 | Velde, Danielle, Medenbach, Olaf, Wagner, Christiane, Schreyer, Werner (1989) Chayesite, K(Mg,Fe2+)4Fe3+[Si12O30]: A new rock-forming silicate mineral of the osumilite group from the Moon Canyon (Utah) lamproite. American Mineralogist, 74 (11-12) 1368-1373 | Journal (article/letter/editorial) | | Mineralogist, Volume 74, pages 1368-1373, 1989 Chayesite,K(Mg,Fe2+)oFe3+[SirrOrol: A new rock-formingsilicate... mineral of the osumilite group from the Moon Canyon (Utah) lamproite DlNrpr.r-nVnr-on Laboratoire de...: 0 . 2 9 , M g O : 1 2 . 7 1N, a ' O : 0 . 3 1 , K r O :5.17, total: 99.60wto/o, leadingto the formula...partitionedto give Si + Al + Fe2++ Fe3++ Mg + Mn + Ti : 17) (K, ,oNao,o)",,o(Mg,,nFefrjrMno.oo)*.oo(Fe3.toFet.lnAlo...which (with Mg:Fe'z+'Fe3+ The idealizedend-memberis K(Mg,Fe'?+)oFe3*[Si,rOro], requiresSiOr 69.l5, FerOr |  | Cooper, M. A., Hawthorne, F. C., Ball, N. A., Černý, Petr, Kristiansen, Roy (2006) Oftedalite, (ScCa)KBe3Si12O30, a new mineral species of the milarite group from the Heftetjern pegmatite, Tørdal, Norway: description and crystal structure. The Canadian Mineralogist, 44 (4) 943-949 doi:10.2113/gscanmin.44.4.943 | Journal (article/letter/editorial) | | 44, pp. 943-949 (2006) OFTEDALITE, (Sc,Ca,Mn2+)2 K (Be,Al)3 Si12 O30, A NEW MEMBER OF THE MILARITE GROUP...Norway Abstract Oftedalite, ideally (Sc,Ca,Mn2+)2 K (Be,Al)3 Si12 O30, is a new mineral species from the...milarite, (Sc0.84Ca1.03 Mn2+0.09Y0.01Fe2+0.03)S2.00 K (Be2.86Al0.14)S3.0 Si12 O30)], very close to the ideal...L’oftedalite, de composition idéale (Sc,Ca,Mn2+)2 K (Be,Al)3 Si12 O30, est une nouvelle espèce minérale...scandifère, (Sc0.84Ca1.03Mn2+0.09Y0.01Fe2+0.03)S2.00 K (Be2.86Al0.14)S3.0 Si12 O30)], voisin de la composition |  | | Book | | A few highly potassic rocks, with 10% or more of K 2 0, are included although they would not meet the...provided information Mexican section was kindly read by K. Bloomfield and on the alkaline rocks of Uruguay,...while D.R.C. Kempe, L.M. Larsen, T.F.D. Nielsen, K . Secher, H. reprints of their papers, which makes...11va ilable when the present accounts were compiled. K-A r ages on nu merous carbonati tes in eastern Canada...R i ver 30 Mount Copeland 31 Trident Mountain 32 K i n basket Lake 33 Mount Laussedat 34 Mount H unter |  | | Journal (article/letter/editorial) | | 60 mole % KFeSi3Os and up to 10 at.% Si and 6 at.% K above the stoichiometric requirement; otherwise, they...undercooling at temperatures not much above 725 ~ Feldspar formation was facilitated by a high diffusion...lamproite, dalyite, Cancarix, Spain. Introduction KFE-FELDSPAR can be synthesised in triclinic and monoclinic...as we know, this is the first report of natural feldspar with a composition dominated by the ferric component...in crystal rims bordering druses (Fig. 2), 290 K. L I N T H O U T AND W. J. L U S T E N H O U W E R |  | Contini, Simona, Venturelli, Gianpiero, Toscani, Lorenzo, Capedri, Silvio, Barbieri, Mario (1993) Cr-Zr-armalcolite-bearing lamproites of Cancarix, SE Spain. Mineralogical Magazine, 57 (387) 203-216 doi:10.1180/minmag.1993.057.387.02 | Journal (article/letter/editorial) | | following phases may be present: olivine, phlogopite, K-amphibole, clinopyroxene, sanidine, orthopyroxene...Na-Fe-clinopyroxene, dalyte, arfvedsonitic rims around K-richterite and other alumina-free phases which, on...The age of the rock is about 7.5 Ma (K/Ar data on sanidine and K-richterite: Nobel et al. , 1981). The...(grain size up to 1 mm) and consist of sanidine, K-rich amphibole, olivine, phlogopite, clinopyroxene...inclusions and poikilitically included in K-feldspar and K-amphibole. K-richterite--formerly identified by Hernandez-Pacheco |  | | Report (chapter) | | compositionally-similar mantle-derived melts. Lamproites are K- and Mg-rich igneous rocks (typically K20 > 5 wt.%...Relative to kimberlites, lamproites are enriched in K, Si, Ti, AI, Rb, Sr, Zr and Ba and depleted in CO2...general presence of phlogopite, diopside, leucite and K-richterite, occasional glass, olivine, sanidine, priderite...or harzburgite in mineralogy) that was enriched in K-bearing and other incompatibleelement-enriched phases...COz/H20 ratio). Introduction 'Lamproite' designates a K-rich mafic to ultramafic alkaline igneous rock as |  | | Journal (article/letter/editorial) | | L . W . F l n g e r , R . M . H a z e n ,M . K a n z a k 1 , D . J . W e i d n e r , R . C . L i e b e...e e H o f m e i s t e r , A , M ., 2 8 I Beneke, K., G. Lagaly: A hydrated potassium layer silicate and...Ghose,S., 1084 Boisen, M.8., Jr., see Bartelmehs,K,L., 620 Bo1, L.C., A. Bos, P.C.C. Sauter, J.B.H. Jansen:...Navrotsky: Structural, therm o d y n a m i c ,a n d k i n e t i c a s p e c t s o f d i s o r d e r i n...and Bi, B u c h w a l d ,V . F . , R . S . C l a r k e , J r . : C o r r o s i o n o f Fe-Nl a11oys by |  | | Book | | J. Wyllie, (California Institute of Technology, USA). Preface In this book the author attempts to...science show that carbonates, N2, O2, P, H2O, and K-rich crustal materials can be recycled into the deep...source could be responsible for the generation of such K-rich silica-deficient magmas. Age determination of...the geochemical and mineralogical peculiarities of K-rich silica-poor rocks in contrast to alkaline basalts...occurring in close proximity to silica-saturated feldspar-bearing lavas can be very well understood from |  | | Book (edition) | | archetype 2J Sulfosalts of PbS archetype 2.K Sulfarsenates )K zh zhemchuzhnikovite 3. Halides w !>h...H Vanadatcs 4J Arsenite!, and similar compounds 4.K Iodates -- - ---------,-. . r 9 5. Carbonates...abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado |  | | Book | | microprobe analyses in Dallas. We thank P. A. Sheahan, K. Weissman, P. A. Carper, L. Batzle, and 1. M. Prokesh...Kansas 6.1.11. Bobi, Ivory Coast 6.1.12. Francis, Utah 6.1.13. Yellow Water Butte, Montana 6.1.14. Sisco... Shcherbakovite 6.16.2. Davanite 6.16.3. Unnamed K-Ba-Titanosilicate Minor Accessory and Secondary Minerals..."madupa" meaning "sweetwater" and the name of the county in which the Leucite Hills are located). As a corollary...(1906) were similar with respect to their Niggli k and mg values, both being in excess of 0.80. No other |  | | Report (volume) | | Geological Society Special Publications Series Editor K. C 0 E GEOLOGICAL SOCIETY SPECIAL PUBLICATION ...Boston Massachusetts 02108, USA 667 Lytton Avenue, Palo Alto California 94301, USA 107 Barry Street, Carlton...Carlton Victoria 3053, Australia DISTRIBUTORS USA and Canada Blackwell Scientific Publications Inc PO Box...directly to CCC, 27 Congress Street, Salem, MA 01970, USA. 0305-8719/87 $02.00 British Library Cataloguing...Introduction: FITTON, J. G. & UPTON, B. G . J . BAILEY, D. K. Mantle metasomatism--perspective and prospect vii |  | 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) | | abbreviations for the Latin names of the elements (K, Na, Fe, etc.) By the third edition of the System...include extraterrestrial substances (meterorites, moon rocks, etc.) apparently produced by processes similar...Biologists, VCH, New York. (GT) Glusker, J. P., & K. N. Trueblood (1985); Crystal Structure Analysis:...is a function of the first two such that i= -—(h+k).) Zone symbols, enclosed in square brackets, [uvw]...of a form in integers is The form {hkl} where h, k and] are positive or negative, unequal y elesymmetr |
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