| 释义 |
lampro-|ˈlæmprəʊ|
repr. Gr. λαµπρο-, combining form of Gr. λαµπρός bright, shining, as in: ˈlamprophane [Gr. ϕαν-, ϕαίνειν to show] Min., a mineral occurring in long, thin, cleavable folia at Longban, Wermland, Sweden (Cassell, 1885); ˈlamproˌphoner [Gr. ϕωνή + -er], an instrument for increasing the intensity of sound; so ˌlamproˈphony, a term for a clear and sonorous state of the voice (Mayne Expos. Lex. 1855); lamproˈphyllite Min. [ad. G. lamprophyllit (V. Hackman 1894, in Fennia XI. 119): see phyllo-], a silicate of sodium, strontium, and titanium, Na2SrTiSi2O8, found as golden-brown prisms; lamprophyre [a. G. lamprophyr (C. W. Gümbel Die paläolith. Eruptivgesteine des Fichtelgebirges (1874) 36, f. Gr. (πορ)ϕύρεος purple: see porphyry], the name given by Gümbel to rocks, considerably varied in lithological character, occurring in dikes in strata of palæozoic age; hence ˌlamproˈphyric a., of or pertaining to lamprophyre (Cent. Dict.); lamprotype [Gr. τύπος type] Photogr., a paper print glazed with collodion and gelatine (Cent. Dict.).
1897Amer. Ann. Deaf June 265 In the Indiana Institution experiments are in progress with the ‘lamprophoner’, an instrument which..increases the intensity of sound.
1899E. S. Dana Dana's Syst. Min. (ed. 6) 1st App. 40 Lamprophyllite... A mineral related to astrophyllite in form and cleavage. 1942Amer. Mineralogist XXVII. 416 The Bearpaw and Kola lamprophyllite are almost identical in refringence, habit, and orientation. 1965Scientia Sinica (Peking) XIV. 1839 The lamprophyllite in general belongs to the monoclinic system and the orthorhombic lamprophyllite exists as a submicroscopic crystallite in the polysynthetic twin of monoclinic lamprophyllite.
1890Mineral Mag. IX. 43 The rock..is most closely paralleled by the olivine-bearing lamprophyres. 1923Geol. Mag. LX. 553 The potash series of lamprophyres, in which orthoclase and abundance of biotite form the expression of excess of potash over soda, is not so complex a group as that of the soda-lamprophyres. 1959W. W. Moorhouse Study of Rocks in Thin Section xvii. 325 Lamprophyres..are for the most part melanocratic to mesotype rocks... Nearly all..of the true lamprophyres are characterized by a definitely alkaline aspect, indicated by the presence of abundant biotite, alkali feldspar, soda pyriboles, nepheline, or analcite, combined with a low silica content. 1966Jrnl. & Proc. R. Soc. New South Wales XCIX. 38/1 Many of the common lamprophyres, such as minettes, vogesites, kersantites and spessartites are almost chemically identical.
1892Geol. Mag. IX. 201 An intermixture of the acid and lamprophyric magmas took place during the injection. 1965G. J. Williams Econ. Geol. N.Z. xiii. 205/1 Narrow lamprophyric dykes and sills cut granite, Ohika beds and the Breccia.
1875Knight Dict. Mech., Lamprotype (Photography), a polished collodion picture. |