Metamorphic or intrusive igneous rock

Assignment 4This covers Unit IV Geologic Time in the textbook (Chapter 8).
 
Matching (3 points)
1)Match each item with the correct description (there will be one unused description).
catastrophism
amber
uniformitarianism
index fossil
 
A)a fossil organism that is restricted to a certain brief stretch of geologic time, but was widespread and abundant during its time on Earth
B)the notion that we can understand the geologic past by focusing on present day processes and physical laws; geologic change may be slow or gradual
C)an unconformity in which younger sedimentary layers overlie older metamorphic or intrusive igneous rock (sedimentary layers sit on an erosion surface)
D)the defunct notion that the Earth is only a few thousand years old, and that all geologic change is accomplished rapidly through violent events
E)fossil tree sap
 
MULTIPLE CHOICE.Choose the one alternative that best completes the statement or answers the question. (3 points each)
 
 
Numbers 2, 3, and 4: Examine the figure above that shows the sequence of strata in three Colorado Plateau national parks (page 282 in textbook).
 
2) Which unit(s) are shared by Grand Canyon National Park and Zion National Park?
A) Moenkopi and ChinleB) Toroweap and Kaibab
C) Kaibab onlyD) Kaibab and Monekopi
 
3) If the Wingate Sandstone was deposited in the Triassic period, the Navajo Sandstone in the late Triassic through early Jurassic, and the Carmel Formation in the Jurassic, a visitor to Bryce Canyon National Park shouldn’t expect to find any strata older than the ________ period.
A) PermianB) TriassicC) TertiaryD) Cretaceous
 
4) Since the Moenkopi Formation was deposited at the end of the Permian period and the very beginning of the Triassic, and the Navajo Sandstone was deposited at the end of the Triassic and into the Jurassic, what is the age of the Chinle Formation?
A) TriassicB) JurassicC) PermianD) Cambrian
 
5) “This rock is fifteen million years old,” is an example of ________.
A) the principle of cross-cutting relationshipsB) superposition
C) a numerical dateD) a relative date