What Is a Bowl Shaped Depression at the Mouth of a Volcano or Geyser Is Called?

Answer

A bowl-shaped depression that is at the mouth of a volcano or geyser is called a volcanic crater. These craters are caused by the volcano's activity. It is a vent at the top of a volcano that releases gases, lava and ejecta.
1 Additional Answer
The bowl shaped depression at the mouth of a volcano is geyser is called the crater.This can also be described as a pit as well as bowl of cup shaped. The crater is where you will find dark material that has formed.
Q&A Related to "What Is a Bowl Shaped Depression at the Mouth..."
Crater is the bowl-shaped depression around the mouth of a volcano.
http://wiki.answers.com/Q/The+bowl+shaped+depressi...
Think it's a batholith. I always get this and a caldera confused.
http://wiki.answers.com/Q/What_is_saucer_shaped_de...
Crater.
http://wiki.answers.com/Q/What_is_a_bowl-shaped_de...
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