phonolitic trachyte

См. также в других словарях:

• Trachyte — is an igneous, volcanic rock with an aphanitic to porphyritic texture. The mineral assemblage consists of essential alkali feldspar; relatively minor plagioclase and quartz or a feldspathoid such as nepheline may also be present. (See the QAPF… …   Wikipedia

• North Berwick Law — seen from the seafront of North Berwick Elevation …   Wikipedia

• Mount Erebus — Mt. Erebus Mount Erebus, 1972 Elevation 3,794 m (12,448 ft)  …   Wikipedia