 | Reato, Luca, Huraiová, Monika, Konečný, Patrik, Marko, František, Hurai, Vratislav (2022) Formation of Esseneite and Kushiroite in Tschermakite-Bearing Calc-Silicate Xenoliths Ejected in Alkali Basalt. Minerals, 12 (2) 156 doi:10.3390/min12020156 | Journal (article/letter/editorial) | | Tschermakite-Bearing Calc-Silicate Xenoliths Ejected in Alkali Basalt Luca Reato 1 , Monika Huraiová 1 , Patrik Konečný...Tschermakite-Bearing Calc-Silicate Xenoliths Ejected in Alkali Basalt. Minerals 2022, 12, 156. https://doi.org/10.3390/...pyrometamorphic reworking during transport in alkali basalt. Concomitant alkali metasomatism produced neoformed...xenolith; kushiroite; esseneite; melilite; alkali basalt; Carpathians Copyright: © 2022 by the authors...intercalated with limestones and lignites from the Lapanouse-de-Sévérac area in France [3]. Here, unusual clinopyroxenes |  | | Journal (article/letter/editorial) | | 2011 Sr-Na-bearing åkermanite and nepheline in nephelinite 187 Sr-Na-bearing åkermanite and nepheline in... Shimane University, Matsue 690-8504, Japan Åkermanite and nepheline found within melilite-olivine nephelinite...2091 ppm and 958 ppm, respectively. Forsterite, åkermanite, augite, ulvöspinel and apatite occur as microphenocrysts...druses. Åkermanite occurs as prismatic to anhedral microphenocrysts. The rims of the åkermanite microphenocrysts...microphenocrysts are dissolved and overgrown by augite. Åkermanite has an average composition of (K0.011Na0.390Ba0 |  | | Report (issue) | | 5296(15) Z=2 X-Ray Diffraction Pattern: Graulai quarry, near Hillesheim, Rhineland-Palatinate, Germany...20 2.41 15.54 52.94 [19.14] 101.65 (1) Graulai quarry, near Hillesheim, Rhineland-Palatinate, Germany;...Encrusts the walls of miarolitic cavities in alkali basalt. Association: Nepheline, augite, fluorapatite,...lamprophyllite group minerals, åkermanite. Distribution: From the Graulai basalt quarry, near Hillesheim, Eifel |  | | Journal (article/letter/editorial) | | Group 3 spinels are found in contact with the basalt; their zonation patterns and compositions diverge...Group 2 spinels. Group 4 spinels, located near the basalt contact, consist of symplectic intergrowths with...the pyroxenes, Group 4 spinels. Contact with the basalt was responsible for the trends observed in Group...Paleocene/late Oligocene age. Its location is in a quarry near the town of San Giovanni Ilarione (SGI), Lessini...dif fers from that of the typical kimberlite or basalt trends (Durazzo et al., 1984), although it is close |  | | Journal (article/letter/editorial) | | monticellite + spinel, and one also contains åkermanite. Reaction zones are dominated by diopside and...display extreme zoning in Si, Al, Ti, and XMg. Åkermanite contains up to 1.5 wt% Na2O. Textures in the...intergrowths of diopside, forsterite, and monticellite. Åkermanite and forsterite are separated locally by a coarse...+ forsterite + monticellite, with additional åkermanite in one case. Such assemblages represent the very...Forsterite 25 30 tr* 20 Diopside 30 20 10 tr Åkermanite – – 25 – Spinel 10 15 2 20 Magnetite tr tr – |  | | Journal (article/letter/editorial) | | radiography. This composition of melt was used as a model basalt, because the ratio of the non–bridging oxygen (NBO)...Natural melilite is formed by the solid solution of åkermanite (Ca2MgSi2O7), gehlenite (Ca2Al2SiO7), and soda...such as åkermanite–nepheline–wollastonite (Schairer and Yoder, 1964) and diopside–åkermanite– nepheline... liquid soda melilite has been used as a model basalt melt (Mysen and Virgo, 1980a, 1980b). The viscosity...Virgo, D. (1980b) Solubility mechanisms of water in basalt melt at high pressures and temperatures: NaCaAlSi2O7–H2O |  | | Journal (article/letter/editorial) | | melilitite to nephelinite and minor alkali olivine basalt, and include rare examples of strongly peralkaline...ranging in composition from (minor) alkali olivine basalt to nephelinite, leucite nephelinite, melilite nephelinite...sampled by an expedition from the Centre National Belge de Volcanologie in 1959 and kept in the petrology collection...p.f.u.), Mg/(Mg + Al) > 0.5, and classify as åkermanite in the sense of Wiedenmann et al. (2009), but...Perovskite, Ti-bearing magnetite and götzenite. Åkermanite is not stable together with the groundmass minerals |  | | Journal (article/letter/editorial) | | silica-undersaturated mafic-to-intermediate igneous rocks (alkali basalt, basanite, gabbro/syenite, nepheline syenite, olivine...melaphonolites of Puy de Saint-Sandoux (Grünhagen and Seck, 1972); (2) Ca-contaminated alkali basalt at the contact...Choir–Nyalga basin (CNB) and the Tugrug brown coal quarry (star, coordinates 46° 53’07ˮN, 108°02’55ˮE) in...the three outliers, near the Tugrug brown coal quarry (Fig. 1), in bulldozer ditches stripping the sedimentary...endmembers in different samples (Fig. 4): 10– 85 mol.% åkermanite (Ca2MgSi2O7), 0–42 mol.% ferroåkermanite (Ca2Fe2+Si2O7) |  | Pascal, M.-L., Katona, I., Fonteilles, M., Verkaeren, J. (2005) RELICS OF HIGH-TEMPERATURE CLINOPYROXENE ON THE JOIN Di CaTs WITH UP TO 72 mol.% Ca(Al,Fe3+)AlSiO6 IN THE SKARNS OF CICLOVA AND MAGUREAUA VATEI, CARPATHIANS, ROMANIA. The Canadian Mineralogist, 43 (3) 857-881 doi:10.2113/gscanmin.43.3.857 | Journal (article/letter/editorial) | | CARPATHIANS, ROMANIA MARIE-LOLA PASCAL§ CNRS – Institut des Sciences de la Terre dʼOrléans, 1A, rue de la Férollerie...Paris, Cedex 05, France, et Unité de Géologie, Université Catholique de Louvain, 3, Place Louis Pasteur...05, France JEAN VERKAEREN Unité de Géologie, Université Catholique de Louvain, 3, Place Louis Pasteur...Belgium ABSTRACT In the western Carpathians of Romania, clinopyroxene with a very high content of the...microsommite, wollastonite, Carpathian Mountains, Romania. § Present address: Equipe Pétrologie, Modélisation |  | Melluso, L., Srivastava, R. K., Guarino, V., Zanetti, A., Sinha, A. K. (2010) MINERAL COMPOSITIONS AND PETROGENETIC EVOLUTION OF THE ULTRAMAFIC-ALKALINE - CARBONATITIC COMPLEX OF SUNG VALLEY, NORTHEASTERN INDIA. The Canadian Mineralogist, 48 (1) 205-229 doi:10.3749/canmin.48.1.205 | Journal (article/letter/editorial) | | Valley complex, India. Sommaire Le complexe alcalin de Sung Valley, en Inde, d’âge crétacé inférieur, est...carbonatites. La composition des minéraux mafiques témoigne de l’enrichissement en fer typique en direction des...que leur filiation serait complètement différente de celle qui a produit les roches mafiques et felsiques...indiquent que ce complexe a été formé par des venues de magma primitif ayant une affinité distincte, § ...the canadian mineralogist produisant un cortège de mélilitites à olivine, des néphélinites à olivine |  | Whitley, Sean, Halama, Ralf, Gertisser, Ralf, Preece, Katie, Deegan, Frances M, Troll, Valentin R (2020) Magmatic and Metasomatic Effects of Magma–Carbonate Interaction Recorded in Calc-silicate Xenoliths from Merapi Volcano (Indonesia) Journal of Petrology, 61 (4) doi:10.1093/petrology/egaa048 | Journal (article/letter/editorial) | | Compositionally, the erupted material is medium to highK basalt to basaltic andesite with a restricted range of...Na-melilite, were allocated between gehlenite, åkermanite and Fe-åkermanite. These mole fractions were calculated...the Theriak-Domino software (built date 3-1-2012, de Capitani and Petrakakis, 2010), using calculated...clinopyroxene, and mixing between gehlenite and åkermanite. Therefore, ideal mixing was assumed for these...in gehlenite-rich skarns from the Carpathians, Romania; Pascal et al., 2005). Fe3+/∑Fe (calculated following |  | 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) | | Nyiragongo range in composition from (minor) alkali basalt to nephelinite, leucite nephelinite, melilite nephelinite...solution of åkermanite (Ca2MgSi2O7, 43–55 mol%), soda-melilite (CaNaAlSi2O7, 27–35 mol%), Fe-åkermanite (Ca2FeSi2O7...with respect to that of 2002 lava (53– 66 mol% åkermanite, 23–26 mol% soda-melilite, 14–22 mol% Feåkermanite...Composition of the Nyiragongo melilites in the Åkermanite-Fe-Åkermanite-soda-melilite diagram (mol.%). Melilites...296–311 Acknowledgements We gratefully thank Roberto de’ Gennaro (particularly), Ciro Cucciniello, Lorenzo |  | | | | acicular green crystals in siliceous xenoliths in basalt on Dogs Head Tier, Interlaken, associated with...acicular brown crystals in hornfelsed xenoliths in basalt on Dogs Head Tier at Interlaken, optically appear...at Mt Lyell (R. Bottrill, unpublished data). Åkermanite (Ca,Na,K)2(Mg,Fe,Al,Si)3O7 Tetragonal This is...2Al0.4)Si2O7) indicate that they are closest to åkermanite. Other Tasmanian occurrences of melilite-group |  | | Report (issue) | | miaroles in alkali basalt. Association: Nepheline, leucite, augite, phlogopite, åkermanite, magnetite, perovskite |  | | Report (issue) | | pneumatolitic mineral in cavities within alkaline basalt. Association: Nepheline, leucite, augite, phlogopite...phlogopite, fluorapatite, götzenite, åkermanite, günterblassite, magnetite, perovskite. Distribution: From |  | Chukanov, N. V., Zubkova, N. V., Pekov, I. V., Belakovskiy, D. I., Schüller, W., Ternes, B., Blass, G., Pushcharovsky, D. Yu. (2013) Hillesheimite, (K,Ca,□)2(Mg,Fe,Ca,□)2[(Si,Al)13O23(OH)6](OH) · 8H2O, a new phyllosilicate mineral of the Günterblassite group. Geology of Ore Deposits, 55 (7) 549-557 doi:10.1134/s1075701513070052 | Journal (article/letter/editorial) | | hillesheimite, has been found in the Graulai basaltic quarry, near the town of Hillesheim, the Eifel Mountains...götzenite, lamprophyllite group minerals, and åkermanite. Colorless flattened crystals of hillesheimite...crystals occur in miarolitic cavities in alkali basalt. The mineral is brittle, with Mohs’ hard ness...discovered in the late assemblage related to alkali basalt at Mount Rother Kopf in the Eifel vol canic region...hillesheimite were collected in the operating basaltic quarry Graulay (other spellings are Graulai, Grauley, |  | | Journal (article/letter/editorial) | | et volcaniques k~dienne (Prot6rozoique inf6rieur) de la baignoire d Anuk, Groenland m6ridiooal. 1974par...teigite where the bordering country rock is plateau basalt, and of contaminated rocks where the country rock...contact with plateau basalt of Anorerssuaq Marginal zone in contact with plateau basalt and bordering gneisses...Na2Sb07 (åkermanite) (gehlenite) or 69 mol. % Ca2(Mg, Fe)Sh07 31 mol. % NaCaAISh07 (åkermanite) (soda...they are plotted onto the system Ca2MgSi207 (åkermanite) - Ca2AbSi07 (gehlenite) Na2SiJ07, and that they |  | | Journal (article/letter/editorial) | | obtained by difference. Standards used were SRM688 (basalt) and PCC-1 (peridotite). In the short irradiation...the constituent phases of the inclusions: Åk ⫽ åkermanite; Ge ⫽ gehlenite; Di ⫽ diopside; CaTs ⫽ Ca-Tschermak’s...illustrated in Figure 6b, with increasing An/Ge the åkermanite content of the first melilite is predicted to...mol.% in these inclusions. The observed minimum åkermanite contents do not match the predicted values; in...agreement with the phase diagram, which predicts de- Grossman et al. (2000) used plots of SiO2 vs. MgO |  | Chukanov, N. V., Rastsvetaeva, R. K., Aksenov, S. M., Pekov, I. V., Zubkova, N. V., Britvin, S. N., Belakovskiy, D. I., Schüller, W., Ternes, B. (2012) Günterblassite, (K,Ca)3 − x Fe[(Si,Al)13O25(OH,O)4] · 7H2O, a new mineral: the first phyllosilicate with triple tetrahedral layer. Geology of Ore Deposits, 54 (8) 656-662 doi:10.1134/s1075701512080065 | Journal (article/letter/editorial) | | günterblassite, has been found in the basaltic quarry at Mount Rother Kopf near Gerolstein, Rheinland–Pfalz...assemblage of nepheline, leucite, augite, phlogopite, åkermanite, magnetite, perovskite, a lamprophyllitegroup...were collected in 2010 in the operating basaltic quarry at Mount Rother Kopf, Roth community, near Gerolstein...minerals encrust the walls of miar oles in alkali basalt. MORPHOLOGY AND PHYSICAL PROPERTIES Günterblassite |  | | Journal (article/letter/editorial) | | sur la zonation de la magnétite, la pérovskite et l’apatite des séries différenciées de roches porteuses...riches en Ca) ou non de mélilite dans les complexes intrusifs alcalins et ultramafiques de Guli, Kugda, Odikhincha...(province de Maimecha–Kotuy, dans le nord-ouest de la platteforme sibérienne), et dans le complexes de Turiy...Turiy Cape (péninsule de Kola), tous en Russie. On trouve des carbonatites dans les suites à mélilite aussi...mélilite. Les profils de zonation et les teneurs en éléments majeurs et en traces dépendent de leur filiation |  | Potter, Naomi J., Ferguson, Matthew R. M., Kamenetsky, Vadim S., Chakhmouradian, Anton R., Sharygin, Victor V., Thompson, Jay M., Goemann, Karsten (2018) Textural evolution of perovskite in the Afrikanda alkaline–ultramafic complex, Kola Peninsula, Russia. Contributions to Mineralogy and Petrology, 173 (12) doi:10.1007/s00410-018-1531-9 | Journal (article/letter/editorial) | | perovskite grains enclose and distort the anhedral åkermanite, forsterite and magnetite grains generating intergrown...intergrown, irregular and concave shapes (Fig. 1a). Åkermanite is sodium-rich (2–3 wt% Na2O) with thin rims...inequigranular rocks composed of forsterite (0.3–2 mm), åkermanite (0.6–2.7 mm), perovskite (50–550 µm) and magnetite...chromite grains in a xenolith hosted in a tertiary basalt from the Snowy Mountains, Australia. f Close up...Rocks at Iron Hill, Powderhorn district, Gunnison County, Colorado. New Mexico Geological Society, New Mexico |  | | Journal (article/letter/editorial) | | During combustion the high carbonate content causes de-carbonation reactions, which form clinker-like minerals...outcrops that were sampled in this study: the PAMA quarry for Lower Ghareb Formation rocks; un-metamorphosed...observation that Ghareb Formation oil-shales in an open quarry recently caught fire, and have burned for several...open pit — the PAMA quarry (Yoffe et al., 2007). The oil shale section in the quarry belongs to the early...Formations. The lower Ghareb oil shales of the PAMA quarry correspond to the gehlenite–larnite bodies in the |  | | Journal (article/letter/editorial) | | the Grand Central Mine, Tombstone Hills, Cochise County, Arizona: Description and crystal structure. Canadian...are in the Natural History Museum of Los Angeles County, California, U.S.A. D.B. Bluestreakite* A.R. Kampf...decavanadate mineral from the Blue Streak Mine, Montrose County, Colorado: crystal structure and descriptive mineralogy...at the Blue Streak mine, Bull Canyon, Montrose County, Colorado, U.S.A. It is the second known mixedvalence...deposited in the Natural History Museum of Los Angeles County, Los Angeles, California, U.S.A. D.B. Carducciite* |  | | Journal (article/letter/editorial) | | ranging in composition from (minor) alkali olivine basalt to nephelinite, leucite nephelinite, melilite nephelinite...Lengai: Pekov et al. (2009b), Sharygin (2009); Pian de Celle: Sharygin (2009), Sharygin et al. (2013); Khibina:...the melilite-group mineral in S80/ VS231 was an åkermanite which was zoned towards a highly Srenriched composition...of crystals. A few supplementary analyses of åkermanite from sample SA54/80 indicate a uniform composition...nephelinites coming close at Na + K/Al up to 15 (de Moor et al., 2013; Mitchell, 2009; Mitchell and Dawson |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Thirty-eight, Number Three Articles The Lonavala Quarry, Pune District, Maharashtra, India . . . . . ....Record, volume 38, May–June, 2007 The Lonavala Quarry une Distri t Ma aras tra n ia Tomas Pras kier...diverse zeolites and associated minerals. he Lonavala quarry has produced fine specimens of green uorapophyllite...pentagonite, formerly known primarily from the agholi quarry complex. INTR D CTI N Among the most attractive |
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