Post on 23-Feb-2018
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SEDIMENTARY
ROCKS
Generally form
from thecompactionandcmntationof
sediments.
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WHAT IS SEDIMENT?
-Sediments are fragments
of roc that ha!e "een"roen do#n as a res$lt of
#eathering.
%#ind& rain& r$nning#ater& etc.'
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SEDIMENTS A(E
)*ASSI+IED A)),(DINGT, THEI( SIE.
)*A SI*T SAND
/E00*E
),00*E 0,1*DE(
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R!ation"#ip o$T%an"po%t&Pa%tic! Si' toWat% (!ocit)
gra2h
T/ES ,+ SEDIMENTA(
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T/ES ,+ SEDIMENTA((,)3
4.
)*ASTI)-)om2acted sediments-)lassi5ed "y si6e
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),NG*,ME(ATE
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0(E))IA
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SANDST,NE
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SI*TST,NE
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SHA*E
T/ES ,+ SEDIMENTA(
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T/ES ,+ SEDIMENTA((,)3
7. )(STA**INE
-E!a2orites
- /reci2itates
8. ,(GANIN)
-0iologicalmatter
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*+ CRYSTALLINE:E(APORITES AND
PRECIPITATES
(,)3 SA*T
(,)3 G/S1M
D1*,1 ST,NE
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8. 0I,*,GI)A* MATTE(- also no#n as ioc!a"tic"
- com2acted organic materials
),A* 9com2acted 2lant
remains
),:1INA 9com2acted shells
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+A)T;Sedimentary rocs are the only ty2e of rocsthat may contain fossils or e!idences of2ast life.
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METAMORPHIC
ROCK
rocs that arechanged as ares$lt of e
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TW, T/ES ,+METAM,(/HISM
4. )ontact Metamor2hism -HEAT
7. (egional Metamor2hism 9
PRESS.RE
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