Example Sentences

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Trachyte from Hungary; felsitic paste with crystals of hornblende and sanidine, and a little magnetite.

From Volcanoes: Past and Present by Hull, Edward

It consists of a light-greyish felsitic paste enclosing grains of smoke-quartz, crystals of sanidine, plagioclase and biotite, with a little magnetite and apatite.

From Volcanoes: Past and Present by Hull, Edward

As its name implies, it contains many caves in the felsitic conglomerate overlying the region.

From Unknown Mexico, Volume 1 (of 2) A Record of Five Years' Exploration Among the Tribes of the Western Sierra Madre; In the Tierra Caliente of Tepic and Jalisco; and Among the Tarascos of Michoacan by Lumholtz, Carl

The material of which the Puy de D�me is formed consists of a light grey, nearly white, soft felsitic lava, containing crystals of mica, hornblende, and specular iron-ore.

From Volcanoes: Past and Present by Hull, Edward

The latter are represented by large contemporaneous deposits of tuff and felsitic lava which in the Snowdon District are several thousand feet thick.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy" by Various