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GEOGRAFIACUATERNARULUI

Tutore curs:

Conf. univ. dr. Marian ENE

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Conf. univ. dr.Marian ENE DEFINIREA

TEMPORAL!I

"TRUCTURALA

CUATERNARULUI

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o r#cire c$i%atic# %a&or# 'n ur%# cu circa ( %i$. ani

acu%u$#ri i%ense de )*ea+#

feno%en re,eta-i$ dea $un)u$ istoriei )eo$o)ice

feno%en cu i%,ortan+# deose-it# 'n definitivareastructurii fi/ico)eo)rafice a Terrei

feno%enu$ )$aciar 0 %anifestat direct sau indirect $anive$u$ Terrei

a$ternan+e$e de fa/e 0 consecin+e asu,raco%,onente$or de %ediu

Cuaternaru$ 0 a,ari+ia OMULUI

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CUM A E1OLUATPM2NTUL P2N

ACUM3

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PM2NTUL 0 GENE4 !I E1OLU5IE6768 %i$iarde ani 0 9i) 9an)u$: 'ntro nanosecund# 6; %

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PM2NTUL 0 GENE4 !I E1OLU5IE

6(6; %i$iarde ani 0 For%area ,ri%e$or )a$a?ii cu ste$e 'n interior. Ro$ )ravita+ia

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PM2NTUL 0 GENE4 !I E1OLU5IE7@B %i$iarde ani 0 A $uat natere "iste%u$ "o$ar 'ntrunu$ din -ra+e$e )a$a?iei Ca$ea Lactee@

cu ,roto"oare$e 'n centru$ s#u 'ncon&urat de ,roto,$anete@ ,$anetoi/i

7@ %i$iarde ani 0 "e for%ea/# siste%u$ de ,$anete ca ur%are a ,rocesu$ui de acre+ie:re/u$t# ,atru ,$anete te$urice Mercur@ 1enus@ P#%nt@ Marte= i ,atru ,$anete)e %ari di%ensiuni u,iter@ "aturn@ Uranus i Ne,tun= a$c#tuite din e$e%enteuoare.

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7@ 0 8@ %i$iarde ani adean= 0 P#%ntu$ evo$uea/# de $a stadiu$ de ,roto,$anet# $a ce$ de,$anet#.

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7@B %i$iarde ani 0 P#%ntu$ este $ovit de un ,$anetoid. "e for%ea/# Luna.

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A * i 8 ( B i$i d i $id # + t t # f # - i $

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Ar*aic 8@ 0 (@B %i$iarde ani: se conso$idea/# scoar+a terestr#H se for%ea/# -a/ine$eoceaniceH se for%ea/# at%osfera terestr#.

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Era PROTERO4OIC ( B ; B %i$iarde ani

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Era PROTERO4OIC 0 (@B 0 ;@B %i$iarde ani.

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G$acia+iunea uronian# 0 (@8 0 (@; %$d. ani

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G$acia+iunea uronian# (@8 (@; %$d. ani

G$acia+iunea din Pt/. su,erior 0

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G$acia+iunea din Pt/. su,erior

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Eonu$ P*anero/oic: B; %i$. ani Pre/ent

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o u e o o c: B; . e e

PALEO4OIC: B; 0 (7B %i$. ani era ,#duri$or $u?uriante de feri)i ar-orescenteH era

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, ) Htri$o-i+i$or=

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Oro)ene/a ca$edonian#

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)7B;7;; %i$. ani=

Oro)ene/a ca$edonian# 7B;7;; %i$. ani=H Oro)ene/a *ercinic# 8;;(B; %i$. ani=

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) =H ) =

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Oro)ene/a *ercinic# 8;;(B; %i$. ani=

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G$acia+iunea GondJanian# 86;(; %i$. ani=

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ULU ES

C PENTRU

ATENIE!

Conf. univ. dr. Marian ENE