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School
Georgia Southern University *
*We aren’t endorsed by this school
Course
1121
Subject
Geology
Date
Jan 9, 2024
Type
Pages
6
Uploaded by ajbrown2219
Questions
A.
Forming
Unconformities
1.
The
panels
in
Figure
6
below
represent
the
sequential
formation
of
a
nonconformity.
List
the
panels
in
their
correct
order
from
oldest
to
youngest.
C
(youngest)
Figure
6.
Nonconformity
sequence
puzzle.
2.
The
panels
in
Figure
7
below
represent
the
sequential
formation
of
an
angular
unconformity.
List
the
panels
in
their
correct
order
from
oldest
to
youngest.
Figure
7.
Angular
unconformity
sequence
puzzle.
3.
The
panels
in
Figure
8
below
r
their
correct
order
from
oldest
epresent
the
sequential
formation
of
a
disconformity.
List
the
panels
in
to
youngest.
(oldest
JV
')
I\
\-
\
-
g
~—
(youngest)
Figure
8.
Disconformity
sequence
puzzle.
B.
Sequence
of
Events
Diagrams
4.
A
geologic
sequence
diagram
is
a
geologic
cross-section
where
the
relative
determined.
Using
the
six
geologic
principles
from
above,
determine
the
rel
units
for
the
following
cross
section.
order
of
events
has
been
ative
ages
of
the
rock
Youngest
Figure
9.
A
simplified
geologic
cross-section.
Unit
R
is
an
igneous
intrusion
with
a
"bake
zone"
(stippling).
Geologic
History
of
Lava
Canyon
Let'g
use
some
relative
dating
concepts
to
reconstruct
the
geologic
history
of
Lava
Canyon.
Use
the
Key
to
Fill
Patterns
to
Rock
Units
at
the
back
of
this
lab
to
answer
the
following
questions
Figure
10.
The
Lava
Canyon
sequence
diagram.
5.
Determine
the
relative
sequence
of
ages
(oldest
to
youngest)
of
the
rock
units
in
Figure
10.
Label
the
titling
as
T1.
Do
not
include
the
unconformities
X,
Y,
and
Z.
"\
1
-
1
X
\
‘\‘\
|
s
(
\
\\
T
\
\
(oldesty
T\
Y=
-
.
(younges?)
a.
Which
type
of
unconformity
is
Z?
RO\
)
(N
TR
i\,
7\“\,
AT
b.
Which
type
of
unconformity
is
Y?
__
\\
(OVINER
_T_\mlf
B0
L
R
¢.
Which
type
of
unconformity
is
X?
__
L\
\\_\,\.L_
o
SR
Nl
NN
G
d.
Which
type
of
metamorphic
rock
formed
in
the
baked
zone
at
Unit
G?
_A__,hLIA;_L"_L
/o
e.
Which
geologic
principle
allowed
you
to
determine
the
relative
ages
of
units
K-C
and
S-F?
©
v
2
|
\
/
\‘,
\
/\\
\(
O
\\\\\\
)
\\\\\\
ik
gt
\
f.
Explain
in
one
complete
sentence
why
Unit
D
is
younger.
than
all
the
other
rock
unnts
\y\\\u‘*\"
(\\\‘\x‘-‘\'
g.
|fintrusion
M
was
dated
to
be
38
Ma
and
intrusion
T
was
dated
to
be
26
Ma,
then:
-
How
oldis
layer
A?
Older
than
38
Ma
267to
38
Ma™
Younger
than
26
Ma
-
When
did
tilting
of
layers
H-C
occur?
Before
38
Ma
26
to
38
Ma
K
Aflem‘\‘
I
R
R
R
R
R
R
R R R
R
R
R
R
R
R
R
R
O
R
O
R
RO
R
R
R
R
R
R R
R
R
R
R
R
RRRRERESRDRDRERERED
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