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melilitolite

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Journal Article
Published: 01 December 2013
European Journal of Mineralogy (2013) 25 (4): 655–669.
...Victor V. Sharygin; Igor V. Pekov; Natalia V. Zubkova; Alexander P. Khomyakov; Francesco Stoppa; Dmitry Yu. Pushcharovsky Abstract The new mineral umbrianite, ideally K 7 Na 2 Ca 2 [Al 3 Si 10 O 29 ]F 2 Cl 2 , was discovered as an essential groundmass mineral in melilitolite of the Pian di Celle...
FIGURES | View All (11)
Journal Article
Published: 01 June 2003
Mineralogical Magazine (2003) 67 (3): 423–451.
...E. A. Dunworth; K. Bell Abstract The Turiy Massif, on the southern coast of the Kola Peninsula, consists of five intrusive complexes containing a variety of carbonatites, phoscorites, melilitolites, ijolites and pyroxenites. Petrographic and mineralogical studies of the different rocks show...
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Pegmatoid vesicular <b>melilitolite</b> in venanzite lava flow.
Published: 01 December 2013
Fig. 2 Pegmatoid vesicular melilitolite in venanzite lava flow.
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Umbrianite in <b>melilitolite</b> (images in thin sections): Umb – umbrianite; Ks ...
Published: 01 December 2013
Fig. 3 Umbrianite in melilitolite (images in thin sections): Umb – umbrianite; Ks – kalsilite; Lc – leucite; Gl – silicate glass; Phl –fluorophlogopite; Mgt – Ti-rich magnetite; Ap – fluorapatite; Go – götzenite; Di – diopside; Ae – aegirine; Arf – arfvedsonite; H,M – Ba-rich hydrated phases; Bar
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Magnetite compositions from the Turiy rocks. Note that the <b>melilitolite</b>, py...
Published: 01 June 2003
F ig . 7. Magnetite compositions from the Turiy rocks. Note that the melilitolite, pyroxenite and turjite magnetite analyses have higher Al contents than the rest of the samples. Most of the olivine melteigite data is off scale, due to the presence of a significant spinel component
Journal Article
Published: 01 August 2008
The Canadian Mineralogist (2008) 46 (4): 741–752.
... associations with silicate rocks. These are (in decreasing order of abundance): 1) nephelinite–ijolite, 2) phonolite – feldspathoidal syenite, 3) trachyte–syenite, 4) melilitite–melilitolite, 5) lamprophyre, 6) kimberlite, 7) basanite – alkali gabbro. A significant proportion of the nephelinite–ijolite...
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Journal Article
Published: 01 June 1998
The Canadian Mineralogist (1998) 36 (3): 895–903.
Journal Article
Published: 01 October 2007
The Canadian Mineralogist (2007) 45 (5): 1201–1211.
..., including melilitolite, ijolite, alkaline syenite and carbonatite, occupy less than 10% of the area. The sample with the most abundant djerfisherite is a coarse-grained phlogopite–magnetite-rich clinopyroxenite. Djerfisherite most commonly occurs in irregular patches of sulfide composed mainly of pyrrhotite...
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Journal Article
Published: 01 June 1999
Mineralogical Magazine (1999) 63 (3): 433–438.
...C. M. B. Henderson; L. N. Kogarko; D. A. Plant Abstract Djerfisherite [K 6 (Cu,Fe,Ni) 25 S 26 Cl] has been found as a daughter mineral in melt inclusions in melilite from a Kugda melilitolite. The inclusion mineral assemblage includes pyrrhotite, pentlandite, forsterite, diopside, monticellite...
Image
Back-scattered electron image of a coarse crystal of umbrianite (Umb) on ka...
Published: 01 December 2013
Fig. 4 Back-scattered electron image of a coarse crystal of umbrianite (Umb) on kalsilite (Ks) in a vug of melilitolite.
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Geological map of the Sung Valley ultramafic-alkaline – carbonatite complex...
Published: 01 February 2010
F ig . 1. Geological map of the Sung Valley ultramafic-alkaline – carbonatite complex (modified after Srivastava et al. 2005 ). Nepheline syenite and melilitolite dykes exposed around the villages Sung and Maskut are very small, hence not reported on the map.
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Photographs showing details of the Colle Fabbri outcrop. ( A ) Palaesoil at...
Published: 01 November 2005
F igure 3. Photographs showing details of the Colle Fabbri outcrop. ( A ) Palaesoil at contact between the lower breccia and Pleistocene conglomerates. ( B ) Upper breccia dredged up by the melilitolite intrusion (at right in the photograph). ( C ) Melilitite dikelet intruding the upper breccia
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Geological sketch map of the Guli massif, after ( Egorov, 1991 ).  1 , duni...
Published: 01 December 2016
Fig. 1. Geological sketch map of the Guli massif, after ( Egorov, 1991 ). 1 , dunites; 2 , clinopyroxenites; 3 , alkaline rocks (melilitolites, kugdites, jacupirangites, ijolites, shonkinites, and others); 4 , carbonatites; 5 , meimechites of the Maimecha Formation; 6 , Permian–Triassic
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Perovskite compositions from the Turiy rocks, showing the amount of loparit...
Published: 01 June 2003
F ig . 8. Perovskite compositions from the Turiy rocks, showing the amount of loparite (Na REE Ti 2 O 6 ) component present. The northern-complex melilite-carbonatite perovskites are additionally enriched in REE. Most melilitolite perovskite analyses contain [La + Ce] > Na, while
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a) Geological map of the Kovdor massif, after  Ternovoy  et al. (1969) , wi...
Published: 01 February 2001
-grained forsterite – diopside – phlogopite rocks, 7 coarse-grained and pegmatitic forsterite – diopside – phlogopite rocks, 8 ijolite, 9 pyroxenite, jacupirangite, melteigite, 10 turjaite, melilitolite, 11 olivinite, 12 fenite, 13 Archean granite–gneiss, gneiss, 14 semi-circular faults. b) Sketch
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( A )  87 Sr/ 86 Sr vs.  143 Nd/ 144 Nd, modified from Figure 5  of  Mellus...
Published: 01 November 2005
demonstrates that the hypothetical mixing curve does not match the composition of the Colle Fabbri rocks. ( B ) Same diagram, showing IUP melilitites, melilitolites, and carbonatites (references in Fig. 4 ) compared with Colle Fabbri igneous rocks and other relevant compositions. Data for the field labeled
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Plot of wt% CaO vs.  87 Sr/ 86 Sr, modified from Figure 7  of  Melluso et a...
Published: 01 November 2005
, and Colle Fabbri leucite-wollastonite melilitolite (“euremite” of Stoppa 1988 ).
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Melilite compositions from the Turiy rocks. ( a ) Na-Al plot demonstrating ...
Published: 01 June 2003
). Analyses from the northern complex melilite carbonatite and calcite melilitolite samples [N.64.18m and N.64.19] contain smaller quantities of the soda-melilite component than the analyses from the silicate rocks (all other analyses). ‘Afrikanda’ = analyses from a melilite-bearing olivinite from
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Compositional variations (in wt.%) of umbrianite and related Ba-rich phases...
Published: 01 December 2013
Fig. 7 Compositional variations (in wt.%) of umbrianite and related Ba-rich phases (alteration products of umbrianite) in comparison with the Al-containing members of the rhodesite series. Circles - umbrianite (yellow/light) and hydrated Ba-rich phases (dark) from melilitolites, Pian di Celle
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Compositional variation of banalsite, stronalsite, and banalsite–stronalsit...
Published: 01 August 2006
, Zhidoy complex, East Sayan, Russia ( Koneva 1996 ), 9: in melilitolite and 10: in melteigite, Turiy Mys complex, Kola Alkaline Province, Russia ( Dunworth & Bell 2003 ), 11: in ijolite, Turiy Mys complex, Kola Alkaline Province, Russia, 12: in ijolite, wollastonite ijolite and in clinopyroxenite