Environmental Geology Chapter 3
4) Pangea is the name of the giant landmass that is comprised of all of the Earth's continents. TRUE OR FALSE
4) Pangea is the name of the giant landmass that is comprised of all of the Earth's continents.
15) What plate tectonic setting does this describe? (One plate sliding into/underneath another) A) convergent plate boundary B) divergent plate boundary C) transform plate boundary D) intraplate region E) wandering plate boundary
A
17) What is a subduction zone? A) where one lithospheric plate goes beneath another B) where one lithospheric plate slides past another C) where one asthenospheric plate slides past another D) a transform plate boundary E) a plate boundary in Oklahoma
A
26) Crust is consumed at ________ boundaries. A) convergent B) divergent C) transform D) both convergent and divergent E) both divergent and transform
A
6) What is the mechanism proposed by Arthur Holmes that drives continental drift? A) convection B) tidal forces C) erosion D) weathering E) paleomagnetism
A
10) What is the lithosphere? A) earth's oceanic and continental crust B) earth's crust and upper mantle C) rocks formed from molten material D) the process of uplifting rocks from great depths E) the region at the base of the Earth's continental crust
B
13) What is the name of the fault that separates the two blocks? A) normal fault B) strike slip C) reverse fault D) extensional fault E) compressional fault
B
18) Where do we see rift valleys, normal faults, black smokers and rising magma? A) near the San Andreas fault in California B) at mid ocean ridges C) in the Himalayas D) at Island arcs E) in subduction zones
B
25) Crust is produced at ________ boundaries. A) convergent B) divergent C) transform D) both convergent and divergent E) both divergent and transform
B
7) Which of the following describes paleomagnetism? A) an extraterrestrial Earth reservoir B) the Earth's magnetic field periodically reverses over geologic time C) a stationary plume of magma D) material that can be taken from the Earth for profit E) hot mantle material rises at divergent plate boundaries, cools, and sinks at convergent plate boundaries
B
12) What sort of plate boundary is depicted by this picture? (Two plates sliding AGAINST each other) A) convergent B) divergent C) transform D) interplate E) wandering
C
14) The motion history of California's San Andreas fault is typical of: A) the convergence of two oceanic plates. B) the convergence of an oceanic and continent-bearing plate. C) transform boundaries. D) the divergence of two oceanic plates. E) the convergence of two continent-bearing plates.
C
3) How does continental rifting work? A) Continents move together in a northward direction. B) Continents slide past each other. C) Continents pull apart from each other. D) Continents collide into each other. E) Continents erode.
C
8) Magnetic reversals in the Earth's crust were first discovered: A) in East Africa. B) in the Himalayas. C) on the ocean floor. D) in Gondwanaland. E) in Pangaea
C
9) How fast do tectonic plates move? A) several (over 100) kms per year B) a few kms (~10) per year C) a few inches (~1-2) per year D) a few inches (~1-2) in a million years E) they do not move
C
1) What is the name of the landmass that consists of all of the southern continents? A) Wegener B) Pangea C) Scarp D) Gondwanaland E) Continental Drift
D
16) Where on earth do we find this type of plate boundary? A) Himalayas B) Mid-ocean Ridges C) East African Rift Valley D) Andes E) San Andreas Fault in California
D
21) Where do we see subduction, reverse faults, explosive volcanoes and island arcs? A) near the San Andreas fault in California B) at East Pacific Ocean spreading center C) in the Himalayas D) at ocean-continent convergent plate boundaries E) at the Mid-Atlantic ridge
D
11) What provides evidence for continental drift and plate tectonics? A) paleomagnetism of the Earth's crust B) apparent polar wander curves that show similar changes in location of the magnetic poles C) sea floor spreading D) earthquakes occurring on the sea floor E) all of the above
E
17) The Alps and Himalayas mark the locations of: A) the convergence of two oceanic plates. B) the convergence of an oceanic and continent-bearing plate. C) transform boundaries. D) the divergence of two oceanic plates. E) the convergence of two continent-bearing plates.
E
2) Who was Alfred Wegener? A) the Flemish cartographer who wrote Thesaurus Geographicus B) the first explorer to make the journey to the New World in 1492 C) the French geographer who found coal in North America and Europe D) the first geologist to suggest that the Earth's internal heat drives vast, circular currents in the mantle that move lithospheric plates E) the first geologist to formulate a global explanation of how the continents assumed their present locations and shapes
E
24) How are mountains created at plate boundaries? A) accretion along continental margins and convergent plate boundaries B) compression at convergent plate boundaries C) collision of continents at convergent plate boundaries D) magma rises in the Earth's crust producing volcanic mountains E) all of the above
E
22) Convergent and transform plate boundaries do not generate destructive earthquakes. TRUE OR FALSE
False
23) Explosive volcanoes are not located near convergent plate boundaries. TRUE OR FALSE
False
5) Geologists immediately accepted the theory of continental drift when it was proposed in the 1920s. TRUE OR FALSE
False
) What tectonic plate do you live on? What is your nearest plate boundary?
N/A
27) Describe the 3 major types of plate boundaries and provide examples for each type of boundary
N/A
28) Define the terms lithosphere and asthenosphere. Where are the lithosphere and asthenosphere found?
N/A
30) Describe the relationship between earthquakes and volcanoes and plate tectonics.
N/A
19) The East Pacific Ocean spreading center moves faster than the Mid-Atlantic ridge. TRUE OR FALSE
TRUE
20) Volcanoes at oceanic divergent plate boundaries are not as explosive as those at ocean-continent convergent boundaries. TRUE OR FALSE
TRUE
