Definition of rhyolite in English:
A pale fine-grained volcanic rock of granitic composition, typically porphyritic in texture.
- A trail up the east side of the mountain, on public land, can still be taken, but collecting is now much more difficult in the limited amount of solid, unbroken rhyolite exposed on the summit.
- The conglomerate was deposited in tributary stream channels, and the pebbles consist almost entirely of quartz-feldspar phenocrystic rhyolite.
- The only thing that bothered me about the book was in vignette 18, describing Garnet Hill, where garnet crystals in rhyolite can still be collected.
- Example sentences
- Geochemical variation is common in deposits of many rhyolitic eruptions, especially those from large, caldera-forming events in continental settings.
- They are closely associated with marine pyroclastic rhyolitic domes and calderas and were probably deposited from submarine brines in or on the flanks of local sedimentary basins.
- Dingwell et al. have shown at low dissolved water contents in rhyolitic melts, large changes in melt viscosity can occur for very small changes of water content.
Definition of rhyolite in:
- British & World English dictionary
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