| 单词 | diabase-porphyrite |
| 释义 | > as lemmasdiabase-porphyrite attributive. Forming names of rocks intermediate in composition and character between diabase and another rock, as diabase-aphanite, diabase-porphyrite, diabase-porphyry, diabase-schist, etc. ΚΠ 1849 J. Nicol Man. Mineral. ii. 183 Chlorite..is a component of the diabase porphyries and amygdaloids, and then often crystallized. 1865 P. H. Lawrence Lithology 22 Schistose Diabase, or Diabase Schist. 1868 J. D. Dana Syst. Mineral. (ed. 5) 343 If the diabase contains distinct crystals of porphyry, it is a diabase porphyry, the green porphyry or oriental verd-antique of Greece..being of this nature. 1878 Geol. Rec. 1876 218 The physical, optical, and microscopical characters of the following Finland minerals and rocks, viz.:—Triplite, metaxoite.., diabase, diabase-aphanite. 1878 Proc. Amer. Acad. Arts & Sci. 1877–8 13 255 Plagioclase-augite = Diabase porphyrite. 1907 C. Reid & J. S. Flett Geol. Land's End District iii. 32 It might be possible to subdivide them into uralite diabases, diabase porphyries, diabase schists, and diabase hornfelses, but for the group as a whole it is convenient to retain the term greenstone. 1925 Mineral Abstr. 2 397 Around Borzhom in Georgia, the dislocated Eocene sediments..are intruded by dikes and sills of diabase and diabase-porphyrite. 2004 V. A. Vernikovsky et al. in D. G. Gee & V. Pease Neoproterozoic Timanide Orogen E. Baltica 237/2 In some places, composite dykes and sills of diabase and diabase–porphyry occur among the metabasalts. 2010 Russ. Geol. & Geophysics 51 796 (caption) Sedimentary tectonites with lenses of diabase schists. < as lemmas |
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