Lab 7 Kassandra Segura
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School
Blinn College *
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Course
1403
Subject
Geology
Date
Dec 6, 2023
Type
Pages
8
Uploaded by kmsegura_
Problems
2.
Complete
the
block
diagram
of
the
fault.
A.
Finish
numbering
the
layers
on the
right
side
of
the
fault.
B
Label
the
hanging
wall
and
footwall.
C.
Draw
half
arrows
on
the
cross-section
to
show
the
movement
of
the
fault
blocks.
D.
What
type
of
fault
is
this?
==
Normal
(Reverse
3.
Complete
the
block
diagram
of
the
fault.
A
Finish
numbering
the
layers
on
the
left
side
of
the
fault.
B
Label
the
hanging
wall
and
footwall.
€.
Draw
half
arrows
on
the
cross-section
to
show
the
movement
of
the
fault
blocks.
D.
What
type
of
fault
is
this?
Normal)
Reverse
4.
The
following
diagram
is
a
map
view
of
a
fault
(you
S
are
looking
down
on
the
surface
at
a
road
broken
by
the
fault).
A.
Draw
half
arrows
on
each
side
of
the
fault
showing
the
direction
of
movement
for
that
block.
B.
What
type
of
fault
is
this?
right-lateral
strike-slip
left-lateral
strike-slip
Refer
to
block
model
#9.
What
type
of
fault
s
this?
{1
MAP
VIEW
e
e
e
6.
Identify
the
type
of
fault
shown
in
each
block
diagram
below:
normal
fault,
reverse
fault,
right-lateral
strike-slip
fault,
or
left
lateral
strike-slip
fault
Label
the
hanging
wall
and
footwall
on
the
normal
and
reverse
faults.
D
V(’i\//",
(
'.1
‘/l)))
H
"'
\
(/\(\{1/\
O
‘1
(A
62
Geologic
Structures
and
Maps
D
Problems
7.
Identify
the
type
of
fold
shown
by
each
block
model.
[
|
,
i
Model
3
[
Model
4
Ci
r
Model
5
Model
6
P
LA
Model
7
Model
8
8.
A.
Number
the
rock
layers
on
the
geologic
map
surface
of
the
block
diagram
below.
B.
What
type
of
fold
is
shown
in
the
block
diagram?
U
{
C.
Place
strike
and
dip
symbols
on
the
upper
surface
of
rc;ck
layer
2.
(Use
layer
3
as
an
example).
I
77
3
9.
A.
Number
the
rock
layers
on
the
geologic
map
surface
of
the
block
diagram
below.
fiwnk
7
B.
What
type
of
fold
is
shown
in
the
block
diagram?
Y
CAne
C.
Place
strike
and
dip
symbols
on
the
upper
surface
of
rock
layer
2.
(Use
layer
3
as
an
example).
3/82
1
2.
X3
64
Geologic
Structures
and
Maps
N)
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14.
What
type
of
structure
is
shown
on
this
geologic
map?
7
Jiade
s
younger
rock
MAP
VIEW
15.
A.
Do
strike
and
dip
symbols
on
this
geologic
map
show
the
rock
layers
dipping
toward
or
away
from
the
center
of
iy
this
structure?
toward
a@mm\
B.
What
type
of
structure
is
this?
o
(
P
C.
Which
rock
is
younger?
A)
B
\
3
=
MAP
VIEW
16.
A.
What
type
of
structure
is
shown
on
this
geologic
map?
S
U\
>
B.
Which
rockisolder?
(A
)
B
MAP
VIEW
66
Geologic
Structures
and
Maps
SRR
e
PR
T
é
GEOLOGIC
MAP
SYMBOLS
35
D
>
«
>
»‘.
-
f
»
3
7
strike
and
dip
fault
syncline
anticline
plunging
syncline
plunging
anticline
17.
A.
Identify
the
structure
in
the
18.
A.
Identify
the
structure
in
the
geologic
map
below.
geologic
map
below.
|
|
B.
Draw
strike
and
dip
symboles
on
the
rock
B.
Draw
the
correct
geologic
map
symbol
on
?
layers
labeled
A.
the
center
of
this
fold.
g
C.
Draw
strike
and
dip
symbols
on
the
younger
rock
layers.
—b|e—
A
A
B
|2
3e|28(3¢°
g
MAP
VIEW
-
—
MAP
VIEW
19.
A.
Draw
half
arrows
on
the
cross-sectionto
20.
A.
Identify
the
structure
below.
show
the
movement
of
the
fault
blocks.
D\
UNO
(hint:
D
means
down,
U
means
up)
»L
B.
Draw
the
cross-section
view
on
the
front.
B.
What
type
of
fault
is
this?
Ve
Ve
&
C
¢
)|
21.
This
geologic
map
shows
tilted
layers.
What
direction
are
the
layers
dipping?
7
5
NOvT)
i<t
X
N
g
X
T
X
MAP
VIEW
Geologic
Structures
and
Map:
67
Geologic
Maps
Ona
9‘9°l°9i:
map
each
rock
unit
at
the
Earth's
surface
is
represented
by
a
color,
letters
and
;imetlmes
a
pattern.
The
first
letter(s),
which
are
capitalized,
indicate
the
geologic
age
of
the
rock.
e
following
lower
case
letter(s)
reference
the
name
of
the
rock
unit.
The
explanation
or
key
is
shown
as
a
column
of
the
rock
units
listed
in
order
of
increasing
age.
The
youngest
rock
unit
is
at
the
top
of
the
column;
the
oldest
rock
unit
is
on
the
bottom.
The
basic
rock
nit
geologists
use,
called
a
Formation
is
defined
as
a
mappable
unit
of
rock.
Formations
can
be
combined
into
a
larger
rock
unit
called
a
Group
and
divided
into
smaller
rock
units
called
Members.
All
of
these
designations
can
be
used
on
a
geologic
map.
The
map
shown
below
uses
formations
only.
The
line
separating
rock
units
is
called
a
contact
line.
EXPLANATION
AGE
UNIT
TRIMMERS
ROCK;
FORMATION
Dtr
HARREL
FORMATION
Dh
MAHANTANGO
FORMATION
Dmh
MARCELLUS
FORMATION
Dmr
ONONDAGA
FORMATION
Don
Dmh
OLD
PORT
.
FORMATION
|
™\
/
Do
’
Dmr
Dmr
LOWER
DEVONIAN‘
MIDDLE
DEVONIAN
|UPPER
DEVONIAN
|
Do
~~.Don
Bedrock
Geologic
Map
of
Montgomery,
Pennsylvania
jic
Structures
and
Maps
68
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Questions
Refer
to
the
Bedrock
Geologic
Map
of
Montgomery,
Pennsylvania
27.
28.
What
is
the
name
of
the
oldest
rock
formation?
Nhat
is
the
name
of
the
youngest
rock
formation?
\IJ;
1
e
During
what
geologic
period
(age)
did
these
rock
formations
form?
|
X_
VO
.
What
geologic
structure
is
shown
on
this
map?
]
||
A
Y
6.
Below
the
surface, do
the
rock
layers
dip
toward
or
away
from
the
center
of
the
fold?
foward
away
from
Draw
a
strike
and
dip
symbol
on
the
Mahantango
Formation
(Dmh)
Draw
the
correct
geologic
map
symbol
on
the
center
of
this
fold.
Use
the color
Geology
of
Texas
Map
provided
in
class
to
answer
the
following
questions.
29.
30.
31.
32,
33,
34.
35.
36.
37.
38.
39,
40.
41.
At
which
of
the
following
locations
would
you
find
the
youngest
rock?
Amarillo
Midland
@
Dallas
What
letters
are
used
to
represent
the
oldest
rock?
7‘/
What
is
the
geologic
age
of
this
rock?
Pre’cambriaT\\
Paleozoic
Mesozoic
Cenozoic
Which
of
the
following
is
a
possible
absolute
age
for
this
rock?
40
my
265
m.y.
450
m.y.
T5m>
Dinosaurs
lived
during
the
Mesozoic
Era.
Which
location
could
have
dinosaur
fossils
in
rocks
at
the
Earth’s
surface?
Houston
Midland
(@
Corpus
Christi
Observe
the
shape
of
the
youngest
units on
the
map
(Qal).
What
is
currently
depositing
sediment
at
these
locations?
e
C
/‘/—\,
!f,"h
A
c
ANV
Bryan
is
located
on
the
Yegua
Formation.
During
which
geologic
epoch
did
this
form?
Pliocene
Miocene
Oligocene
’flr:e
)
=
What
is
the
age
range
of
this
geologic
period?
What
letters
represent
the
Yegua
Formation?
What
is
the
name
of
the
Group
to
the
east
of
the
Yegua
Formation?
':_,H’!
NC
LY
Is
this
Group
older
or
younger
than
the
Yegua
Formation?
Older
@j
GRS
Do
rocks
become
older
or
younger
if
you
continue
to
the
east?
Older
/’Younger)
If
#1
is
the
older
rock,
which
diagram
could
represent
the
subsurface
geology
of
this
eastern
portion
of
Texas?
A
(B
)
WEST
EAST
WEST
‘
EAST
AR