Anagram & Information om | Engelska ordet FELSITES

Exempel på hur man kan använda FELSITES i en mening

• Volcanic rocks, especially of the felsic type such as felsites and rhyolites, may have a cryptocrystalline groundmass as distinguished from pure obsidian (felsic) or tachylyte (mafic), which are natural rock glasses.
• Many examples are banded or striated; others contain porphyritic crystals of quartz which resemble those of the felsites and porphyries.

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