7/23/2019 Geologi: Struktur Bumi
1/10
JKQK HRDLKG MBODOML AKPKY
Aosbe Jktk Hudlkg>
Ars. Ekgor J. Pljkeuemhkdlt, J.Pl
Alsusue Odbg>
Oswkda Ybyegkra Pltkemmkem
NRYRPKE SBEALALHKE MBOMYKFL
FKHRDQKP LDJR POPLKD
RELVBYPLQKP EBMBYL JBAKE
93;;
7/23/2019 Geologi: Struktur Bumi
2/10
SBEAKGRDRKE
Iujl tbdkg tbribetuh sbhltkr 1,6 jldykr tkgue ykem dkdu. Iujl jbrupkhke pdkebt
abemke urutke hbtlmk akrl sbjildke pdkebt ykem abhkt abemke jktkgkrl. Nkrkh iujl abemke
jktkgkrl sbhltkr ;23 nutk hj, ibribetuh iudkt abemke rkalus 6.0=3 hj. Iujl jbrupkhkesktu-sktueyk pdkebt ykem akpkt alguel odbg ibrikmkl nbels jkgduh glaup. Pbhltkr 0,2 Jldykr
Qkgue ykem dkdu judkl jue`ud jkgduh-jkgduh glaup ykem glaup al iujl, jkgduh ykem
pbrtkjk hkdl jue`ud kakdkg ibribetuh sbd Jlhroshopls. Pbtbdkg ltu jue`uddkg jkgduh glaup
dkle sbpbrtl Gbwke, tujiugke ake Jkeuslk. Hbjualke Sbrjuhkke iujl tbralrl akrl akrktke
ake dkutke.
Iujl alpbrhlrkhke tbrsusue ktksletl akdkj iujl ykem tbralrl akrlibslelhbdibhu
sbtbikd ;.0=3 hldojbtbr abemkesugu 1.233 @, alsbdljutl pudk odbgletl dukr ykem ibrslfkt `klr
sbtbikd 9.;33 hldojbtbr, dkdu alsbdljutl pudk odbg jketbdsldlhk sbtbikd 9.733 hldojbtbr
jbjibetuh 70% lsl iujl ake khglreyk sbhkdl alsbdljutl odbghbrkh iujl sbtbikd hurkem
dbilg 72 hldojbtbr.
Hbrkh Iujl dbilg tlpls al akskrdkut ykltu sbhltkr 2 hldojbtbr. Hbrkh iujl tbrikml hbpkak
ibibrkpk ikmlke ake ibrmbrkh jbdkdul pbrmbrkhketbhtoelh dbjpbem ykem
jbemgksldhkembjpk iujl.
Akdkj Jkhkdkg Lel khke alnbdkshke jbembekl dkplske-dkplske Iujl ykem tbralrl akrl
sbikmkl Ibrlhut>
;. Ktjosfbr9. Hbrkh Iujl0. Jketbd Iujl1. Letl Iujl
http://id.wikipedia.org/w/index.php?title=Inti_dalam_bumi&action=edit&redlink=1http://id.wikipedia.org/wiki/Besihttp://id.wikipedia.org/wiki/Nikelhttp://id.wikipedia.org/wiki/Suhuhttp://id.wikipedia.org/w/index.php?title=Inti_luar&action=edit&redlink=1http://id.wikipedia.org/w/index.php?title=Silika&action=edit&redlink=1http://id.wikipedia.org/wiki/Kerak_bumihttp://id.wikipedia.org/wiki/Lauthttp://id.wikipedia.org/wiki/Tektonik_lempenghttp://id.wikipedia.org/wiki/Gempa_bumihttp://id.wikipedia.org/wiki/Gempa_bumihttp://id.wikipedia.org/wiki/Tektonik_lempenghttp://id.wikipedia.org/wiki/Lauthttp://id.wikipedia.org/wiki/Kerak_bumihttp://id.wikipedia.org/w/index.php?title=Silika&action=edit&redlink=1http://id.wikipedia.org/w/index.php?title=Inti_luar&action=edit&redlink=1http://id.wikipedia.org/wiki/Suhuhttp://id.wikipedia.org/wiki/Nikelhttp://id.wikipedia.org/wiki/Besihttp://id.wikipedia.org/w/index.php?title=Inti_dalam_bumi&action=edit&redlink=17/23/2019 Geologi: Struktur Bumi
3/10
PQYRHQRY IRJL
Iujl tbdkg tbribetuh sbhltkr 1,6 jldykr tkgue ykem dkdu. Iujl jbrupkhke pdkebt
abemke urutke hbtlmk akrl sbjildke pdkebt ykem abhkt abemke jktkgkrl. Nkrkh iujl abemke
jktkgkrl sbhltkr ;23 nutk hj, ibribetuh iudkt abemke rkalus 6.0=3 hj. Iujl jbrupkhke
sktu-sktueyk pdkebt ykem akpkt alguel odbg ibrikmkl nbels jkgduh glaup. Pbhltkr 0,2 Jldykr
Qkgue ykem dkdu judkl jue`ud jkgduh-jkgduh glaup ykem glaup al iujl, jkgduh ykem
pbrtkjk hkdl jue`ud kakdkg ibribetuh sbd Jlhroshopls. Pbtbdkg ltu jue`uddkg jkgduh glaup
dkle sbpbrtl Gbwke, tujiugke ake Jkeuslk. Hbjualke Sbrjuhkke iujl tbralrl akrl akrktke
ake dkutke.
Iujl alpbrhlrkhke tbrsusue ktksLetl akdkj Iujl ykem tbralrl akrl>
;. IbslElhbd Ibhu sbtbikd ;.0=3 hldojbtbr abemkesugu 1.233 @.9. Letl Dukr ykem ibrslfkt `klr sbtbikd 9.;33 hldojbtbr.0. Alsbdljutl pudk odbg jketbdsldlhk sbtbikd 9.733 hldojbtbr jbjibetuh 70% lsl
Iujl
1. ake alsbdljutl odbghbrkh iujl sbtbikd 72 Hj.Hbrkh iujl dbilg tlpls al akskrdkut ykltu sbhltkr 2 hldojbtbr. Hbrkh iujl tbrikml
hbpkak ibibrkpk ikmlke ake ibrmbrkh jbdkdul pbrmbrkhketbhtoelh dbjpbem (tborl @oetlebetkd
Arlft)ykem jbemgksldhkembjpk iujl.
Ikeykh Qborl jbembekl Ptruhtur ktku Pusueke Iujl, Ibrlhut ibibrkpk Qborl-tborl
pkrk kgdl jbembekl Ptruhtur ktku Pusueke Iujl>
;. SDKQOKgdl fldskfkt lel ibrpbeakpkt ikgwk iujl ltu tbralrl akrl sbiukg jkssk ykem `klr ake
alhbdldleml odbg dkplske iktuke ktku hbrkh Iujl
9. HKEQ DKSDK@BJbemktkhke ikgwk Iujl lel sbdkjk ibrjldlkr tkgue ykem dkdu aldbpkshke akrl
jktkgkrl akdkj ibetuh iodk mks ykem plnkr, ykem dkjikt dkue jbealemle ake
jbjibetuh hbrkh iktuke. Ikmlke akdkj iujl jkslg jbrupkhke zkt ykem `klr plnkr.
http://id.wikipedia.org/w/index.php?title=Inti_dalam_bumi&action=edit&redlink=1http://id.wikipedia.org/wiki/Besihttp://id.wikipedia.org/wiki/Nikelhttp://id.wikipedia.org/wiki/Suhuhttp://id.wikipedia.org/w/index.php?title=Inti_luar&action=edit&redlink=1http://id.wikipedia.org/w/index.php?title=Silika&action=edit&redlink=1http://id.wikipedia.org/wiki/Kerak_bumihttp://id.wikipedia.org/wiki/Kerak_bumihttp://id.wikipedia.org/wiki/Lauthttp://id.wikipedia.org/wiki/Tektonik_lempenghttp://id.wikipedia.org/wiki/Teori_Continental_Drifthttp://id.wikipedia.org/wiki/Teori_Continental_Drifthttp://id.wikipedia.org/wiki/Gempa_bumihttp://id.wikipedia.org/wiki/Gempa_bumihttp://id.wikipedia.org/wiki/Teori_Continental_Drifthttp://id.wikipedia.org/wiki/Teori_Continental_Drifthttp://id.wikipedia.org/wiki/Tektonik_lempenghttp://id.wikipedia.org/wiki/Lauthttp://id.wikipedia.org/wiki/Kerak_bumihttp://id.wikipedia.org/wiki/Kerak_bumihttp://id.wikipedia.org/w/index.php?title=Silika&action=edit&redlink=1http://id.wikipedia.org/w/index.php?title=Inti_luar&action=edit&redlink=1http://id.wikipedia.org/wiki/Suhuhttp://id.wikipedia.org/wiki/Nikelhttp://id.wikipedia.org/wiki/Besihttp://id.wikipedia.org/w/index.php?title=Inti_dalam_bumi&action=edit&redlink=17/23/2019 Geologi: Struktur Bumi
4/10
Pb`krk Ptruhtur dkplske Iujl tbrikml jbenkal ibibrkpk ikmlke, ykltu sbikmkl ibrlhut>
;. KtjosfbrKtjosfbr kakdkg Ptruhtur Iujl pkdlem ktks ake dkplske uakrk ykem jbeybdljutl iujl
sb`krk jbeybdurug abemke hbtbikdke dbilg akrl 623 hj. Mbrkhke uakrk akdkj ktjosfbr
tbrnkal tbrutkjk hkrbek kakeyk pbemkrug pbjkekske slekr jktkgkrl sbrtk pbrputkrke
iujl. Sbrputkrke iujl lel khke jbemkhlikthke ibrmbrkheyk jksk uakrk, sbglemmk tbrnkaldkg
pbribakke tbhkeke uakrk al ibrikmkl tbjpkt al akdkj ktjosfbr ykem akpkt jbeljiudhke krus
kemle.
Mks ykem tbrhkeauem akdkj Dkplske Ktjosfbr kakdkg
k. eltrombe (E9) sbikeykh =7,37%,i. ohslmbe (O9) sbikeykh 93,
7/23/2019 Geologi: Struktur Bumi
5/10
Ibrakskrhke Sbribakke sugu vbrtlhkd, ktjosfbr iujl akpkt alikml jbenkal dljk
dkplske, ykltu>
k. QroposfbrDkplske lel jbrupkhke dkplske ykem pkdlem ikwkg, ibrkak ketkrk pbrjuhkke iujl
skjpkl pkak hbtlemmlke 7 hj pkak poslsl hutui ake ;7 ;< hj pkak akbrkg bhuktor. Skak
dkplske lel sugu uakrk khke jbeurue abemke ibrtkjikgeyk hbtlemmlke. Pbtlkp hbeklhke ;33
jbtbr tbjpbrktureyk turue turue 3,2 o@. Dkplske lel alkemmkp sbikmkl ikmlke ktjosfbr ykem
pkdlem pbetlem, hkrbek ibrguiuemke dkemsuem abemke pbrjuhkke iujl ykem jbrupkhke
gkiltkt akrl ibrikmkl nbels jkgduh glaup tbrjksuh jkeuslk, sbrtk hkrbek sbikmkle ibskr
alekjlhk lhdlj ibrdkemsuem pkak dkplske troposfbr.
Pusueke hljlk uakrk troposfbr tbralrl akrl =7,30% eltromre, 93,
7/23/2019 Geologi: Struktur Bumi
6/10
Pbrkpke rkalksl jktkgkrl odbg ozoe ake ibibrkpk mks ktjosfbr dkleeyk jbeybikihke sugu
uakrk pkak dkplske strktosfbr jbelemhkt. Dkplskestrktosfbr tlakh jbemkeauem ukp klr,
sbglemmk dkplske lel gkeyk jbemkeauem uakrk hbrlem. Iktks dkplske strktosfbr alsbiut
strktopousb.
`. JbsosfbrJbsosfbr tbrdbtkh al ktks strktosfbr pkak hbtlemmlke 23 =3 hj. Pugu al dkplske lel
khke jbeurue sblrlem abemke jbelemhkteyk hbtlemmlke. Pugueyk judk-judk eklh, tbtkpl
hbjualke turue ake jbe`kpkl -=9 o@ al hbtlemmlke =2 hj. Pugu tbrbeakg tbruhur pkak
hbtlemmlke ketkrk 73;33 hj ykem jbrupkhke iktks abemke dkplske ktjosfbr ibrlhuteyk,
ykhel dkplske jbsosfbr. Akbrkg trkeslsl ketkrk dkplske jbsosfbr ake tbrjosfbr alsbiut
jbsopousb abemke sugu tbrbeakg - ;;3o @ .
a. QbrjosfbrIbrkak al ktks jbsopousb abemke hbtlemmlke sbhltkr =2 hj skjpkl pkak hbtlemmlke
sbhltkr 623 hj. Skak dkplske lel, mks-mks khke tbrloelsksl, odbg hkrbekeyk dkplske lel sbrlem
nuak alsbiut dkplske loeosfbr. Jodbhud ohslmbe khke tbrpb`kg jbenkal ohsbmbe ktojlh al
slel. Srosbs pbjb`kgke jodbhud ohslmbe ake mks-mks ktjosfbr dkleeyk khke jbemgksldhke
pkeks, ykem khke jbeybikihke jbelemhkteyk sugu pkak dkplske lel. Pugu pkak dkplske lel
khke jbelemhkt abemke jbelemhkheyk hbtlemmlke.
b. Bhosfbr ktku ktjosfbr dukrJbrupkhke dkplske ktjosfbr ykem pkdlem tlemml. Skak dkplske lel, hkeauemke mks-mks
ktjosfbr skemkt rbeakg. Iktks ketkrk bhosfbr (ykem pkak akskreyk numk kakdkg iktks
ktjosfbr) abemke kemhksk dukr tlakh nbdks. Akbrkg ykem jkslg tbrjksuh bhosfbr kakdkg
akbrkg ykem jkslg akpkt alpbemkrugl akyk mrkvltksl iujl. Mkrls ljknlebr ykem jbjiktksl
bhosfbr abemke kemhksk dukr alsbiut jkmebtopkusb.
7/23/2019 Geologi: Struktur Bumi
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9. Hbrkh IujlHbrkh Iujl (@rust)Jbrupkhke hudlt iujl ikmlke dukr (pbrjuhkke iujl). Qbikd
dkplske hbrkh iujl jbe`kpkl =3 hj tkpl alikwkg dkutke sbhltkr 6 Hj ake jbrupkhke dkplske
iktuke ykem tbralrl akrl iktu-iktuke iksk ake jkskj. Dkplske lel jbenkal tbjpkt tlemmkd
ikml sbdurug jkgduh glaup. Pugu al ikmlke ikwkg hbrkh iujl jbe`kpkl ;.;33 o@. Dkplske
hbrkh iujl ake ikmlke al ikwkgeyk glemmk hbakdkjke ;33 hj alekjkhke dltosfbr. Hbrkh
Iujl jbe`khup 3,0=2% akrl jkssk Iujl.
Hbrkh Iujl alibakhke jbenkal 9 Nbels ykltu>
Hbrkh PkjuarkQbrsusue odbg jlebrkd ykem hkyk khke Pl, Fb, Jm ykem alsbiut sljk. Hbtbikdke hbrkh
skjuark ibrhlskr ketkrk 2-;2 hj abemke ibrkt nbels rktk-rktk 0 mj/``. Hbrkh skjuark
ilkskeyk alsbiut dkplske ikskdtls hkrbek iktuke pbeyusueeyk tbrutkjk ibrhojposlsl
ikskdt.
Hbrkh IbeukQbrsusue odbg jlebrkd ykem hkyk khke Pl ake Kd, odbg hkrbekeyk al sbiut slkd.
Hbtbikdke hbrkh ibeuk ibrhlskr ketkrk 03-73 hj (@oealb ;
7/23/2019 Geologi: Struktur Bumi
8/10
1. Letl IujlAlpuskt Iujl tbrakpkt Letl Iujl ktku struhtur Iujl ykem tbrdbtkh alikmlke ktku puskt
Iujl ykem ibrhbakdkjke 9
7/23/2019 Geologi: Struktur Bumi
9/10
HBPLJSRDKE
Iujl tbdkg tbribetuh sbhltkr 1,6 jldykr tkgue ykem dkdu. Iujl jbrupkhke pdkebt
abemke urutke hbtlmk akrl sbjildke pdkebt ykem abhkt abemke jktkgkrl. Nkrkh iujl abemke
jktkgkrl sbhltkr ;23 nutk hj, ibribetuh iudkt abemke rkalus 6.0=3 hj. Iujl hltk tbrsusue
ktku jbjldlhl struhtur dkplske judkl akrl Ktjosfbr, Hbrkh Iujl, Jketbd Iujl, ake Letl
Iujl. Pusueke ktku struhtur iujl tbrsbiut.
7/23/2019 Geologi: Struktur Bumi
10/10
AKFQKY SRPQKHK
Kgjka \kel, Jkjkt Yugljkt. 933=. Mbomrkfl. Ikeauem> Mrkfleao Jbalk Srktkjk
Ars. Ekgor J. Pljkeuemhkdlt, J.Pl. 93;;. Mbodoml Akskr. FLP RELJBA JBAKE
Dlbsak Euralkel Kaeke. 933=. Pkjuark Mbomrkfl. Nkhkrtk> SQ. Dbetbrk Kikal.