Zobrazeno 1 - 10 of 15 pro vyhledávání: '"T. S. Ercit"'
1
Hidden story of tapiolite
Autor: T. S. Ercit
Publikováno v: Mineralogical Magazine. 74:715-730
The crystal chemistry of tapiolite is more complicated than previously recognized. Perusal and synthesis of relatively recent publications reveals a ‘hidden’ story about tapiolite, one that: (1) permits quantification of the effects of Mn, Fe3+,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2330f0ba16bf87675bcc20ec10de7b5d
https://doi.org/10.1180/minmag.2010.074.4.715
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2
The crystal chemistry of holtite
Autor: Edward S. Grew, Lee A. Groat, R. J. Evans, Adam Pieczka, T. S. Ercit
Publikováno v: Mineralogical Magazine. 73:1033-1050
Holtite, approximately (Al,Ta,□)Al6(BO3)(Si,Sb3+,As3+)Σ3O12(O,OH,□s)Σ3, is a member of the dumortierite group that has been found in pegmatite, or alluvial deposits derived from pegmatite, at three localities: Greenbushes, Western Australia; Vo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a0191fde64802a674a6797c6b5cf91e4
https://doi.org/10.1180/minmag.2009.073.6.1033
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7
Nature and origin of nodular textures in anorthositic cumulates from the East Bull Lake Intrusion, Ontario, Canada
Autor: R. S. James, David C. Peck, T. S. Ercit, P. T. Chubb
Publikováno v: Mineralogy and Petrology. 54:93-103
Summary Nodular anorthosite, containing rounded aggregates (nodules) of plagioclase set in a gabbroic to pyroxenitic matrix, is developed in constrictions ( < 500 m wide) within the central and eastern parts of the Early Proterozoic East Bull Lake In
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::57e886bc816d5ad71f11afc3e15b9934
https://doi.org/10.1007/bf01162761
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8
Cesstibtantite—a geologic introduction to the inverse pyrochlores
Autor: Frank C. Hawthorne, Petr Černý, T. S. Ercit
Publikováno v: Mineralogy and Petrology. 48:235-255
The crystal structure of cesstibtantite has been solved from diffractometer data collected on samples from Leshaia, Russia and the Tanco pegmatite, Manitoba. Cesstibtantite from the Leshaia pegmatite (type locality) hasa 10.515(2) A, space groupFd3m,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0fe6c17a860ffd3b529e1d66df139dd1
https://doi.org/10.1007/bf01163101
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9
Refinement of the structure of ?-Nb2O5 and its relationship to the rutile and thoreaulite structures
Autor: T. S. Ercit
Publikováno v: Mineralogy and Petrology. 43:217-223
The crystal structure of ζ-Nb2O5, space groupC2/c, a 12.740(2),b 4.8830(6),c 5.5609(6)A,β 105.02(1)°, Z 4, has been refined toR 1.6% for 457 observed reflections (MoKα). The coordination polyhedron of the niobium atom is a distorted octahedron; t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c60f5bb40cb90f25aa94b12959752a1
https://doi.org/10.1007/bf01166893
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10
WILUITE, Ca19(Al,Mg,Fe,Ti)13(B,Al, )5Si18O68(O,OH)10, A NEW MINERAL SPECIES ISOSTRUCTURAL WITH VESUVIANITE, FROM THE SAKHA REPUBLIC, RUSSIAN FEDERATION: REPLY
Autor: T. S. Ercit, J. D. Grice, Lee A. Groat, F. C. Hawthorne
Publikováno v: The Canadian Mineralogist. 38:765-766
[Galuskin & Galuskina (2000)][1] seem unaware of the requirements for defining and naming a new mineral species. These requirements are set out in detail by the Commission on New Minerals and Mineral Names of the International Mineralogical Associati
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::243e972a57e59befee6b0aca7faaa6ed
https://doi.org/10.2113/gscanmin.38.3.765
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