 | | Journal (article/letter/editorial) | | combeite- and götzenite-bearing nephelinite at Nyiragongo, Virunga Volcanic Province in the East African...a c t The lavas and pyroclastic rocks of Nyiragongo volcano (East African Rift) range in composition...combeite nephelinite. In peralkaline nephelinites at Nyiragongo, titanium is hosted in mineral assemblages with...götzenite-bearing melilite nephelinite from Nyiragongo, Democratic Republic of Congo (Sahama, 1961, 1978; Sahama and...and Hill, 1998). The melilite nephelinite from Nyiragongo has provided type material for the mineral species |  | Minissale, Silvia, Zanetti, Alberto, Tedesco, Dario, Morra, Vincenzo, Melluso, Leone (2019) The petrology and geochemistry of Nyiragongo lavas of 2002, 2016, 1977 and 2017 AD, and the trace element partitioning between melilitite glass and melilite, nepheline, leucite, clinopyroxene, apatite, olivine and Fe-Ti oxides: a unique scenario. Lithos, 332. 296-311 doi:10.1016/j.lithos.2019.02.023 | Journal (article/letter/editorial) | | com/locate/lithos The petrology and geochemistry of Nyiragongo lavas of 2002, 2016, 1977 and 2017 AD, and the...81100 Caserta, Italy d JOC, UN-MONUSCO, UN-Goma, Congo b a r t i c l e i n f o Article history: Received...2019 Available online xxxx a b s t r a c t The Nyiragongo lava of 2002, and the new one flowing from the...found in the Nyiragongo lavas. These new data indicate that the magmatic system of the Nyiragongo is in a...All rights reserved. 1. Introduction The Nyiragongo volcano belongs to the Virunga Volcanic Province |  | | Journal (article/letter/editorial) | | and andremeyerite-bearing nephelinite from Nyiragongo volcano, East African Rift Tom Andersen a,⁎, Marlina...peralkaline leucite nephelinite from the active volcano Nyiragongo in the Virunga province of the East African...mineral. Low-variance mineral assemblages in Nyiragongo nephelinite define a cooling trend from eruptive...East African Rift (Shombole, Oldoinyo Lengai, Nyiragongo). A number of rare minerals that are characteristic...nephelinite from Nyiragongo in the Virunga volcanic province, Democratic Republic of Congo, including götzenite |  | | Journal (article/letter/editorial) | | Virunga) volcanic province (Fig. 1) is situated north of Lake Kivu. The most important and still active volcanoes...are Nyamuragira and Nyiragongo. According to Sahama (1973) the Nyiragongo volcano is mostly composed of...phonolitic to tephritic foidite. The Nyamuragira volcano shows tephritic to phonolitic rocks too. Sabordinated...basaltic rocks of ~outh Kivu is about 0.3. The volcanic activity in the South Kivu provirce began in Lower...Lueshe is located in the Ruindi Mountains of North Kivu (NE-gaire)~ about 40 km SSW of Lake ~ w a r d |  | | Journal (article/letter/editorial) | | INTRODUCTION Esch (1901) described Mt Etinde as a volcano built (1983) and of Peterson (1989a, 19894). •Present...of Birmingham on May 30, 2015 Mt Etinde is a volcano situated on the southwestern flank of of leucitites...lavas. ana upwards limit oi sconae <$"' Gabon : Congo Garnet leucite nephelinites Hauyne nephelinites...of Mt Etinde after Nkoumbou (1990) modified; (c) north-iouth cross-iection at 9°7'E; Kwele cliff limits...group is briefly described as a complement active volcano) volcanic events (Deruelle etal., 1983; to Table |  | Pekov, I. V., Chukanov, N. V., Kononkova, N. N., Zubkova, N. V., Rabadanov, M. Kh., Pushcharovsky, D. Yu. (2008) Elpasolite from hyperalkaline pegmatite of the Khibiny pluton, Kola Peninsula. Symmetry of elpasolite. Geology of Ore Deposits, 50 (8) 749-754 doi:10.1134/s1075701508080114 | Journal (article/letter/editorial) | | core of pegmatite in association with amicite, sodalite, aegirine, pectolite, catapleiite, sitinakite...as an exhalative mineral of Nyiragongo volcano, Democratic Republic of Congo (Bernard and Hyr š l, 2004)...carbonatite (Goldy); and alkaline volcanic complexes (Nyiragongo). Solely elpasolite from St. Peters Dome and...consists of potassium feldspar, nepheline, dark gray sodalite, alkali pyroxene and amphibole, eudialyte, lamprophyllite...acicular aegirine as large spherulites, lilac sodalite, columnar pectolite, villiaumite, lomonosovite |  | | Journal (article/letter/editorial) | | time observed in Ilímaussaq where it occurs where sodalite is replaced by natrolite and arfvedsonite by aegirine...some of the Cl generated by the alteration of sodalite, whereas the K and Fe originates from the replacement...lujavrites, which are arfvedsonite- or aegirine-bearing sodalite and alkali feldspar, nepheline syenites (Ussing...is fine grained, with grains up to 0.6 mm but sodalite grains can be up to 2 mm. In addition to the normal...lujavrite containing arfvedsonite, nepheline, sodalite, albite, aegirine, steenstrupine-(Ce) and natrolite |  | Clague, David A., Frey, Frederick A., Garcia, Michael O., Huang, Shichun, McWilliams, Michael, Beeson, Melvin H. (2016) Compositional heterogeneity of the Sugarloaf melilite nephelinite flow, Honolulu Volcanics, Hawai‘i. Geochimica et Cosmochimica Acta, 185. 251-277 doi:10.1016/j.gca.2016.01.034 | Journal (article/letter/editorial) | | SiO2-undersaturated lavas, 98 such as those from Nyiragongo Volcano (Tazieff, 1977; Tedesco et al., 2007), are...lava composition similar to those erupted at Nyiragongo, the Sugarloaf eruption 101 produced a 15-m...into the 117 underlying shield lavas of Ko‘olau Volcano. Clague and Dalrymple (1987) refer to these lavas...oxides, a trace to ~2 vol% apatite, a trace of blue sodalite (based on 7.8-8% Cl in 9 217 analyses in Wilkinson...clinopyroxene, melilite, titanomagnetite, nepheline, and sodalite from a pegmatoid zone 234 and a fine-grained |  | Zaitsev, A.N., Marks, M.A.W., Wenzel, T., Spratt, J., Sharygin, V.V., Strekopytov, S., Markl, G. (2012) Mineralogy, geochemistry and petrology of the phonolitic to nephelinitic Sadiman volcano, Crater Highlands, Tanzania. Lithos, 152. 66-83 doi:10.1016/j.lithos.2012.03.001 | Journal (article/letter/editorial) | | petrology of the phonolitic to nephelinitic Sadiman volcano, Crater Highlands, Tanzania A.N. Zaitsev a, b,⁎...Mineral stability fields Sadiman volcano a b s t r a c t Sadiman volcano is located in the Crater Highlands...andradite–schorlomite ± wollastonite ± sanidine ± sodalite are the principle pheno- and microphenocryst phases...All rights reserved. 1. Introduction Sadiman volcano (3°11′S, 35°25′E), also known as Satiman, is part...as the 1.6–1.5 Ma Oldeani basalt–trachyandesite volcano (Dawson, 2008; Mollel et al., 2008; 2011). ⁎ Corresponding |  | | Book | | With 249 Figures and a CD-ROM 123 Author Prof. Dr. Thomas Schlüter UNESCO Nairobi Office P.O. Box 30592...and institutions in several African, European and North American countries. My interest in the compilation...UNESCO Nairobi Office, Dr. Paul Vitta, Prof. Joseph Massaquoi, Alice Ochanda and Dr. Robert Höft (now Toronto)...of various geosites. Dr. Andreas Bergner (Potsdam), Wolfgang Zils (Berlin) and Dr. Christa Werner (Berlin)...of information on the geology of East Africa. To Dr. Wolfgang Wramik (Rostock) I am indebted for his |  | | Book (volume) | | felspars we have been particularly fortunate in having Dr W. S. MacKenzie close at hand and are most grateful....... 231 PETALITE.271 LEUCITE.276 SODALITE GROUP.289 Sodalite, Nosean, Haiiyne ...... 289 ........nomenclatures we have been guided princip¬ ally by Dr. W. S. MacKenzie, whose assistance is gratefully...Bakersville, North Carolina (Emmons, 1953). Anal. R. E. Stevens. 9. Oligoclase, Hawk Mine, North Carolina... G. M. 11. Oligoclase, Hawk Mine, Bakersville, North Carolina (Kracek & Neuvonen, 1952). Anal. E. Chadbourn |  | | Book (edition) | | co-author, teacher, mentor, colleague and friend, Dr. Joseph A. Mandarino. -Malcolm E. Back Fleischer's...they are: Dr. Peter Bayliss, Dr. Ernst A.J. Burke, Dr. Anton and hakhmouradian,Robert Gault, Dr. Julian...Låszl6 Horvåth, Dr. Uwe Kolitsch, Locock,Gaspare Malet.to,Dr. Roger Mitchell, Renato Pagano. Dr. Ole Petersen...Robert Ramik,Andy Roberts, hallit, Dr. Chris Stanley,Tony Steede and Dr. ThomasWitzke. upport and encouragementof...Red Sea covc, known as Sharm Abhur, about 30 km north of Jiddah. Saudi Arabia. 74, 500. 78. 235-236. CM |  | | Book | | HongKong Barcelona Budapest Professor Dr. A. B. KAMPUNZU Professor Dr. R. T. LUBALA Laboratoire de Petrologie...thank Springer-Verlag, the publishers, especially Dr. W. ENGEL (Geosciences Editorial) for the prompt...Permian times in Thdhak province (Fig. 2) along the north-south trending Tesoffi trough, on the eastern margin...northeastern Africa, especially in the Nile River valley, north from Khartoum towards the Egyptian frontier, the...continental trough on the southern borders of the Congo and Thnzania cratons, though comparable in size |  | | Journal (article/letter/editorial) | | xenoliths in the Oldoinyo Lengai carbonatitic volcano, Tanzania: Discusslon. 1455 Goss, J.A,, see Altaner...745 Hazen, R.M., Z.D. Sharp: Compressibility of sodalite and scapolite, II2O He11er-Ka11ai, L., I. Miloslavski...*r6u2+p"l+1voa)3-, a new fumarolic sublimate from Izalco volcano, E1 Salvador: Descriptive rnineralogy and crystal...0ldoinyo xenoliths crustal fenitized Tanzania: volcano, Lengai carbonatitic L468 Reply, 1111 Masuda, A...REE ninerals, 422 See Errata, 200 Nontronite,1346 North Carolina, grannockite, 595 Norway dollaseite-(Ce) |  | | Book | | manuscript. I thank my two sons Dr. Neal S. Gupta (Bryant University, USA), Dr. Rick S. Gupta of Weizmann.... . . . . . . . . . . . 521 About the Author Dr. Alok Krishna Gupta was born on December 25, 1942...Raja Ramanna Fellow of the Atomic Energy Commission. Dr. Gupta has received many awards in his distinguished...et al. 1962), but plagioclase is then absent. Sodalite group of minerals are rare, but reported from...Ca12[(Al8Si4Fe2)O32]Cl6, from the Bellerberg (Bellberg) volcano, Eifel, Germany. Carbonates (a solid solution of |  | | Book | | Switzerland, into an old Basel family. His father Dr Adolf Streckeisen was a Professor in Medicine. Later...including nepheline, leucite, kalsilite, analcime, sodalite, nosean, haüyne, cancrinite and pseudoleucite...unusual rock type is found only at Oldoinyo Lengai volcano in Tanzania. CaO calciocarbonatite 20 20 magnesiocarbonatite...Plutonic kalsilite-bearing rocks of the Aldan and North Baikal petrological provinces of Russia, which are...kalsilite, nepheline, Na-rich alkali feldspar, sodalite, nosean, haüyne, melanite, schorlomite or kimzeyite |  | | Book (volume) | | Schiavinatoite (Nb,Ta)BO4 Locality: Ampanodiana North pegmatite, Tetezantsio-Andoabatokely Pegmatite Field...Arsenato-Borates 57 Locality: Satimola salt dome, North Caspian region, Kazakhstan (type locality). Description:...Description: Colourless crystal from the association with sodalite, phlogopite, a humite-group mineral and zircon...Ti,Fe3+,Al)(BO3)O Locality: Hol Kol Mine (?), North Korea. Description: Dark brown grains. Mg-rich variety...Ca(CO3) Locality: Novofrolovskoye B-Cu deposit, North Urals, Russia. Description: Colourless grains forming |  | | Book | | quarry Miarolitic cavities in nepheline syenite Sodalite syenite Igneous breccia Pegmatites Marble xenoliths...the igneous complex. In nepheline syenite and sodalite syenite pegmatites, just as in the case of granitic...unassuming hill with a dusty stone quarry on its north flank, which some enthusiastic collectors refer...team. First and foremost, our special thanks go to Dr. Robert F. Martin, editor of the Special Publication... especially the president, Dr. Paula Piilonen, and the Past-President, Dr. Andrew McDonald, for their |  | | Book (edition) | | segments or subfiles: (N) Bibliography and Index of North American Geology (1785-1970) (T) Bibliography of...Bibliography and Index of Geology Exclusive of North America (1933-1968) (B) Bibliography and Index of...early volumes of the Bibliography and Index of North American Geology, edited by John M. Nickles and...older volumes of the Bibliography and Index of North American Geology (subfile N in the online database)...Bibliography and Index of Geology Exclusive of North America (subfile E), the indexing was arranged in |  | | Report (volume) | | ON THE COVER: Top Left: Image from Kawah Ijen volcano, Java, Indonesia in 1998. It shows sulfur being...-bearing minerals include S-rich apatite, hatiyne/sodalite, and silvialite. Despite the small abundance of...near-atmospheric pressure. Rev Mineral Geochem 73:143-165 Baker DR, Moretti R (2011) Modeling the solubility of sulfur...reef, Bushveld complex. J Petrol 41:545-561 Bandura DR, Baranov VI, Tanner SD (2002) Detection of ultratrace...ICP-MS study of melt inclusions from Galunggung Volcano, Indonesia. Geochim Cosmochim Acta 65:3147-3164 |  | | Book | | tennantite (7 Sect. 5.5), β-boracite, β-Mg3B7O13Cl, sodalite (7 Sect. 11.6.3). 5 432, cubic-gyroidal: three...Cretaceous age are widely exposed on the coasts of the North and Baltic Sea, e.g., in southern England and on...predominate. Among these are salt particles from the North Sea whose proportion may reach as much as 50% of...however, after the detection of rich Ag deposits in North and South America, most states switched to the gold...conditions of ultra-high pressure. C.A.R.: Republic Congo. >2.5 Ga: Archaic cratons; 2.5–1.6 Ga: Lower Proterozoic |  | | Book (edition) | | four seg¬ ments or subfiles: (N) Bibliography of North American Geology (publications from 1785-1970) (G)...Bibliography and Index of Geology Exclusive of North America (published from 1933-1968) (B) Bibliography...that in the early volumes of the Bibliography of North American Geology, edited by John M. Nickles and...unless there are more than 10. The same applies to North American rock formations (up to 10 per citation)...example: El Chichon BT Chiapas BT Mexico Mexico BT North Amercia Broader Terms have the following subdivisions: |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Identification of Ore Minerals, 2nd ed., Elsevier-North Holland, New York, 1971. The word “opaque” may also...Asia 12. Middle East 13. African Countries, from north to south 14. Oceania 15. Australia 16. Antarctica...Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania...Yukon States, Australia New South Wales Northern Territory Queensland South Australia Tasmania Victoria Western...distance of 500 miles, from Nizhne Tagilsk in the north to Orsk in the south; in Siberia important placer |  | | Book | | by Mineralogical Society of America; the author, Dr J S Myers for fig 49 from fig 7 (Myers 1975); New...Rocks, which are on the mid-Atlantic ridge just north of the Equator (Roden et al. 1984). At several other...main present-day volcanism is concentrated in a north¬ east-south-west belt through the middle of Iceland...Reykjanes ridge, which is the axis of spreading in the North Atlantic ocean. There are older Quaternary and Tertiary...lavas to become progressively more alkaline in a north-westerly direction, i.e. away from the ocean margin |  | | Journal (volume) | | Sussex P0191 UO, England (Telephone 0243 770350). North Ame,,ca: Arthur C. Lipner. National Advertising...Lavas from the Kahuzi- Biega Region, Western Rift, Kivu, Zaire: R. T. Lubala, A. B. Kampunzu, J. P- H. Caron...traverse and reappears in two separate lenses, to the north and along strike (Figure 9), indicating the BARBERTON...dominant sense of n1ovement of the 02 thrusts to the north in the northern and western part of the succession...Onverwacht Group adjacent to the Lochiel Granite, north west Swazila nd. Geological Society of S0111h Aji·ica |
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