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phonolite
[fohn-l-ahyt]
noun
a fine-grained volcanic rock composed chiefly of alkali feldspar and nepheline, some varieties of which split into pieces that ring on being struck.
phonolite
/ ˌfəʊnəˈlɪtɪk, ˈfəʊnəˌlaɪt /
noun
a fine-grained volcanic igneous rock consisting of alkaline feldspars and nepheline
Other 51Թ Forms
- phonolitic adjective
51Թ History and Origins
Origin of phonolite1
51Թ History and Origins
Origin of phonolite1
Example Sentences
XAS determination of the Fe local environment and oxidation state in phonolite glasses.
At last we draw ourselves up a huge wedge of phonolite and find ourselves at the summit of the first peak.
It is formed of basalt, trachyte and phonolite, and the soil is very fertile.
Clinkstone or phonolite is a greenish-gray, compact, felspathic rock, somewhat slaty or schistose, and weathers with a white crust.
The rocks are lavas and ashes, chiefly of andesitic or basaltic composition, but rhyolites and trachytes also occur, and phonolite has been met with in one or two places.
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