A) 1960 B) 1995 C) 1972 D) 1985
A) Tharsis Montes B) Ascraeus Mons C) Olympus Mons D) Elysium Mons
A) Noachian to late Amazonian B) Pre-Noachian to modern day C) Late Amazonian only D) Hesperian to early Noachian
A) Volcanism B) Tectonic plate movement C) Solar radiation absorption D) Atmospheric cooling
A) Lava, tephra, and gases B) Plutons, dikes, and sills C) Magma, granite, and water D) Sediment, ash, and ice
A) Liquid iron, oxygen, and dust B) Frozen nitrogen and silicate rock C) Molten silicates, suspended crystals, and dissolved gases D) Water vapor and metallic ores
A) Buoyancy is neutralized and the magma stalls B) The magma cools into granite C) The magma erupts immediately D) The magma solidifies instantly
A) 20% B) 80% C) 95% D) 50%
A) Mafic B) Evolved C) Felsic D) Primitive
A) Primitive B) Felsic C) Basaltic D) Mafic
A) Granite and feldspar B) Water and carbon dioxide C) Silica and volatiles D) Iron and magnesium
A) Basalt B) Diapirs C) Plutons D) Volcanic ash
A) Extreme heat from the mantle B) Reaction with atmospheric oxygen C) Rapid expansion and cooling from bubble nucleation D) Crystallization of silicate minerals
A) Hydromagmatic B) Viscous C) Effusive D) Basaltic
A) Methane and sulfur B) Helium and hydrogen C) Oxygen and nitrogen D) Carbon dioxide and water vapor
A) Smaller than the Moon B) Intermediate C) Larger than Earth D) Equal to Earth
A) Rhyolitic B) Andesitic C) Explosive D) Basaltic
A) Partial melting of the upper mantle B) The Earth's core C) Sedimentary accumulation D) Subduction of oceanic crust
A) Pyroclastic flows B) Lava fountains C) Mid-plate hotspots D) Cinder cones
A) Eruptions occur only on Earth B) Eruptions are less frequent on Mars C) Eruptions are more frequent on Mars D) Eruption frequency is identical
A) Olympus Mons B) Tharsis region C) Gale Crater D) Elysium Planitia
A) Mars has more convergent boundaries B) Mars has more divergent boundaries C) Mars lacks plate tectonics D) Mars volcanoes are restricted to subduction zones
A) Mid-plate volcanoes B) Subduction zone volcanoes C) Oceanic ridge volcanoes D) Supervolcanoes
A) Higher magma viscosity B) Greater number of mantle plumes C) Higher surface gravity D) Absence of plate tectonics
A) 5 km B) 550 km C) 100 km D) 21 km
A) Cinder B) Basalt C) Tridymite D) Magnesium |