WorksheetsIntroduction to Physical Geology - Chapter 6
Total questions: 9
Worksheet time: 5mins
spout
pool
Which of the following volcanic flows could the average adult person outrun?
Basaltic lava flow
Pyroclastic flow
Lahar
Tsunami
None of the above
Select the name that describes the volcano
Cinder cone
Shield
Strato Volcano
Calderas
Lava Domes
•What is the plate-tectonic setting of Mount Rainier and Mt. St. Helens?
A hot spot related to Yellowstone
Spreading along the Juan de Fuca ridge
Subduction beneath the Pacific Northwest
A continent-continent collision
None of the above
Shield volcanoes commonly involve:
Fluid lava flows
Lava fountains
Viscous lava flows
Pyroclastic flows
a) and b) only
How does pillow basalt form?
From a pyroclastic flow
When flows over a field of pillows
Explosive eruption of lava into atmosphere
Eruption of lava in water
None of the above
What kind of volcano is most closely associated with pyroclastic flows?
Shield volcano
Cinder cone
Composite volcano
Mid ocean ridge
None of the above
What controls the violence of a volcanic eruption?
Temperature of the magma
Amount of silica
Viscocity of the magma
b) and c)
None of the above
