亚洲网紅露点

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maar

[ mahr ]

noun

Geology.
  1. a circular volcanic landform resulting from explosive ash eruptions.


maar

/ 尘蓱藧 /

noun

  1. sometimes capital a coneless volcanic crater that has been formed by a single explosion
鈥淐ollins English Dictionary 鈥 Complete & Unabridged鈥 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

maar

  1. A broad, shallow, generally flat-floored volcanic crater that is often filled with water. Maars usually form from explosive eruptions caused by the heating and boiling of groundwater that is invaded by rising magma.
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亚洲网紅露点 History and Origins

Origin of maar1

First recorded in 1820鈥30, maar is from the German word Maar a depression filled with standing water (especially in the Eifel district)
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亚洲网紅露点 History and Origins

Origin of maar1

C19: from German
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Example Sentences

Examples have not been reviewed.

Study co-author Emeritus Professor Daphne Lee, of Otago's Department of Geology, says they add to the expanding insect fauna revealed in the maar.

From

There is a saying at the heart of Dutch culture: 鈥樷榙oe maar gewoon,鈥欌 or 鈥樷榡ust be normal.鈥欌

From

Volcano Island alone has 47 craters and 4 maars - volcanic craters that form when hot magma comes into contact with shallow ground water, producing a violent steam explosion.

From

The area shown here has distinctive landforms that include explosively-formed maar craters, lava domes built by viscous lava flows, and scoria or cinder cones formed around a single volcanic vent.

From

Oh never a talk of over five minutes, but little familiar terms like taal, zolder, maar, and so on, would begin to be showered in, here and there.

From

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