that alkali carbonatite magma was the prime intrusive material at Aln6 | | | Journal (article/letter/editorial) | PARAGENESES OF MINERALS Micas from the Khaluta Carbonatite Deposit, Western Transbaikal Region G. S. Ripp...Received March 14, 2008 AbstractâThe Khaluta carbonatite deposit located in the western Transbaikal region...the southern framework of the Siberian Craton. Carbonatite is associated with shonkinite and syenite and...always observable. The ÎŽ18O values of micas from carbonatite, shonkinite, syenite, and fenite are similar...calculate the crystallization temperature of carbonatite. DOI: 10.1134/S1075701509080145 INTRODUCTION | | 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...Thus the large H8 dolomite is interpreted as a carbonatite intrusion that contains wall-rock xenoliths and...1â2 km thick; (c) that it contains clusters of apatite and magnetite crystals that are often elongate...that the cathodoluminescent properties of the apatite have been interpreted to indicate a sedimentary | | Vrublevskii, V.V., Bukharova, O.V., Nebera, T.S., Sveshnikova, V.L. (2019) Composition and origin of rare-metal (NbâTa, REE) and sulfide mineralization in magnesiocarbonatites from the Yenisei Ridge, Central Siberia. Ore Geology Reviews, 111. 102949 doi:10.1016/j.oregeorev.2019.102949 | Journal (article/letter/editorial) | Abstract The Penchenga Neoproterozoic linear fenite-carbonatite complex in the Yenisei Ridge consists of several...208Pb/206Pb) suggest a mantle PREMA + EM 2 source of carbonatite magma and mineralization (including Nb and REE)...in the Urals; Newania in India; Loe Shilman and Sillai Patti in Pakistan; Qinling orogen carbonatites in...such as the Neoproterozoic Penchenga fenite-carbonatite complex in the Southern Trans-Angara area of...experimental data (Lee and Wyllie, 1998, 2000), mantle carbonatite magma of this type can originate and emplace | | | Journal (article/letter/editorial) | fugacity trends during crystallization of calcite carbonatite magma in the Fen complex, Norway TOM ANDERSEN...Oslo 5, Norway Abstract Calcite carbonatite (scvite), associated apatite cumulates and contact metasomatic...the Fen complex (S. Norway) contain coexisting apatite and phlogopite. Two distinct compositional groups...coexists with low-F hydroxy-phlogopite (XF --~ 0.03). Apatite-biotite geothermometry suggests that the minerals...re-equilibration. This, combined with HF-barometry based on apatite-fluid and phlogopite-fluid F - O H exchange equilibria | | | Book | Dr. G. Liittig, Erlangen Band 25 GEOL OGY OF PAKISTAN edited by / F. K. Bender and H. A. Raza 1995...BORNTR AEGER · BERLIN · STUTTGART GEOLO GY OF PAKISTAN edited by F .K. Bender and H.A. Raza by D....Developme nt Institute of Pakistan, 230, Nazimuddi n Road F-7 /4, Islamabad, Pakistan. Dr. D. BANNERT, Dr....of Pakistan, FF 2 Block 59, Seaview Township, Defence Housing Authority, Karachi-75500, Pakistan. Prof...University of the Punjab, New Campus, Lahore-54590, Pakistan. Ongoing small scale detachment tectonics within | | 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 | | | Journal (article/letter/editorial) | alkaline silicate igneous rocks, forming alkaline-carbonatite complexes, but some occur as isolated pipes,...indicator mineral surveys Carbonatites and alkaline-carbonatite complexes are the main sources of rare earth...(REE) and Nb, and host signiïŹcant deposits of apatite, vermiculite, Cu, Ti, ïŹuorite, Th, U, natural zirconia... Nine per cent of carbonatites and alkaline-carbonatite complexes contain active or historic mines, making...Introduction Mineralised carbonatites and alkaline-carbonatite complexes are highly sought after, multi-commodity | | | Journal (article/letter/editorial) | 67(5), pp. 931â955 Potassic glass and calcite carbonatite in lapilli from extrusive carbonatites at Rangwa...the large Kisingiri nephelinite-carbonatite volcano, Homa Bay District, western Kenya (0Âș34âS; 34Âș09âE)...also originally potassic silicate) or calcite carbonatite, which suggests that two molten liquids were... The pyroclastic rocks contain many calcite carbonatite clasts, and fragments of calcite, aegirine and...are discussed. A rising silicate and K-rich carbonatite liquid may have evolved towards a carbonate-rich | | | Journal (article/letter/editorial) | trachyte from the first volcanic sequence (T1). Apatite and zircon are common accessories, whereas some...show sinuous contacts with large feldspar laths. Apatite and zircon are the main accessories, although some...occur. Quartz appears in the matrix. Oxides and apatite are accessories. Trachytes from the second sequence...Biotite (XFe = 99.7; Mn = 0.41 apfu), Ti-Mt and apatite 2.94% Mpd7 Coarse-grained alkaline syenite ...ferro-ekermanite 3.1% Wo35En1Fs64  Wo1En0Fs99 Apatite and titanite 5.32% Mpd1 Fine-grained quartz | | Walter, Benjamin F., Steele-MacInnis, Matthew, Giebel, R. Johannes, Marks, Michael A.W., Markl, Gregor (2020) Complex carbonate-sulfate brines in fluid inclusions from carbonatites: Estimating compositions in the system H2O-Na-K-CO3-SO4-Cl. Geochimica et Cosmochimica Acta, 277. 224-242 doi:10.1016/j.gca.2020.03.030 | Journal (article/letter/editorial) | understanding physicochemical processes involved in carbonatite-related hydrothermal ore mineralization and fenitization...Margules equations. The results suggest that carbonatite melts predominantly exsolve Na-K-sulfate-car...(Woolley and Kjarsgaard, 2008). About 500 intrusive carbonatite occurrences are known worldwide and exhibit a...melts (Mitchell, 2005). Approximately 10% of all carbonatite occurrences are of economic interest. These are...2015; Verplanck et al., 2016). While numerous carbonatite complexes appear to have experienced a multi-stage | | | Journal (article/letter/editorial) | Springer-Verlag1988 Fenitization at the Aln6 carbonatite complex, Sweden; distribution, mineralogy and...of feldspars, calcite, titanite, fluorite and apatite. In some areas, however, a distinctive narrow band...Von Eckermann's (1948) description of the Aln6 carbonatite complex has widely influenced later studies of...Eckermann's geological map, excluding the area of carbonatite centred on the skerries to the north and the...possible carbonatite centre at Avike Bay some 16 km east of Aln6, where aln6itic and carbonatite dykes occur | | | Journal (issue) | simpler and more familiar terms throughout. The Muzo district, centered about 8 km west of the town of Muzo...production of emeralds). Other mines in the Muzo district cited by various sources include the La Chapa...About 100 km southeast of the Muzo district is the Chivor district, higher in elevation than Muzo and...El Diamante and Los Cruzes mines in the Chivor district as well, but Schafer (1984) lumps these three...town of Borbur on the eastern edge of the Muzo district. At lower altitudes the area's climate is tropical | | | Report (issue) | Deposit/Site_Name, is meant to identify the area, deposit, district, mine, or occurrence to which the geologic, economic...duplicates, for some areas we report information for a district or area, as well as for specific deposits or mines...Phosphate, potash and natural gas occurrences in Pakistan, in Lee, A.I.N., ed., Fertilizer mineral occurrences...Company, 514 p. Born, H., 1989a, The Jacupiranga apatite deposit, Sao Paulo, Brazil, in Notholt, A.J.G....rare-earth minerals in monticellite-calcite carbonatite of the Oka Complex, Quebec: The Canadian Mineralogist | | | Report (issue) | Deposit/Site_Name, is meant to identify the area, deposit, district, mine, or occurrence to which the geologic, economic...duplicates, for some areas we report information for a district or area, as well as for specific deposits or mines...muscovite molybdenite guano pyrochlore, columbite apatite, fluorapatite monazite, bastnĂ€site quartz strontianite...Phosphate, potash and natural gas occurrences in Pakistan, in Lee, A.I.N., ed., Fertilizer mineral occurrences...the Bijawar rocks of Hirapur-Bassia areas, Sagar District, Madhya Pradesh, India: Mineralium Deposita, v |
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