Historical Geology-Geos 255
Lecture exam 2, March 8, 2012
Name:
1. List the epochs of the Cenozoic in order from oldest to youngest (6 pts):
Paleocene_, _____________________, ____________________, ____________________,
____________________, ____________________, ____________________
2. Matching. Match the item or idea on the left with the person who discussed it;
note that individuals to the right column may fit more than one answer or none.
(3pts. each - 21 total)
____made the first map of the ocean floor a.
____ described a cycle of opening and
b.
closing of an ocean
____discovered continental drift
____ experimented early life conditions
in a lab
____describe the unconformity at Siccar
Point
____
____"the present is the key to the past"
c. Bruce Heezen and Marie Tharp
d. Wilson
e. Alfred Wagener
f. Stanley Miller
g.
h. James Hutton
i. William Smith
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3. Briefly describe or define the following terms (1 pts. each - 10 total):
a. continental drift
b. sea floor spreading
c. polar wonder
d. foreland basin
e. rift
f.
g.
h.
i.
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j.
4. Fill in the 10 blank boxes in the figure below using the following terms:
continental crust, continental volcanic arc, oceanic trench, lithosphere, mid oceanic
ridge, volcanic island arc, continental rift, oceanic crust, convective cell, sea floor
spreading.
(2 pts. each - 20 total):
5. Contrast the following two terms: how are they different? (4 pts. each - 20 total)
A. passive vs. active margin
B. normal vs. reverse fault
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C.
D.
E. For the figure below,
a. What does the Y axis and x axis represent?
b. Briefly explain the significance of this figure?
6. (3pts. each - 9 total) Concisely answer the following questions
a. How old is the Nuvvuagittuq greenstone belt of northern Quebec?
b. How did scientists determine the age of these rocks?
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c. How did they interpret these rocks and what do they represent?
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