porphyry in a sentence

Examples

1. The intrusive quartz-porphyries are equally well described as granite-porphyries.
2. No illustrations or diagrams occur in editions of Porphyry's original work.
3. Pro-demiurgic Neoplatonic philosophers included Porphyry, Proclus, Iamblichus of Chalcis.
4. The triumphal arch is flanked by two porphyry columns.
5. The deposit mined was a copper-gold porphyry.
6. The deposit is complex but has the general characteristics of a porphyry copper.
7. Rocks from the Cretaceous include syenite porphyry sills and dykes near Cygnet around.
8. Beyond the tomb there is a short, Roman pillar of Egyptian porphyry.
9. Sheets of porphyry are mixed in with the granite.
10. The hill is composed of feldspar porphyry, its summit of compacted feldspar.