| 单词 | siderolite | 
| 释义 | sideroliten.1  A fossil foraminiferan of the genus  Siderolites, typically having points or lobes radiating from a discoid shell giving a more or less star-shaped appearance. ΚΠ 1819    A. Rees Cycl. XXXVII. at Vermes  				Polypier entirely stony, and without incrustation. Tubipora. Lunulite. Ovalite. Siderolite. Orbalite [etc.]. 1837    T. Brown Conchologist's Text-bk. 		(ed. 4)	 60  				Siderolites calcitrapoides.—The Chalk Siderolites. 1978    C. Grandjacquet  & G. Mascle in  A. Naim et al.  Ocean Basins & Margins 294  				The Upper Cretaceous—Middle Eocene sequence of red argillites and silicified limestone microbreccias follows, with a Cretaceous fauna of rudist, orbitoid, siderolite debris, and Globoratalia and Nummulites of Eocene age. 1989    Proc. Internat. Symp. Evol. Karstic Carbonate Platform, Trieste 1987 155/1  				Maastrichtian representatives of the orbitoid-siderolite fauna have not so far, been found. This entry has been updated (OED Third Edition, March 2016; most recently modified version published online March 2022). sideroliten.2  A meteorite composed of a mixed mass of metal (mainly iron-nickel alloy) and silicate minerals; (also) the material of this. Cf. stony-iron n. and adj. at stony adj. Compounds 3. ΘΚΠ the world > the universe > constellation > comet or meteor > meteor > 			[noun]		 > meteorite > siderolite aerosiderolite1863 siderolite1863 mesosiderite1868 stony-iron1918 the world > the earth > structure of the earth > constituent materials > stone > a stone > 			[noun]		 > meteorite > other meteorites air-stone1608 iron1802 aerolite1810 aerolith1811 uranolite1815 star-glint1825 brontolith1860 aerosiderite1863 aerosiderolite1863 pallasite1863 siderolite1863 siderite1866 mesosiderite1868 howardite1881 chondrite1883 oligosiderite1883 plessite1885 diogenite1895 achondrite1904 octahedrite1905 nakhlite1916 ureilite1916 stony-iron1918 micrometeorite1949 1863    N. S. Maskelyne in  London, Edinb. & Dublin Philos. Mag. 25 49  				I propose calling..the intermediate varieties (including the Pallasites of Rose), in which the iron is continuous and associated with silicate, by the term Aërosiderolites or Siderolites. 1883    Science 1 129/1  				The iron has the associations usual in siderolite. 1955    R. M. Pearl How to know Minerals & Rocks 174  				Those of an intermediate type are siderolites or ironstones, an example of which are the pallasites. 2014    S. Simon Sci. Dict. 115/2  				Meteorites are either mostly stony (aerolites), metal (siderites), or both (siderolites). This entry has been updated (OED Third Edition, March 2016; most recently modified version published online March 2022). <  | 
	
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