WorksheetsRock Strata and Relative Dating of Geologic Columns
Total questions: 19
Worksheet time: 27mins
Name
Class
Date
1.
The statement that the oldest layer will be at the bottom in an undisturbed sequence of rock layers is called the Principle of ....
a)
Inclusions
b)
Unconformities
c)
Cross-Cutting Relationships
d)
Superposition
2.
The Principle of Cross-Cutting Relationships states that an igneous intrusion is
a)
always younger than the layers it cuts across
b)
always older than the layers it cuts across
c)
the same age as the rock it melted
d)
none of the answers are correct
3.
Relative age dating is used to determine the...
a)
actual age of an event
b)
length of time between two events
c)
age of one event in comparison with other events
d)
rate at which a gologic process occurs
4.
Older rocks contained within newer rocks are called...
a)
intrusions
b)
inclusions
c)
fossils
d)
faults
5.
Which of the following correctly lists the layers in order from oldest to youngest?
a)
A, B, C, D, E
b)
E, B, C, D, A
c)
E, D, C, B, A
d)
C, B, A, D, E
6.
How old is the Earth?
a)
4.6 billion years
b)
1.4 billion years
c)
4.6 million years
d)
6000 years
7.
What is the oldest layer in the outcrop?
a)
B
b)
C
c)
D
d)
E
8.
What is the youngest layer in the outcrop?
a)
A
b)
B
c)
C
d)
D
9.
The rock formation labeled "P" is a(n)...
a)
fault
b)
intrusion
c)
inclusion
d)
unconformity
10.
Letter "F" is a....
a)
inclusion
b)
intrusion
c)
fault
d)
unconformity
11.
Letter "A" is an....
a)
inclusion
b)
intrusion
c)
fault
d)
unconformity
12.
Traces or remains of organisms that lived long ago
a)
Fossil
b)
Unconformity
c)
Superposition
d)
Column
13.
How does the law of crosscutting explain the age of a fault?
a)
The fault is younger than the rocks above it.
b)
The fault is younger than the rocks it cuts through.
c)
The fault is older than the rocks above it.
d)
The fault is older than the rocks it cuts through.
14.
What are the relative ages of the features in order from oldest to youngest?
a)
Limestone, Basalt, Fault, Siltstone
b)
Siltstone, Fault, Basalt, Limestone
c)
Limestone, Fault, Basalt, Siltstone
d)
Limestone, Siltstone, Fault, Basalt
15.
The Geologic Time Scale is a record of what?
a)
old geologists
b)
sweet geology music
c)
the known history of rocks and fossils
d)
a list of every living thing ever
16.
How does sedimentary rock usually form?
a)
Vertically
b)
Diagonally
c)
Folding
d)
Horizontally
17.
The numerical age, in years, of any object.
a)
absolute age
b)
relative age
c)
space age
d)
old age
18.
In which kind of rock do we usually find a fossil?
a)
sedimentary rock
b)
metamorphic rock
c)
igneous rock
19.
The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?
a)
Fossil A and C are the same age
b)
Fossil B is older than fossil C
c)
Fossils A is older than fossil B
d)
Fossil D is older than fossil C
100 %
