 | | Journal (article/letter/editorial) | | carbonatiteāsilicate pairs in nature: A case history from Central Italy F. Stoppaa,*, G. Rosatellia, F. Wallb, T. Jeffriesb... via dei Vestini, 30, 66013 Chieti Scalo (CH), Italy b The Natural History Museum, Cromwell Road, London...Available online 17 June 2005 Abstract At Oricola (Aquila-Abruzzo, Italy) carbonatite is associated with phonolitic...phonolitic foidite tuff. The Oricola carbonatite contains fresh silicate glass of kamafugitic foidite composition...concentrations. As a whole, the mineralogy of the Oricola rocks matches that of the neighbouring Grotta del |  | | Journal (article/letter/editorial) | | melilite-carbonatite province in the Apennines of Italy: the kamafugite of Grotta del Cervo, Abruzzo F. STOPPA1...della Terra, UniversitaĢ G.dāAnnunzio, Chieti, Italy Department of Mineralogy, Natural History Museum...II, Napoli, Italy ABSTR ACT A new occurrence of a rare kamafugite near LāAquila, Abruzzo, is described...similar alkaline mafic igneous rocks from the Oricola-Camerata Nuova (OC) volcanic field, ~20 km to the...lapilli comprises, in order of decreasing abundance, diopside, leucite, hauĢyne, Mg-mica, andraditic garnet |  | | Journal (article/letter/editorial) | | 1 2 RI P Via dei Vestini 30, 66100- Chieti, Italy University of Western Australia, Centre for Exploration...knowledge of alkaline rocks and carbonatites of ED Italy and to assess their potential for Nb-V-LREE and...carbonatitic rocks in Italy has deep historical roots. The first CE carbonatite described in Italy was discovered...āhydrothermalā carbonatites in the Roman Volcanic Province, previously considered to be lacustrine deposits...levels have been AC found in a few carbonatites in Italy and the Glenover carbonatite in South Africa (InvestorIntel |  | | Journal (article/letter/editorial) | | Pleistocene alvikites from Mt. Vulture (southern Italy) by d'Orazio et al., (2007) F. Stoppa a,ā, C. Principe...30, 66100-Chieti, Italy b Istituto di Geoscienze e Georisorse, C.N.R. ā Pisa, Italy c Dipartimento di...di Geologia e Geofisica, UniversitĆ di Bari, Italy Received 17 August 2007; accepted 1 October 2007 Available...Pleistocene alvikites from Mt. Vulture (southern Italy). Lithos 98, 313ā334] describe a new finding of...Pleistocene alvikites from Mt. Vulture (southern Italy). Lithos 98, 313ā334], and are particularly concerned |  | | Journal (article/letter/editorial) | | Dickel, Germany San Venanzo, Italy Cupaello, Italy Monticchio, Italy Oricola, Italy ChabrieĢres, France Calatrava...la RuĢe, Kerguelen Chagatai, Uzbekistan Polino, Italy Natron-Engaruka, Tanzania Laacher See, Germany ...certain. The Chagatai (Uzbekistan) and Polino (Italy) occurrences are certainly carbonatites but essentially...assemblages from particular localities e.g., Monticchio, Italy (Jones et al., 2000) . Carbonatites, however, clearly...Venanzo, Italy SVE 10 11 Cupaello, Italy Monticchio, Italy SVE SVE 12 14 20 22 23 24 Oricola, Italy |  | | Journal (article/letter/editorial) | | Portal and Kasekere are part of a larger volcanic province (Fig. 1) characterized by the eruption of K-rich...and Kasekere) occur in the northern part of the province, ultrapotassic volcanics occur in the central...effusive carbonatites from Vulture and Polino, Italy (Stoppa and Lupini, 1993; Stoppa et al., 2003b)...a few exceptions) into the carbonate phase (Oricola, Italy, calcite carbonatite/foidite 794 G.N. Eby...compositions at 0.3 KPa. The empirical partitioning (Oricola) is for carbonate ocelli/foidite glass (Stoppa |  | | Journal (article/letter/editorial) | | composition of the clinopyroxene corresponds to diopside, and the mineral contains up to 1.65 wt % Na2O...fergusite and carbonate veinlets and the cores in diopside crystals from the rocks) are positively correlated... Note: (1ā6) Pale domains around the cores of diopside phenocrysts; (7ā13) dark pyroxene: (10), (13)...Aegirine crystals overgrown on the surface of diopside phenocryst in carbonate veinlets; (1) aegirine-augite...aegirine-augite rim (Table 2, analysis 9) around a diopside phenocryst from a carbonate veinlet, (2) aegirine |  | | Journal (article/letter/editorial) | | origin of the volcanism in the Limagne volcanic province and more generally of the carbonatitic volcanic...new look at similar deposits in the Calatrava province in Spain have recently shown that the carbonates...associated with silicate magma in this volcanic province are of igneous origin, calling for a new interpretation...volcanic rocks belonging to the Limagne volcanic province and to the Chaine des Puys. Gergovie and Pileyre...Platy dolomite crystals with inclusions of Cr-diopside and Cr-spinel in a ļ¬ne-grained dolomitic matrix |  | Stoppa, Francesco, Schiazza, Mariangela, Rosatelli, Gianluigi, Castorina, Francesca, Sharygin, Victor V., Ambrosio, Francesco Antonio, Vicentini, Noemi (2019) Italian carbonatite system: From mantle to ore-deposit. Ore Geology Reviews, 114. 103041 doi:10.1016/j.oregeorev.2019.103041 | Journal (article/letter/editorial) | | Sciences, G. d'Annunzio University of Chieti-Pescara, Italy. 2 Department of Earth Science, Sapienza University...Russia. *Corresponding author. Present address: Italy, G. dāAnnunzio University, Department of Psychology... AL Fluor-calciocarbonatites occur in central Italy in a large volcanic area, named āThe Roman Regionā...volcanoes of San Venanzo, Cupaello, Polino and Oricola JO (Fig. 1). Considering the different tectonic...all in a different igneous province, the Intermountain Ultra-alkaline Province (IUP). Shortly after, Stoppa |  | | Journal (article/letter/editorial) | | veinlets; (6, 7) aegirineaugite from the rim zones of diopside phenocrysts with inclusions of kalsilite and aegirine...almost colourless zones (<9 wt.% FeO). They are diopside with up to 1.65 wt.% Na2O and a magnesium number...daughter phase in the melt inclusions (Fig. 1a). In a diopsideāhedenbergiteā aegirine diagram (Fig. 2), the compositions...crystals on the surface of aegirineaugite rimming a diopside phenocryst in a carbonate veinlet; (b) melt inclusion...aeg, aegirine; aeg-aug, aegirine-augite; diopside, diopside phenocryst; cc, calcite in veinlet matrix; |  | | Journal (article/letter/editorial) | | UniversitaĢ G. dāAnnunzio, 66013 Chieti Scalo, Italy Department of Mineralogy, The Natural History Museum...clasts, and fragments of calcite, aegirine and diopside, fluorapatite, magnetite, plus some phlogopite...extrusive carbonatites containing calcite occur in Italy (Stoppa and Woolley, 1996), Kerimasi, Tanzania (Mariano...assemblage of pale green aegirine and dark green diopside, orthoclase, and also rare glassy spatter. Glimmerite...angular to rounded crystal fragments, consisting of diopside, K-feldspar, calcite and magnetite. In addition |  | | Journal (volume) | | so d e n r a e l m o r f d n Belgium, Spain and Italy, a - = - - K 104 General Notes. fi (January...| Ā® lag vil d re nd hu e fiv n tha re mo this province there are 1884. ] Geography and Travels. _...METEORITES.āA large meteorite fell la near Brescia, Italy. It was about half a metre long and 0" ical shape...partially found :a crystal of fluorite. A chromium diopside has been in sci in the diamond mines of the Cape...Yt was discovered in the Lo-fau-shau MO%ii the province of Canton, China. It has four to five ee purple |
|
