KEMENTERIAN RISET TEKNOLOGI DAN PENDIDIKAN TINGGI UNIVERSITAS TADULAKO FAKULTAS TEKNIK JURUSAN TEKNIK SIPIL PROGRAM STUDI S1 TEKNIK GEOLOGI
LAPORAN PRAKTIKUM SEDIMENTOLOGI Acara : Paleocurrent
DIBUAT OLE : NAMA
: A! NURUL NOVIA RAMANINGRUM
No! MS
: F 1"1 1# $##
KELOMPOK : "
TAUN "$1%
UNIVERSITAS TADULAKO FAKULTAS TEKNIK PROGRAM STUDI TEKNIK GEOLOGI
Nama : A Nurul Nurul No!ia R Nim : F "#" "$ %$$ Kel &Gel : #
Acara : Analisis Paleocurrent Da&ar Teor'
Penentu Penentuan an atau atau analisa analisa arus arus 'ur(a 'ur(a )a'at )a'at )ila*u* )ila*u*an an )en+an )en+an men++u men++una*a na*an n stru*t stru*tur ur se)imen *,ususn-a 'a)a stru*tur.stru*tur se)imen -an+ )a'at mem'erli,at*an in)i*asi ara, trans'ort se)imen/ (ai* (eru'a (i)an+ mau'un +aris 0e(era'a stru*tur terse(ut antaralain : 1ross (e))in+ Flute cast Groo!e cast Ri''le mar* 2asimetri3 Dll Dalam 'enentuan atau analisa arus 'ur(a )en+an men++una*an stru*tur se)imen )i atas ,arus mem'er,ati*an +eometri )ari stru*tur se)imen terse(ut (ai* (eru'a (i)an+ atau (eru'a +aris/ *arena ter)a'at 'er(e)aan *,as )alam cara 'enentuan ara, arus 'ur(an-a/ antara lain: " Pa)a stru*tur se)imen )en+an +eometri +aris/ ara, arus 'ur(a a*an seara, )en+an sum(u )ari stru*tur se)imen Stru*tur se)imen terse(ut antara lain: 4lute cast/ +roo!e cast/ )ll Menentu*an ara, arus 'ur(a )en+an stru*tur se)imen -an+ (er+eometri +aris 21onto, *asus )en+an men++una*an 4lute cast3: " Gam(ar*an *e)u)u*an (i)an+ )imana 4lute cast terse(ut ter)a'at # Gam(ar*an ara, (earin+ )ari 4lute cast 5 Men+,ori6ontal*an *e)u)u*an (i)an+ )en+an sum(u 'utarn-a 'a)a stri*e (i)an+ 'erla'isan terse(ut $ Tem'at*an Tem'at*an stri*e (i)an+ 'erla'isan 'a)a ara, utara.selatan stereonet 7 Pa)a Pa)a 'er'ot 'er'oton+a on+an n (earin (earin+ + 4lute 4lute cast cast )en+an )en+an (i)an+ (i)an+ 'erla' 'erla'isa isan n )i,u(un )i,u(un+*an +*an *e lin+*a lin+*aran ran 'rimi 'rimiti4 ti4 stereo stereonet net )en+an )en+an 8arin+ 8arin+.8 .8ari arin+ n+ *ecil *ecil Ara, Ara, arus arus 'ur(a 'ur(a a)ala, a)ala, 'er'oton+an antara lin+*aran 'rimiti4 )en+an 8arin+.8arin+ terse(ut )iu*ur )ari ara, utara stereonet se'an8an+ lin+*aran 'rimiti4
# Pa)a stru*tur se)imen )en+an +eometri (i)an+/ ara, arus 'ur(a a*an te+a* lurus 8urus )an seara, )en+an )i' 'erla'isan Stru*tur se)imen terse(ut antaralain : cross (e))in+/ri''le mar*/ )ll
Alat (an Ba)an
A Alat . Pen++aris . Pensil . 0usur . 9an+*a . Pensil arna . Pen8e'it & 'a*u 'a-un+
0 0a,an . Kertas *al*ir . Kertas stereonet
Soal 1! Stri*e )an )i' )ari 7 cross.(e) )i(eri*an )i(aa, ini/ )en+an re+ional (e))in+ Men++una*an
stereonet/ *em(ali*an 'osisi cross (e))in+ *e 'osisi aal Tilted
Restored
Set A N50°W, 62°NE Set B N79°W, 80°NE Set C N96°W, 59°NE Set D N56°E, 30°SE Set E N99°W, 32°NE
Regional strike an i! " N73°W, 50oNE
Lan*+a) Ker,a :
" Plot *e)u)u*an cross (e))in+ )en+an 'ro-e*si stereo+ra4i/ (ai* 'ro-e*si (i)an+ mau'un 'ro-e*si *utu(n-a # Plot *e)u)u*an (atu'asir 5 Untu* men+em(ali*an (i)an+ (atu'asir 'a)a 'osisi ,ori6ontal/ (i)an+ (atu'asir )i rotasi se(esar )i'n-a *e lin+*aran 'rimiti!e/ )en+an stri*e (atu'asir )item'at*an )i 'osisi NS 8arin+ stereo+ra4i $ Pa)a saat men+,orisontal*an (atu'asir/ ma*a cross (e))in+ a*an i*ut terotasi 2untu* mu)a,n-a +una*an 'ro-e*si titi*3 se'an8an+ lin+*aran *ecil )en+an ara, )an (esar -an+ sama )en+an )en+an rotasi )ari (atu'asir 7 Pro-e*si titi* cross (e))in+ setela, )irotasi )i tem'at*an se'an8an+ +aris timur (arat/ )an +am(ar*an 'ro-e*si (i)an+n-a ; Ara, arus 'ur(a se8a8ar )en+an ara, )i' )ari cross (e))in+ setela, terotasi
Jawaban : Tilted
Restored
Set A N50°W, 62°NE
N6°W, 2#°NE
Set B N79°W, 80°NE
N83°W, 30°NE
Set C N96°W, 59°NE
N$#7°W, 22°NE
Set D N56°E, 30°SE
N278°W, 72°NE
Set E N99°W, 32°NE
N2$9°W, 26°NE
Soal "!
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1atatan Asisten
Para4 Asisten
Tan++al
