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volcanic tuff

noun



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Word History and Origins

Origin of volcanic tuff1

First recorded in 1805–15
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Example Sentences

The river tracks a diverse landscape from the southern edge of the Rocky Mountains through rugged basalt hillsides, layers of volcanic tuff, and the red and yellow cliffs made famous by painter Georgia O’Keeffe.

Fish Slough, a National Natural Landmark on the eastern edge of the tablelands, includes vivid petroglyphs chipped into bizarrely eroded volcanic tuff formations that overlook a verdant desert oasis laced with meandering spring-fed creeks.

No body was found in the sarcophagus, which was made of volcanic tuff rock, but according to at least one legend, Romulus vanished into the sky following his death to become the God Quirinus, meaning that possibly he never had a tomb.

From Reuters

An inch-wide crack running up a sandstone tower in the Utah desert is rimmed with a dusting of white; an arete of volcanic tuff in Oregon is vertically speckled with bursts of pale powder; ascending a bronze-colored wall in West Virginia is a constellation of silvery smudges.

The large cylindrical pukaos are made of red volcanic rock called scoria, while the Moai heads are carved from volcanic tuff.

From BBC

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