“palagonite”的英文意思_释义_用法

单词

palagonite

释义

palagonite Min.|pəˈlægəʊnaɪt|
[ad. Ger. Palagonit (Waltershausen, 1846), f. Palagonia in Sicily, one of its localities.]
A volcanic rock of vitreous structure, allied to basalt. Palagonite-tuff, a ‘tuff’ or porous rock composed of fragments of basaltic lava and palagonite.
1863Baring-Gould Iceland 208 The hill is composed of Palagonite tuff.1879Rutley Stud. Rocks xiii. 272 Under the microscope palagonite appears as a perfectly amorphous substance.1896Chester Names of Min., Palagonite..a basaltic tufa, formerly considered a mineral species.
Hence palagonitic |-ˈɪtɪk| a., pertaining to or of the nature of palagonite.
1886Encycl. Brit. XXI. 189/2 Lavas and scoriæ of anorthitic character, palagonitic tuffs, and basaltic ashes.

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