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titanian potassian richterite

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Journal Article
Published: 01 June 2009
Mineralogical Magazine (2009) 73 (3): 457–477.
... and tetraferriphlogopite, groundmass potassic amphiboles, Sr-rich apatite and monazite-(Ce), late stage Na-poor K-feldspar and quartz. The rocks differ in terms of the character of the amphiboles (Ti-potassian arfvedsonite vs . K-richterite-K-magnesioarfvedsonite-K-arfvedsonite solid solution), spinel compositions...
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Journal Article
Published: 01 June 1987
The Canadian Mineralogist (1987) 25 (2): 353–377.
... Linosite Lithionglaukophan Lithium-amphibole Liujinyinite Lodochnikite Lorettoite Macrokaolinite Maganthophyllite Magnesia-arfvedsonite Magnesian glaucophane THE CANADIAN MINERALOGIST Tremolite Titanian potassian richterite Brochantite Amer. MineraL 63 (1978),1023 Amer. Mineral. 63 (1978),1023 Amer...
Journal Article
Published: 01 October 2007
Reviews in Mineralogy and Geochemistry (2007) 67 (1): 323–358.
... – rutile – ilmenite – diopside] found in some xenoliths, perhaps even during the ascent of the kimberlite. The amphibole species they encountered are potassian richterite and “potassic-richterite” (Table 4 ). Representative compositions have high mg values (0.87–0.91), as expected from the provenance...
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Journal Article
Published: 01 December 2003
The Canadian Mineralogist (2003) 41 (6): 1329–1344.
...-rich ferropargasite and hastingsite (both sensu lato ) are characteristic amphiboles of certain iron-oxide-rich hydrothermal systems associated with alkali–chloride metasomatism. At one locality, another new chlorine-dominant amphibole, although lower in potassium, seems present: potassian...
FIGURES
Journal Article
Published: 24 March 2023
The Canadian Journal of Mineralogy and Petrology (2023) 61 (1): 105–143.
... basin are Ti-potassian arfvedsonites, whereas those from the GL6 lamproite include Ti-Mg-katophorite, K-arfvedsonite, K-richterite, and K-magnesio-arfvedsonite (Mitchell & Fareeduddin 2009). Compositions of spinel are given in Table 5 . The Ena spinels have 18.9–22 wt.% Fe 2 O 3 , 31.3–33.3...
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Journal Article
Published: 01 June 2000
The Canadian Mineralogist (2000) 38 (3): 669–674.
... amphibole was initially described as subsilicic hastingsite by Hawthorne & Grundy (1977) , then as subsilicic titanian magnesian hastingsite by Hawthorne (1983) ; according to the current amphibole-nomenclature scheme ( Leake et al. 1997 ), it is a potassian ferrian sadanagaite. Note that the scheme...
FIGURES
Journal Article
Published: 01 October 2007
Reviews in Mineralogy and Geochemistry (2007) 67 (1): 125–171.
... of the system is depleted in Al or when the high T of crystallization increases Al preference for tetrahedral coordination. A decrease in the Amph/L D Ti with increasing P was observed in sodic-calcic (richterites) and calcic amphiboles (titanian pargasites) synthesized by Sweeney et al. (1992...
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Journal Article
Published: 01 January 2011
European Journal of Mineralogy (2011) 23 (1): 45–61.
...-calcic in composition ( i.e ., ferrorichterite or richterite). Sodic ( i.e ., riebeckite-arfvedsonite) amphiboles are restricted to the Panzhihua and Taihe plutons. The amphiboles from the Panzhihua and Taihe granites are very similar in composition whereas amphiboles from the Baima syenites have higher...
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Journal Article
Published: 01 February 2009
American Mineralogist (2009) 94 (2-3): 399–408.
..., crystallographic, and compositional data from eight amphiboles from the Kajlidongri mine in India. The amphiboles (magnesioriebeckite, richterite, potassian ferrian richterite, ferrian richterite, and magnesio-arfedsonite) were selected to investigate the incorporation of Li into the C site and do not contain...
Journal Article
Published: 01 October 2003
Mineralogical Magazine (2003) 67 (5): 873–892.
... compositional variation. The pyroxenes, in general, range from pale-green augite to pale-purple titanian augite in the marginal parts of SN1A and 1B, and in units SN2, SN4A and 4B (Fig. 2 ). These occur together with fayalite, ilmenite, titaniferous magnetite and fluorapatite as early-formed phases...
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Journal Article
Published: 01 February 2018
Canadian Journal of Earth Sciences (2018) 55 (2): 188–205.
... and are rimed by actinolite or hornblende ( Allan and Carmichael 1984 ; Currie and Williams 1993 ; Lefèbvre et al. 2005 ; Plá Cid et al. 2007 ; Owen 2008 ). In his compilation, Rock (1991) gives a similar account by indicating that CAL generally contain the following titanian or potassian Ca-amphiboles...
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