Match the following items with the correct description
A) flows of basaltic lava fed by fissures that commonly cover extensive areas
B) an isolated, steep-sided, erosional remnant consisting of lava that once occupied the vent of a volcano
C) an eruption in which lava is extruded from narrow fractures in the crust
D) large depression caused by collapse of the summit area of a volcano
E) vast accumulation of basaltic lava resulting in a broad plain
15) volcanic necks (plugs)
16) flood basalt
17) basalt plateau
18) fissure eruption
19) caldera
Answers: 15) B 16) A 17) E 18) C 19) D
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