What is another word for Phonolite?

Pronunciation: [fˈɒnəlˌa͡ɪt] (IPA)

Phonolite is a volcanic rock that has a fine-grained texture and contains significant amounts of alkali feldspar minerals. There are several synonyms used to refer to this rock type, including foidolite, phonolitoid, and trachyphonolite. Foidolite is a term used for rocks that contain a high percentage of feldspathoid minerals. Phonolitoid is an altered variety of phonolite that has undergone some degree of chemical weathering or metamorphism. Trachyphonolite is a similar volcanic rock with a coarser texture and higher content of pyroxene minerals. All of these rocks share similar physical and chemical characteristics, but may vary in their mineral composition and texture.

What are the hypernyms for Phonolite?

A hypernym is a word with a broad meaning that encompasses more specific words called hyponyms.

Usage examples for Phonolite

Clinkstone or Phonolite is a greenish-gray, compact, felspathic rock, somewhat slaty or schistose, and weathers with a white crust.
"Geology"
James Geikie

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