Definition of Porphyrite. Meaning of Porphyrite. Synonyms of Porphyrite

- Mons Porphyrites (today Jabal Abu Dukhkhan) is the mountainous site of a group of ancient quarries in the Red Sea Hills of the Eastern Desert in Egypt...
- south-central British Columbia. To the Romans it was known as Lapis porphyrites. Pliny the Elder's Natural History (36, 11) affirmed that the "Imperial...
- Peridotite Intrusive or Hypabyssal type Quartz-porphyry Orthoclase-porphyry Porphyrite Dolerite Picrite Lavas or Effusive type Rhyolite, Obsidian Trachyte Andesite...
- gneiss, veined with feldspar and quartz, and inters****d with reddish porphyrite. Twelve major forest types are found in the area. The landscape is fragmented...
- total about 60 million tons. There are numerous deposits of granites, porphyrites, and marbles which, when polished, acquire a smooth surface of beautiful...
- Lévy began their researches. They succeeded in producing such rocks as porphyrite, leucite-tephrite, basalt and dolerite, and obtained also various structural...
- (low grade) ore deposit of copper, consisting of porphyry rocks Mons Porphyrites, the only porphyry quarry worked in the ancient world for the emperor's...
- andesitic composition. The sedimentary rocks are also intruded by ****s of porphyrite. The oldest rocks are a sequence of Silurian mudstones, siltstones and...
- the only porphyry quarry worked in the ancient world is in Egypt. Mons Porphyrites was quarried to supply the rare and expensive imperial porphyry for the...
- apparent to the kingdoms of Spain. And Johannes Hevelius called it "Mons Porphyrites" after the mountains near Olbia, Egypt. A particular region of very low...