ERTH 111 Study Guide Exam 1
With Solution
Name and describe at least three evidences of continental drift. - ANSWER 1.
the distribution of climate belts
2. the distribution of fossils
3. the orientation of glacial striations
(or sea floor observation)
Name and describe at least three evidences of sea floor spreading. - ANSWER
1. Mapping features of the sea floor - mid-ocean ridges, trenches, and sea
mounts.
2. Location of earthquakes - along mid-ocean ridges, and trenches.
3. Paleomagnetism
How do these come together to form the theory of Plate tectonics? -
ANSWER It clearly shows evidence that the Earth is moving by the different
directions and what is happening above and under the ground.
What is special about the plate boundary of the San Andreas Fault. Describe
how it came to be. Describe the relative motion. - ANSWER The most special
, part is that it is a transform boundary. It came to be by a
continental-continental transform boundary, creating huge mountains in the
North American Plate. The relative motion is going up and down.
Distinguish among the three types of plate boundaries, and characterize
geological features associated with each. - ANSWER 1. Convergent-
mountains/mid-ocean ridges/volcanism
2. Divergent- rifting/ mid-ocean ridges/
3. Transform-along mid-ocean ridges
Discuss rifting, continental collision, and hot-spot formation, and show
where these processes happen today. - ANSWER Rifting is where things such
as mountains or the sea floor is spreading away from each other (East African
Rift Valley). Continental collision is where big mountains are formed from the
continental-continental convergent boundary (Himalayas). A hot-spot
formation happens when the mantle material comes up through an area that
is not going through a plate boundary causing volcanoes that are not
explosive (Hawaii).
Characterize the processes driving plate motion. Draw images of how this
affects plate motion. - ANSWER All of the different plates on Earth are all
moving in different directions from the Earth's inner core relieving pressure
along the continental and oceanic crust that causes the convergent,
divergent, and transform boundaries to move in their own different ways.
With Solution
Name and describe at least three evidences of continental drift. - ANSWER 1.
the distribution of climate belts
2. the distribution of fossils
3. the orientation of glacial striations
(or sea floor observation)
Name and describe at least three evidences of sea floor spreading. - ANSWER
1. Mapping features of the sea floor - mid-ocean ridges, trenches, and sea
mounts.
2. Location of earthquakes - along mid-ocean ridges, and trenches.
3. Paleomagnetism
How do these come together to form the theory of Plate tectonics? -
ANSWER It clearly shows evidence that the Earth is moving by the different
directions and what is happening above and under the ground.
What is special about the plate boundary of the San Andreas Fault. Describe
how it came to be. Describe the relative motion. - ANSWER The most special
, part is that it is a transform boundary. It came to be by a
continental-continental transform boundary, creating huge mountains in the
North American Plate. The relative motion is going up and down.
Distinguish among the three types of plate boundaries, and characterize
geological features associated with each. - ANSWER 1. Convergent-
mountains/mid-ocean ridges/volcanism
2. Divergent- rifting/ mid-ocean ridges/
3. Transform-along mid-ocean ridges
Discuss rifting, continental collision, and hot-spot formation, and show
where these processes happen today. - ANSWER Rifting is where things such
as mountains or the sea floor is spreading away from each other (East African
Rift Valley). Continental collision is where big mountains are formed from the
continental-continental convergent boundary (Himalayas). A hot-spot
formation happens when the mantle material comes up through an area that
is not going through a plate boundary causing volcanoes that are not
explosive (Hawaii).
Characterize the processes driving plate motion. Draw images of how this
affects plate motion. - ANSWER All of the different plates on Earth are all
moving in different directions from the Earth's inner core relieving pressure
along the continental and oceanic crust that causes the convergent,
divergent, and transform boundaries to move in their own different ways.
