| 释义 |
syntaxy Cryst.|ˈsɪntæksɪ|
[ad. F. syntaxie (H. Ungemach 1935, in Bull. de la Soc. Française de Minéral. LVIII. 187): see syntaxis and -y3.]
Crystal growth or intergrowth in which the new material has the same orientation as the parent, although it may differ chemically.
1952M. I. Goldman in Mem. Geol. Soc. Amer. L. 7 Although Royer uses ‘epitaxie’ to designate continuous crystallographic orientation between added material and its nucleus, etymologically it means merely ‘orientation upon’. It is desirable to distinguish between the relation of added crystalline material with the same orientation as the nucleus, for which I propose syntaxy and syntaxial. 1953G. & J. D. H. Donnay in Amer. Mineralogist XXXVIII. 939 Ungemach's definition of syntaxic intergrowth seems to be unduly restrictive, as this kind of intergrowth is found to occur also with constituent substances that are chemically different. We therefore propose to abandon the condition of identity of chemical compositions. Henceforth we shall use the term syntaxy in this extended meaning. 1973Jrnl. Solid State Chem. VI. 396 Ordered syntaxy and polytypism..give a regular repetition of structural or chemical elements over very long crystalline distances. 1975Amer. Mineralogist LX. 351 Intimate syntaxy between parisite, synchisite, roentgenite, and bastnaesite was quite commonly observed even on a very fine scale.
Hence synˈtaxial a.; synˈtaxially adv.
1952Syntaxial [see syntaxy]. 1958Liverpool & Manch. Geol. Jrnl. II. 15 A mosaic of grains can grow by the deposition of material in lattice-continuity with, or syntaxially with..pre-existing free crystal faces. Ibid. 27 The syntaxial rim resembles superficially a cement rim. 1972H. Blatt et al. Origin Sedimentary Rocks xiii. 463 Syntaxial overgrowths are large crystals of calcite that have grown in optical continuity with original single crystal grains. |