 | | Journal (article/letter/editorial) | | clinopyroxenes from the alkaline rocks of Japan, Morotu (Yagi, 1953), and Pantelieria (Carmichael, 1962)...diopside-ferropigeonite,2) diopside-hedenbergite,and 3) diopside-aegirine. The fields of Ca-rich and Na-rich clinopyroxenes...Yagi (1953)in his investigationof rocks from the Morotu area of SakhaIin. The clinopyroxenesof Garbh, Eilean...Iki Island and adjacent areas. Alkali basalts and mugearites are widely distributed on Iki Island and...in the groundmass of trachytes from Kakarashima Island. The mineral assemblageof the trachybasalt-alkalic |  | | Journal (article/letter/editorial) | | Reinvestigation of the pyroxenes from the Morotu alkalic rocks shows that aegirine-augites whose composition iies...rather well-defined area of distribution, rn'hile aegirine augites from other kinds of rocks are distributed...roxene system acmite-hedenbergite-diopside. The Morotu alkalic rocks may be regarded as an example in...petrochemicalstudies on the alkalic rocks of the Morotu district, Sakhaline,the present author establishedthe...soda augite contains Nas.1-Na62; aegirine-augite,Nao z-Nao 7i and aegirine, Nao.z or more, in the pyroxene |  | | Journal (article/letter/editorial) | | Petrology, Cambridge, specimen 38075: aenigmatite-aegirine-arfvedsonite-lamprophyllite rock, Khibinite quarry...approximately to the common elements of the pyroxene (e.g. aegirine a 9-65 A, b 8"79 *~, c 5"29 A, fi 107 ~ 24', C2/c;...a volume of 16"75 Aa per anion (McKie, 1963). Aegirine, however, has 17"8 Aa per oxygen atom and riebeckite...Madagascar (Lacroix, 1910), the comendites of Mayor Island, New Zealand (Marshall, 1932 and 1936), the alkalic...in monzonites and syenites from the Morotu River, Sakhalin Island, Japan (Yagi, 1953) in the nephelinesyenite |  | | Journal (article/letter/editorial) | | differentiation sequence at Takara Bridge, Morotu, Sakhalin (Yagi, 1953, tables 14-16); the Cedar Mountain...ratios, from Hawaii, Tristan da Cunha, and Gough Island are also plotted for comparison. It has been proposed...table 1, no. 8); 9, syenite, Takara Bridge, Morotu, Sakhalin (Yagi, 1953, table 16, no. 1); 10, average...respectively the average trachyte and aegirine-augite trachyte from Gough Island (Le Maitre, 1962, table 8, nos...differentiation sequence from the headwaters of the Morotu River, Sakhalin (Yagi, 1953, tables 14-16) and the Waihola |  | | Book (volume) | | Johannsenite 8 ....... 42 ........ 75 Aegirine-Aegirine-augite ...... 79 Spodumene ......... ...Monoclinic pyroxenes Diopside—Hedenbergite Johannsenite Aegirine Spodumene J adeite Augite Pigeonite Omphacite...(1925) had shown that X-ray powder patterns of aegirine, jadeite, diopside, hedenbergite and augite were...22' Name Reference hedenbergite ] diopside j aegirine jadeite clinoenstatite Kuno and Hess, 1953. Brogger...this to a lesser extent is true also of jadeite. Aegirine, the other alkali pyroxene, however, forms a complete |  | | Book (volume) | | anorthosite, Labrador. Crossed polars x60. E. Zoned aegirine-augite, analcite syenite segregation in analcite...Omphacite 424 20 Sodium Pyroxenes Jadeite Aegirine, Aegirine-augite Ureyite 461 482 520 Lithium Pyroxenes...Silicates: Pyroxenes jadeite (NaAISi 1O6 ) aegirine (NaFe 3 +Si 10 6 ) Ca/(Na+Ca) - Ca-Tschermak's...showing the compositional fields of omphacite, aegirine-angite, fassaite. and augite (after Clarke and...and Papike. 1968). Fe3 + or Cr as in jadeite, aegirine and ureyite respectively. There are in addition |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Geol. of Ore Deposits, Acad. of Sciences, Moscow, Russia. Per Nysten: University of Uppsala, Uppsala, Sweden...Tuscon, Arizona. Barry Yampol: Oyster Bay, Long Island, New York. Victor Yount: Warrenton, Virginia. Josef...Romania, especially Rosia Montana (Verespatik). In Russia, gold is found on the eastern slope of the Ural...Creek, NT. In New Zealand, Hauraki Peninsula, North Island, and placer deposits in Nelson, Westland, Otago...Italy; Smeingorsk, Semenowsky, and Altai, Siberia, Russia; Rudnui(*) and Dhezkazgan(*), Kazakhstan; Salida |
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