GEOG 1030 Exam 3 (Weber State) | Study Guide, Practice Questions &
Geography Review
Pahoehoe - correct answer ✔✔Rope-created by cooler skin twisted flow. Hawaii
Stratovolcanoes/Composite - correct answer ✔✔A tall volcano that switches off between
explosive and non-explosive eruptions and is made up of layered lava and tephra. (ex: Mount St.
Helens/ Mt Fuji)
cinder cones - correct answer ✔✔A small volcano with steep sides that has only explosive
eruptions and is made up of layered tephra. (ex: Pilot Butte)
Sheild - correct answer ✔✔A large, broad, and flat volcano that ejects lava of a low viscosity and
is made up of layered lava after non-explosive eruptions. (ex: Hawaii)
Caldera - correct answer ✔✔A summit depression that is typically greater than 1 km in
diameter and produced by a collapse following a massive eruption is called (yellowstone)
Crater - correct answer ✔✔is a steep-walled depression at the summit of the volcano, generally
less than 1 km in diamete, and hundreds of meters deep.
Rhyolitic - correct answer ✔✔lavas are the most felsic (light color), with high silica content,
lower melting temperature (800 - 1000 degrees Celsius), and very viscuous due its lower
melting temperature and higher silica content.
Pillow - correct answer ✔✔formed in underwater erpution. form tough plastic skin on contact
with water.
Geography Review
Pahoehoe - correct answer ✔✔Rope-created by cooler skin twisted flow. Hawaii
Stratovolcanoes/Composite - correct answer ✔✔A tall volcano that switches off between
explosive and non-explosive eruptions and is made up of layered lava and tephra. (ex: Mount St.
Helens/ Mt Fuji)
cinder cones - correct answer ✔✔A small volcano with steep sides that has only explosive
eruptions and is made up of layered tephra. (ex: Pilot Butte)
Sheild - correct answer ✔✔A large, broad, and flat volcano that ejects lava of a low viscosity and
is made up of layered lava after non-explosive eruptions. (ex: Hawaii)
Caldera - correct answer ✔✔A summit depression that is typically greater than 1 km in
diameter and produced by a collapse following a massive eruption is called (yellowstone)
Crater - correct answer ✔✔is a steep-walled depression at the summit of the volcano, generally
less than 1 km in diamete, and hundreds of meters deep.
Rhyolitic - correct answer ✔✔lavas are the most felsic (light color), with high silica content,
lower melting temperature (800 - 1000 degrees Celsius), and very viscuous due its lower
melting temperature and higher silica content.
Pillow - correct answer ✔✔formed in underwater erpution. form tough plastic skin on contact
with water.
