 | LEGENDRE, C., MAURY, R. C., CAROFF, M., GUILLOU, H., COTTEN, J., CHAUVEL, C., BOLLINGER, C., HÉMOND, C., GUILLE, G., BLAIS, S., ROSSI, P., SAVANIER, D. (2005) Origin of Exceptionally Abundant Phonolites on Ua Pou Island (Marquesas, French Polynesia): Partial Melting of Basanites Followed by Crustal Contamination. Journal of Petrology, 46 (9) 1925-1962 doi:10.1093/petrology/egi043 | Journal (article/letter/editorial) | | Exceptionally Abundant Phonolites on Ua Pou Island (Marquesas, French Polynesia): Partial Melting of Basanites...AVENUE LE GORGEU, CS 93837, 29238 BREST CEDEX 3, FRANCE 2 LSCE/CEA–CNRS UMR 1572, DOMAINE DU CNRS, 12...GIF-SUR-YVETTE, FRANCE 3 LGCA, 1381 RUE DE LA PISCINE, BP 53, 38000 GRENOBLE, FRANCE 4 UMR 6538, IUEM...COPERNIC, 29280 PLOUZANÉ, FRANCE 5 CEA/LDG, BP 12, 91680 BRUYÈRES-LE-CHATEL, FRANCE 6 LABORATOIRE DE PÉTROLOGIE...RENNES 1, 35042 RENNES, FRANCE 7 BRGM, BP 6009, 45060 ORLÉANS CEDEX 2, FRANCE RECEIVED JULY 30, 2004; |  | Pelleter, Anne-Aziliz, Caroff, Martial, Cordier, Carole, Bachelery, Patrick, Nehlig, Pierre, Debeuf, Delphine, Arnaud, Nicolas (2014) Melilite-bearing lavas in Mayotte (France): An insight into the mantle source below the Comores. Lithos, 208. 281-297 doi:10.1016/j.lithos.2014.09.012 | Journal (article/letter/editorial) | | Melilite-bearing lavas in Mayotte (France): An insight into the mantle source below the Comores...Arnaud, Nicolas, Melilite-bearing lavas in Mayotte (France): An insight into the mantle source below the Comores...MANUSCRIPT 1 Melilite-bearing lavas in Mayotte (France): an insight into the mantle RI PT source below...F-29238 Brest Cédex 3, France Université Grenoble Alpes, ISTerre, F-38000 Grenoble, France c CNRS, ISTerre...ISTerre, F-38041 Grenoble, France Laboratoire Magmas et Volcans, UMR n°6524 CNRS-IRD-Université Blaise Pascal |  | | Journal (article/letter/editorial) | | plates of natrolite. In most phonolites groundmass aegirine appears to have crystallized early forming euhedral...long. In other phonolites (e.g Schildkrötenberg) aegirine crystallized late and occurs as irregular poikilitic...trachytic texture is imparted by parallel alignment of aegirine and the sanidine laths weaving around stubby feldspathoid...pseudomorphing sub- to euhedral hexagonal-shaped crystals. Aegirine occurs as microphenocrysts in a few occurrences...occasionally as spherical aggregates of fine radiating aegirine needles. Some phonolites have occasional fragments |  | Mysliveček, J., Rapprich, V., Kochergina, Y. V., Magna, T., Halodová, P., Pécskay, Z., Poňavič, M. (2018) Petrology of weakly differentiated alkaline, high-level intrusive rocks in the Zahořany-Chotiněves Belt near Litoměřice (Czech Republic) Journal of GEOsciences, 63 (4) 317-331 | Journal (article/letter/editorial) | | growth-zones the area of apical plateau of the and rims Augite Hořidla Hill. Only negligible microcrysts in Pigeonite...b 1.2 2+ Q = Ca+Mg+Fe Quad Ca-Na J = 2×Na Augite 0.7 0.25 d 0.15 0.10 Pigeonite Enstatite.../(Fetot +Mg) (apfu) 322 Na (apfu) Hedenbergite Augite 100 4.3. Mineral chemistry C l i n o p y ro x...phenocrysts in the sample JM04 correspond to aegirine–augite (Fig. 4a, c) with the content of sodium increasing...insights on the volcanism and tectonics of Vulcano Island and offshore areas (southern Tyrrhenian Sea, Italy) |  | Ackerman, Lukáš, Ulrych, Jaromír, Řanda, Zdeněk, Erban, Vojtěch, Hegner, Ernst, Magna, Tomáš, Balogh, Kadosa, Frána, Jaroslav, Lang, Miloš, Novák, Jiří K. (2015) Geochemical characteristics and petrogenesis of phonolites and trachytic rocks from the České Středohoří Volcanic Complex, the Ohře Rift, Bohemian Massif. Lithos, 224. 256-271 doi:10.1016/j.lithos.2015.03.014 | Journal (article/letter/editorial) | | phonolites and trachytes are also common in ocean island settings, for example Tristan da Cunha and Saint...et al., 1990), Canary Islands (Bryan et al., 1998), French Polynesia and Marquesas (Legendre et al., 2005)...volcanic occurrences in Spain, voluminous products in France, Germany and Czech Republic, that ceases towards... trachyandesites containing diopside with rare augite cores hedenbergite is absent. Aluminium and Ti...generally decreasing from core to rim. Aegirine–augite to aegirine is also present in the form of needles |  | Zhu, Yu-Sheng, Yang, Jin-Hui, Wang, Hao, Xu, Lei, Li, Rui, Wu, Ya-Dong (2020) Geochemical and Sr–Nd–Hf–O isotopic constraints on the source and petrogenesis of the Xiangshuigou silicic alkaline igneous complex from the northern margin of the North China Craton. Lithos, 378. 105866pp. doi:10.1016/j.lithos.2020.105866 | Journal (article/letter/editorial) | | Jo ur the rocks plot in the field for ocean island basalts (OIB; Fig. 7b; Vervoort et al., In situ...a peralkaline melt is Na-rich (i.e., aegirine–augite and aegirine). Sodic clinopyroxene is characterized...are from Zhu et al. (2016). The field for ocean island basalts (OIBs) is from Nowell et al. (1998) and...Viejo Volcanic Complex, na Tenerife, Canary Islands. Journal of Petrology 39, 905-936. Andersen, T...Peridotite + CO2 at 3 GPa and Genesis of Alkalic Ocean Island Basalts. Journal of Petrology 48, 2093-2124. Draper |  | | Report (issue) | | metamorphism and granitoid magmatism, Neoproterozoic island-arc formation, collision, and metamorphism ca....(2) accretion of abundant Neoproterozoic juvenile island-arc material toward and on the Arabian plate (Fig...rrosilite) >85–90 mol%. They are classified as augite, with ~34–44 mol% wollastonite and ~7–15 mol% ferrosilite...resembles the field of high-µ (µ = 238U/204Pb) ocean-island basalts (OIB) of the focal zone type (sensu Stracke...discussed as the possible source of alkaline ocean-island basalts (Frey, 1980; Kogiso et al., 2003; Keshav |  | | Book | | Media (www.springer.com) Preface The Canary Islands Archipelago, offshore of the northwestern coast...from ocean-island volcanism over a span of 20 million years. This 600-km-long chain of islands (total population...prime tourist destination is Teide Volcano on the Island of Tenerife, the centerpiece of Teide National...processes that underpin the evolution of volcanic islands, complementing other volcanic properties such as...isotopic evolution of Teide’s magmatic system, island-wide geophysical investigations, eruptive history |
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Ua Pou garnet phonolites, Ua Pou Island, Marquesas Islands, French Polynesia, France