Closely allied to trachyte is the rock type called keratophyre, which is the sodium-rich-plagioclase equivalent of trachyte.
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Geologically, the island is largely formed from keratophyre though the northwest coast and islet of West Tump are formed from basalt.
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The term quartz keratophyre has traditionally been used in the Nordic countries to describe a metamorphosed, felsic extrusive rock, corresponding to rhyolite, dacite, or rhyodacite according to IUGS terminology.
How to say keratophyre in Hindi and what is the meaning of keratophyre in Hindi? keratophyre Hindi meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.
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