单词 | manganoan |
释义 | manganoanadj. Mineralogy. Of a mineral: having a (small) proportion of a constituent element replaced by divalent manganese. ΘΚΠ the world > the earth > minerals > change processes > [adjective] > having proportion replaced titanian1813 aluminian1930 ferrian1930 ferroan1930 fluorian1930 lithian1930 magnesian1930 manganoan1930 molybdenian1930 nickelian1930 plumbian1930 sodian1930 strontian1930 tantalian1930 thorian1930 vanadian1930 molybdian1951 niobian1956 1930 W. T. Schaller in Amer. Mineralogist 15 571/2 Manganese—manganoan. 1944 C. Palache et al. Dana's Syst. Mineral. (ed. 7) I. 777 Mossite is..reported also (manganoan) from Yinnietharra, Western Australia. 1968 I. Kostov Mineral. 11. ix. 498 Luckite is a manganoan melanterite. 1986 Jrnl. Afr. Earth Sci. 5 676/2 In the Maska Belt..manganoan ilmenite occurs. This entry has been updated (OED Third Edition, September 2000; most recently modified version published online March 2022). < adj.1930 |
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