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ES SOL - Geologic Time Flashcards | StudBud
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ES SOL - Geologic Time
ES SOL - Geologic Time
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1
Rocks in the ocean are no more than 180 myo. Which era could the ocean floor have formed?
Paleozoic
Mesozoic
Triassic
Precambrian
2
Compared to the Rocky Mountains, the Appalachian Mountains are much -
older
thicker
higher
less eroded
3
In this section of undisturbed sedimentary layers, which best describes layer 2?
It was deposited after layer 3.
It was intruded into layer 3.
It was intruded into layer 1.
It was deposited after layer 1.
4
In which type of rock are fossils most likely to be found?
sedimentary
igneous extrusive
igneous intrusive
metamorphic
5
The map shows ages of the exposed bedrock in VA. Which city bedrock the same age as Bristol?
Harrisonburg
Norfolk
Charlottesville
Deel
6
What is the best evidence that many different geologic periods are represented in Virginia?
the presence of fossils of different ages
the location of the Piedmont
the length of its rivers
the amount of chemical weathering
7
These sections show 3 fossils (W,X,Y) in rock layers of 2 sites. X is likely the oldest. Why?
X is below W
X is above the ash layer
X is in sandstone
X is in the lowest layer
8
Which region of Virginia is classified as the Piedmont?
1
4
2
3
9
The layer in the soil profile that has the most humus is -
1
4
2
3
10
Why are identical rock types, fossils and mountain ranges are found on separate continents.
Some rock types are very common and found everywhere.
The same forces erode mountains in different locations.
These continents were joined together at one time.
Organisms traveled between continents on land bridges.
11
Volcanic ash occasionally forms molds of animals. It occurs when ash covers the animal and -
mineralizes the animal's bones
enters the animal's body cavity
hardens before the animal decays
replaces the animal's soft tissues
12
Which area is most likely the oldest section of rock?
1
4
2
3
13
The hypothesis for dinosaur extinction with the most scientific support links the extinction to
the appearance of man
the increase in numbers of mammals
a large object from space hitting the Earth
a long drought
14
Which of these is the best indication of the relative age of a rock layer?
the thickness of the layer
the distance the layer extends over the Earth
the position of the layer compared to others
the chemical makeup of the layer
15
Which may preserve ancient remains of plants and animals?
granitic intrusion
folded gneiss
foliated schist
volcanic ash
