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Chapter 3 Rocks

Section 3.3 Sedimentary Rocks

This scctio11 disrnsscs tl,e for111atio11 a11d clnssificalio11 of sedime11tnry rocks.
Reading Strategy
32
Outlining 1:]1is outline is a continuation of the outline from Section · ·
Complete this outline as you read. Include points about how each
of these rocks forms, some of the characteristics of each rock type,
and some examples of each. For more information on this Reading
Strategy, see the Reading and Study Skills in the Skills and Reference
Handbook at the end of your textbook.

11. Sedimentary Rocks

A.

2. - - - - - - - - - - - - - - - - -

~J--~~%f
B. Chemical Rocks I
, foimoJ
V\I\ 1~C1 I. f cL_~ _fl-i.JQ-fl-L
2. lz~b

Formation of Sedimentary Rocks

Match each description lo its term.
V Description Term
_ 1. a process that squeezes, or \ cementation
/ . compacts, sediments ~ -deposition
\., 2. involves weathering and the 'II... comp;iction
removal of rock ~erosion
CL, J. takes place when dissol ved
minerals are deposited in the
L tiny spaces among the sedimL•nts
Q 4. when sediments are dropped by
- water, wind, ice, or gravity
s. Is the follow ing sentence true or false? SL•dimcntary rocks form
when soli s sett le OtJt t >f a fluid such as wa ter l•r air.

[art/1 Scimcr Guided Rt>aJin); and Study \Vnrkbo,,k • 23

 ---------
Chapter 3
D.ite - - -
Rock ~
6
- Ci rcle
•
th C' 1c•t tc rs of tI1c st;i tcmcnts th;it ilre trne of the format10
· n of
sed imentary rocks.
0 Wr;i th rri ng is the first step in the formation of sed imcn tuy
rocks.
®Weathered sediments don't usu;i lly remain in pl;icc.
\9 Smnll sediments often are carried large dista nces before being
deposi ted.
d. Small sediments usually are deposited first.

Classification of Sedimentary Rocks

7· Complete the Venn diagram comparing the formation of the two
mum groups of sed imentary rocks.
Clastic Sedimentary Rock Chemical Sedimentary Rock

J-.. •,cfi d\ Q:J_

\v'\.r \~ vVtLlA <i
rfo'M WM-lf
!) ' \l>i\<iY\ 5

8. Circle the letters of the names of the rock groups that are classified
as elastic sedimentary rocks.
C) conglomerate ffi_ breccia
c. coquina ©sandstone

Features of Some Sedimentary Rocks

9. ls the following sentence true or false? In undisturbe,d sedimentary
rocks, the oldest layers are found on the bottom. lfl~,
10. Ripple marks in a sedimentary rock may indicate that the rock
formed along a(n) 1oe0\-C,V\ or Sw ot()/\ '\)ecL::
bed.
11. What are ·
\l\l'~

Enrt/1Scie11ce Guid ed Reading and Study Work book • 24

- section a. 4 IVI
This section discu etarnorph· R
sses theJo,-,,,n . IC
11011 n11d clnssi{" ·
ocks
[ .la te _ _ __ _

Read· 1
ing Strat .1 cnt1011 of //le/(111,arp!,ic rocks.
Outlining Thi egy
C I s outline 1.
omp ete it as Yo s a continu t·
1 11
forms, some of tl1 u read . lnclucte ~ of the outline from Secti on 3.3.
of each. For rn ~ characteristic pofmts about how each of these rocks
Reading and St ore tnf0 s o ench ro k t I
rrnation 0 11 this R _c ypc, and some cxa mp cs
at the end of y 0 Udy Skills in the Sk'll ead ,ng Strategy, see th e
1
r - - - - - - : _ ur textbook, · sand Reference Handbook
Ill. Metamorphic Rock
A Fo . s Describe ea h .
hated Rocks c and 11st one example
1. ~1,'c:a(
Wn
2. & ' F)

------------ ---
' :·~011?3~,
-Y1v.,a~~,_l
2.
\OA M1
_ •
I
"-'\--'-"--=-==----------

1. !,s the fo llo:,-ving sentenc~ ~ue or fa lse? Metamorphism means

a change m fo rm ." --&r...,,_,\ll"le~---
Formation of Metamorphic Rocks
Match each description to its term. The terms will be used more than once.
Description Term
2. lakes place when magma a. contact metamorph ism
in tru d es rock b. regional metamorphism
3. produces h igh-grade
metamorphism
4. produces low-grade
metamorph ism
5. changes in rock are m inor
6. resu lts in large-sca le
deform a ti on
7. fo rms ma rble
8. occurs during mountain bui ldi ng

Earth Scimce Guided Rea ding and Studv Workbook • 25

 Clas s - - -
Nil mc
-----------
Ch apter 3 Rocks

Agents of Metamorphism
9.
~
TA1: jf.1c1~t; ,l m-; -'tamorphism are
and _---1,.i-1....a:::.\-U-~'-'-"<--'-" soluti ons .

10. ls the fo ll owi ng sentence tru e or fa lse? During me tamorphiSnl,

rnck:£b.'\lj:;'.lly subjected to on eagen t ata Hme

,------ --------------------
11. Complete the tab le below.

Cause Effect
Provides energy needed . to drive chemic~'t·
e ex1s in g
Heal
reactions. These reactions can caus magma
mineral to crystallize . Heat comes from th
and the increased temperature with deP .

e causes
-----
Pressure Pressure increases with depth. pressur
space between minerals to close, created
compact rocks with greater density. can also
cause minerals to recrystalize.

Reactions in solution Water solutions can aide in recrys ta 11·12 at1·on of

minerals. Water can also aid in the transport and
deposition of new mineral compounds.

5l
Classification of Metamorphic Rocks
12. Circle the letter of each sentence that is true about foliated
metamorphic rocks.

l
it is rock with a layered or banded appearance.
Pressure can form it.
Gneiss and marble are examples of it.
Schist is an example of it.
13. Circle the letter of each sentence that is true about nonfoliated
metamorphic rocks.
It is a metamorphic rock that does not have a ba nded texture.
\QJ Most of it contains several different types of mi nerals
c. Marble is an example of it. ·
Quartzite and anthracite are examples of it.

Enrlh Scimce Guided Rea ding and Study vVor kb ook • 26

 b c 0 'f ¤l_Fit
1.1 , , 1 I 12
, ,1,0 , r 1 /, r , 1 1 ,
f'tll,,1 ½11,l,,1 f ,,,t111 7 ,,,1,,, ~ •.. 1,11 ~ 111l1 ~ 111!1111 1 1lr11 ~ 1 11 l1

The Rock Cycle

Igneous Rock
cooling
/
Heatancl
pressure
Magma

heating

Metamorphic
Cementationand rock
compaction weathering

60' F II Q Search