rhyolitic การใช้

• The latter also contains < 10 ka rhyolitic flows and domes.
• Much of the mountain consists of welded, fiamme rich rhyolitic tuff.
• Rochlitzer Berg ( ca . 349 m ( rhyolitic tuff or ignimbrite.
• It is found in Argentina and Bolivia on granitic and rhyolitic soils.
• It is composed of high rhyolitic cliffs that jut into the ocean.
• The later lava domes are of trachydacitic-rhyolitic composition.
• Some rhyolitic lava domes intruded into the caldera are 10 mya old.
• It consists of 400 million-year-old rhyolitic and basaltic volcanics.
• The lava is usually rhyolitic and rich in silicates.
• A rhyolitic ignimbrite is found southwest of the volcano.
• Macusani volcanics are primarily rhyolitic in terms of composition.
• At some points in geological time, rhyolitic calderas have appeared in distinct clusters.
• The known rhyolitic volcanoes formed in the area.
• Many ancient rhyolitic quartz-porphyries show on their weathered surfaces numerous globular projections.
• Its highest elevation is the rhyolitic dome volcano Las Derrumbadas ( 3480 m ).
• The eruption was one of only 3 major rhyolitic eruptions of the 20th Century.
• A rhyolitic dome formed inside of the caldera.
• The rhyolitic melts may originate in a crystal rich mush beneath the volcanic field.
• This rhyolitic flare up has no precedents in the history of the volcanic field.
• Welded tuff is commonly rhyolitic in composition, but examples of all compositions are known.