20231019154143341
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School
Liberty University *
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Course
ALGEBRA
Subject
Geology
Date
Dec 6, 2023
Type
Pages
4
Uploaded by CaptainThunder11513
SEDIMENTARY
ROCK
IDENTIFICATION
LAB
T
L
A3
WEgR
Name:
!fif}flw{fi[‘,
faraeys
pate:
L0/
t%/
7
Objective
To
identify
sedimentary
rocks
based
on
grain
size,
texture,
and
composition
Materials
+
Clastic/Chemical
Sedimentary
Rock
Charts
«
Mohs
Hardness
Scale
(Optional,
used
in
previous
lab)
Purpose
(5
pts)
Write
1~2
sentences
stating
the
purpose
of
this
lab.
What
do
you
expect
to
learn?
What
do
you
want
the
outcome
to
be?
Gere
the
P
hotas
ot
Sed
meafee
Tocks,
PP
dent
€y
o
‘(’”é’%‘(
acter
s
el
correaty
e
”/F’“c‘\/‘
the
rock,
Hypothesis
(5
pts)
Write
your
hypothesis
for
this
lab.
It
should
be
1
sentence
and
be an
if/then
statement.
(Remember
this
is
your
educated
guess
as to
what
will
happen
in
this
lab.)
-
}
R
B
P
[
Py
-
o,
e
S
a
=
(M
L.
Py
i
‘o
(o
yeotl
¥
et
Ty
Y
/‘f*w'm;
O
the
glven
ypcics
vy
-
;
»
o
G
v
Yool
s
Fhon
4
be
obie
Fe
m’éfi,’/’ffi’tfi’}’
*éy
rocl,
Procedure
1.
Read
through
all
of
the
steps
in
the
procedure
as
well
as
the
Data
section.
Then
complete
the
Purpose
and
Hypothesis
sections.
2.
Using
the
information provided
in
the
Dato
table
and
the Clastic
and
Chemical
Sedimentary
Rock
Chart
complete
the
Data
table
and
name
each
sedimentary
rock.
3.
Complete
the
Observations,
Analysis
and
Conclusion,
and
Application
sections
before
submitting
the
lab
assignment.
Data
(60
pts)
You
may
want
to
refer
to
the
Mohs
Hardness
scale
chart
from
the
Mineral
Identification
Lab
to
help
you
decipher
the
composition
based
on
hardness.
You
will
also
want
to
keep
in
mind
that
calcite
reacts
with
hydrochloric
acid.
(2
pts
per
blank
=
60
pts
total}
(/"’Leml
el
Organic/
Biologic
éétemtkc
el
cl
ohtee
clestic
Clebtic
:
Med:
v
fi//@/
Sren,
e
Fine
to
(cle
re.
coarse
Crystalline
Chelis/
Coled
Coytde,
cemented
Sheld
Fine
to
.
Calditeand
some
-
gypoiy
coarse
~
shell
and
skeleton
|
Crystalline
f
fragments
cheats/
Codere
degsi't
%mw
red
[
‘mebtone
6@1@((5
Very
Fine
§M
e
|
|
(<1/256
?
;
mm)
|
|
|
i
|
!
i
j
COUI
i
Wé
|
C
Zu{]
fi\
¢
Very
e
7
Silica
{Quartz)
Gritsten
e
Clobtlc
~'
‘
grevel
Grececn
Biologic
s
Altered
Plant
‘
Fragments
Data
Table
1
Observations
(10
pts)
What
do
you
notice
about
the
differences
between
clastic,
chemical,
and
organic
sedimentary
rocks
from
the
samples
you
looked
at?
State
your
answer
in
2-3
sentences.
[
e
T
fevre
hes
the
4
Sees
s
b
ofvwees;
A
BNCA
.
IL“’C}/
6%3”*{5‘”?’7
ceh
;
(f!{'}
e
el
fi"r’fl'(l’_é
fi?
é{?
L‘/&éa’?
.
Analysis
&
Conclusion
{10
pts)
Which
characteristic
was
most
helpful
in
identifying
the
rock
(texture,
grain
size,
composition)?
How
could
this
lab
exercise
be
improved?
s
there
any
additional
information
that
would
have
been
helpful
to
you
in
identifying
the
rock
samples?
Did
you
struggle
to
identify
any
of
the
samples
and
if
so,
why?
State
your
answer
to
these
questions
in
complete
sentences.
e
Db
f
/Am;%/f'[:«fiw
e
g
{/3’&‘5
poran
¢
7y
fx,%#m?;
o
.
(£
dhere
were
o
Few
mMp#E
cotegoris
il
Vel
Zzw’
2
bee
heconht
e
i
FALe
4
eapier
Application
(10
pts)
Imagine
you
are
walking
in
the
woods
and
you
come
across
a
gray
rock
composed
of
a
number
of
different
fossilized
organisms
such
as
crinoids,
trilobites,
and
brachiopods.
You
pour
some
hydrochloric
acid
on
the
rock
and
notice
that
it
reacts
to
the
acid.
Based
on
this
information,
what
is
the
name
of
this
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rock
and
what
does
it
tell
you
about
the
environment
in
which
it
formed?
State
your
answer
in
complete
sentences.
?’7’5»’
The
rock
wouwld
most
[ikely
be
T
omesk
lkpl
.
Eemad
ar
4
Cuereas
0F
e
fptl.
v
s
syl
e
S
i
wo
ke
it
restfed
like
He
becouse
pe
Hie
056
{2ttt
¢
cod
e
e,
e
Deccnse
Hogrer
Tern
g,