maar definition

  • noun:
    • A flatbottom, approximately circular volcanic crater of explosive origin this is certainly often filled up with water.
    • a broad volcanic crater, frequently filled up with a lake
    • In geology:
    • an area German title originally applied to particular little crater-lakes within the recently extinct volcanic area of Eifel, near Bonn, regarding the Rhine. The craters had been believed to have lead from explosive outbreaks, without emissions of lava.
    • Technically, any crater which was made by an explosion unaccompanied by lava.
    • a flat-bottomed volcanic crater which was created by an explosion; frequently filled with water

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    • A flatbottom, approximately circular volcanic crater of explosive…
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