Asked by Mariam Hanna on Sep 30, 2024
Which of the following is NOT true of basaltic lava flows?
A) They flow downhill from the vent area
B) They pile up in steep, cone-shaped hills
C) They form from nonexplosive eruptions
D) They can issue from the bases of scoria cones
Basaltic Lava
A type of lava that flows from volcanic eruptions, characterized by its low viscosity and high iron and magnesium content.
Scoria Cones
Volcanic cones built from fragments of lava ejected from a single vent, typically with steep slopes.
Nonexplosive Eruptions
Volcanic eruptions characterized by the gentle outpouring of lava without significant explosive activity or the production of large ash clouds.
- Familiarize yourself with the types of substances erupted from volcanoes.
- Perceive the connection between the characteristics of volcanoes and the composition of their magma.
Learning Objectives
- Familiarize yourself with the types of substances erupted from volcanoes.
- Perceive the connection between the characteristics of volcanoes and the composition of their magma.