laporan praktikum modul f

20
LAPORAN PRAKTIKUM TA 4111 GEOFISIKA CEBAKAN MINERAL 2 MODUL F KONVERSI PEMBACAAN ALAT DAN PENGOLAHAN DATA ANOMALI GAY A BERAT Oleh: Hif!"l Fi#$i 12112%&' PROGRAM STUDI TEKNIK PERTAMBANGAN FAKULTAS TEKNIK PERTAMBANGAN DAN PERMINYAKAN INSTITUT TEKNOLOGI BANDUNG 2%1&

Upload: hifdzulfikri

Post on 13-Apr-2018

233 views

Category:

Documents


5 download

TRANSCRIPT

Page 1: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 1/20

LAPORAN PRAKTIKUM

TA4111 GEOFISIKA CEBAKAN MINERAL 2

MODUL F

KONVERSI PEMBACAAN ALAT DAN PENGOLAHAN DATA

ANOMALI GAYA BERAT

Oleh:

Hif!"l Fi#$i

12112%&'

PROGRAM STUDI TEKNIK PERTAMBANGAN

FAKULTAS TEKNIK PERTAMBANGAN DAN PERMINYAKAN

INSTITUT TEKNOLOGI BANDUNG

2%1&

Page 2: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 2/20

1( T")"*+ P$*#,i#"-

T")"*+ .** .$*#,i#"- #*li i+i **l*h /e0**i 0e$i#",:

Me+hi,"+ #$e#/i *,* *3* 0e$*, /ehi+* i.e$leh +il*i *+-*li

B""e$

Mel*#"#*+ .e+l*h*+ *,* *+-*li /ehi+* i.e$leh +il*i *+-*li

$e/i"*l *+

Mel*#"#*+ .e-el*+ 2D *,* *+-*li $e/i"*l(

2( Te$i D*/*$ 

Me,e *3* 0e$*, -e$".*#*+ -e,e efi/i#* 3*+ i*/*$#*+ .**

 .e+"#"$*+ 5*$i*/i -e*+ $*5i,*/i 0"-i( Pe+"#"$*+ i+i *.*, il*#"#*+

i.e$-"#**+ 0"-i i#*.*l -*"."+ i"*$*( D*l*- -e,e i+i 3*+ i.el*)*$i

**l*h 5*$i*/i -e*+ $*5i,*/i *#i0*, 5*$i*/i $*.*, -*//* 0*,"*+ i0*6*h

 .e$-"#**+ /ehi+* *l*- .el*#/*+**+3* 3*+ i/elii#i **l*h .e$0e**+

-e*+ $*5i,*/i *$i /*," ,i,i# 0/e$5*/i ,e$h**. ,i,i# 0/e$5*/i l*i++3*( K*$e+*

 .e$0e**+ -e*+ $*5i,*/i i+i $el*,if #e7il -*#* *l*, 3*+ i"+*#*+ h*$"/

-e-."+3*i #e,eli,i*+ 3*+ ,i+i( Me,e i+i "-"-+3* i"+*#*+ *l*-

e#/.l$*/i -i+3*# "+,"# -e+e-"#*+ /,$"#,"$ 3*+ -e$".*#*+ )e0*#*+ -i+3*# 

8il ,$*.9 *+ i#e+*l /e0**i -e,e *6*l /**, *#*+ -el*#"#*+ e#/.l$*/i

*e$*h 3*+ 0e$.,e+/i hi$#*$0+( Di/*-.i+ i," -e,e i+i )"* 0*+3*# 

i.*#*i *l*- e#/.l$*/i -i+e$*l *+ l*i+l*i+( Me/#i."+ *.*, i.e$*/i#*+

*l*- 0e$0**i -*7*- h*l ,e,*.i .** .$i+/i.+3* -e,e i+i i.ilih #*$e+*

#e-*-."*++3* *l*- -e-0e*#*+ $*.*, -*//* /"*," -*,e$i*l ,e$h**.

li+#"+*+ /e#i,*$+3*( De+*+ e-i#i*+ /,$"#,"$ 0*6*h .e$-"#**+ *.*,

i#e,*h"i( Pe+e,*h"*+ ,e+,*+ /,$"#,"$ 0*6*h .e$-"#**+ i+i .e+,i+ "+,"# 

 .e$e+7*+**+ l*+#*hl*+#*h e#/.l$*/i 0*i# i," -i+3*# -*"."+ -i+e$*l

l*i++3*( E#/.l$*/i -e,e i+i il*#"#*+ *l*- 0e+,"# #i/i *,*" li+,*/*+

 .e+*-.*+(

Page 3: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 3/20

Gravitimeter La Coste Romberg 

H*l .e+,i+ 3*+ .e$l" i.e$h*,i#*+ **l*h -el*#"#*+ #*li0$*/i *l*, *+

-e+e+,"#*+ ,i,i# *7"*+ 80*/e /,*,i+9 /e0el"- -el*#"#*+ .e+*-0il*+ *,*

*3*0e$*, i ,i,i#,i,i# "#"$ l*i++3*( Me+7*$i 0e/*$+3* h*$* -e*+ $*5i,*/i

/"*," 0*/e /,*,i+ 8,i,i# i#*,9 .e+"#"$*+ *.*, il*#"#*+ e+*+ .e$/*-**+ :

 0/ ; $ef  < 8  .e-0*7**+ 0/ <  .e-0*7**+ $ef  9

 0/ ; h*$* -e*+ $*5i,*/i 0*/e /,*,i+$ef  ; h*$* -e*+ $*5i,*/i ,i,i# $efe$e+/i

 .e-0*7**+ 0/ ; h*$* .e-0*7**+ $*5i,*/i i 0*/e /,*,i+

 .e-0*7**+ $ef  ; h*$* .e-0*7**+ $*5i,*/i i ,i,i# $efe$e+/i

Pe-$/e/*+ *,* *3* 0e$*, 3*+ /e$i+ i/e0", )"* e+*+ $e"#/i

*,* *3* 0e$*, /e7*$* "-"- *.*, i.i/*h#*+ -e+)*i "* -*7*- 3*i,":

 .$/e/ */*$ *+ .$/e/ l*+)",*+( P$/e/ */*$ -e+7*#". /el"$"h .$/e/ 0e$*6*l

*$i +il*i .e-0*7**+ *l*, i l*.*+*+ /*-.*i i.e$leh +il*i *+-*li B""e$ 

i /e,i*. ,i,i# .e+*-*,*+(

P$/e/ ,e$/e0", -eli.",i ,*h*.,*h*. /e0**i 0e$i#",: #+5e$/i

 .e-0*7**+ $*5i,3-e,e$ #e +il*i -ili*l #$e#/i *."+*+ 8drift correction9

#$e#/i .*/*+ /"$", 8tidal correction9 #$e#/i li+,*+ 8latitude correction9

#$e#/i "*$* 0e0*/ 8 free-air correction9 #$e#/i B""e$ 8/*-.*i .** ,*h*.

Page 4: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 4/20

i+i i.e$leh +il*i *+-*li B""e$ See$h*+* 8ABS9 .** ,.$*fi(9 *+

#$e#/i -e*+ 8terrain correction9( M*7*--*7*- #$e#/i 3*+ il*#"#*+

**l*h:

*( K+5e$/i *l*,

K$e#/i 0*7* *l*, **l*h #$e#/i 3*+ il*#"#*+ *.*0il* ,e$)*i #e/*l*h*+

*l*- .e-0*7***+ *l*, $*5i,*/i 3*+ i"+*#*+( R"-"/ "-"- *l*-

 .e-0*7**+ *l*, *.*, i,"li/ /e0**i 0e$i#", :

 Read(mGal)=(( Read(scale) – Interval) xCounterRead )+Value∈mGal

 0( K$e#/i .*/*+ /"$", 8tide correction9

K$e#/i i+i il*#"#*+ "+,"# -e+hil*+#*+ .e+*$"h $*5i,*/i 0e+*

 0e+* i l"*$ 0"-i /e.e$,i 0"l*+ *+ -*,*h*$i 3*+ 0e$"0*h ,e$h**.

li+,*+ *+ 6*#,"( U+,"# -e+*.*,#*+ +il*i .*/*+ /"$", i+i -*#*

ilih*,l*h .e$0e**+ +il*i $*5i,*/i /,*/i"+ *$i 6*#," #e 6*#," ,e$h**.

 0*/e( G$*5i,*/i ,e$#$e#/i ,i*l *.*, i,"li/ /e0**i 0e$i#",:

i-*+*:

7( K$e#/i *."+*+ 8drift correction9

K$e#/i *."+*+ *#i0*, **+3* .e$0e**+ .e-0*7**+ $*5i,*/i *$i

/,*/i"+ 3*+ /*-* .** 6*#," 3*+ 0e$0e* 3*+ i/e0*0#*+ #*$e+*

**+3* "+7*+*+ .e*/ *l*, $*5i-e,e$ /el*-* .$/e/ ,$*+/.$,*/i *$i

/"*," /,*/i"+ #e /,*/i"+ l*i++3*(

Page 5: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 5/20

dimana:

Sehi+* *.*, i#*,*#*+ 0*h6* $*5i,*/i ,e$#$e#/i drift  8/,9 **l*h :

i-*+*:/,8+9 ; $*5i,*/i ,e$#$e#/i $if, .** /,*/i"+ #e = +

/,8+9 ; $*5i,*/i ,e$#$e#/i ,i*l .** /,*/i"+ #e = +

( K$e#/i li+,*+

K$e#/i i+i il*#"#*+ #*$e+* 0e+,"# 0"-i 3*+ ,i*# /e.e+"h+3* 0"l*,

/e-."$+* ,e,*.i .e.*, .** *e$*h e#"*,$ *+ )"* #*$e+* $,*/i 0"-i(

H*l ,e$/e0", -e-0"*, ** .e$0e**+ +il*i $*5i,*/i #*$e+* .e+*$"hli+,*+ 3*+ ** i 0"-i( Se7*$* "-"- $*5i,*/i ,e$#$e#/i li+,*+ *.*,

i,"li/ /e0**i 0e$i#",:

e( K$e#/i "*$* 0e0*/ 8 free-air correction9

K$e#/i i+i il*#"#*+ "+,"# -e+#-.e+/*/i #e,i+i*+ *+,*$* ,i,i# 

 .e+*-*,*+ *+ *,"- 8mean sea level 9( K$e#/i i+i *.*, i,"li/ /e0**i

 0e$i#",:

Page 6: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 6/20

i-*+* :

f( K$e#/i 0""e$ 

K$e#/i 0"e$ il*#"#*+ "+,"# -e+#-.e+/*/i .e+*$"h -*//* 0*,"*+

,e$*.*, *+,*$* /,*/i"+ .e+"#"$*+ *+ mean sea level   3*+ i*0*i#*+

 .** #$e#/i "*$* 0e0*/( K$e#/i i+i *.*, i,"li/ /e0**i 0e$i#",:

( K$e#/i -e*+ 8terrain correction9

K$e#/i -e*+ -e+*#-i$ #e,i*#,e$*,"$*+ .** ,.$*fi /e#i,*$ ,i,i# .e+"#"$*+( P** /**, .e+"#"$*+ ele5*/i ,.$*fi i /e#i,*$ ,i,i# 

 .e+"#"$*+ 0i*/*+3* *l*- $*i"/ *l*- *+ l"*$ i"#"$ ele5*/i+3*(

Sehi+* #$e#/i i+i *.*, i,"li/ /e0**i 0e$i#",:

h( Pe-i/*h*+ *+-*li l#*l 8$e/i"*l9 *+ $ei+*l

Page 7: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 7/20

A+-*li *3* 0e$*, B""e$ 3*+ ,e$"#"$ i .e$-"#**+ -e$".*#*+

 .e+)"-l*h*+ 8/".e$./i/i9 *$i 0e$0**i -*7*- /"-0e$ *+ #e*l*-*+

*+-*li i 0*6*h .e$-"#***+( D*$i 0e$0**i /"-0e$ ,e$/e0", /*l*h

/*,"+3* -e$".*#*+ target event  "+,"# i.i/*h#*+ 0*i# 3*+ 0e$** i

!+* *+#*l 8$e/i"*l9 *,*"."+ !+* *l*- 8$ei+*l9( A* 0e0e$*.*

-e,e .e-i/*h*+ *+-*li $e/i"*l e+*+ $ei+*l /e.e$,i -e,e

 .e$*,*$*,**+ 0e$e$*# 8moving average9 .li+-i*l *+ second vertical 

derivative(

>( P$/e"$ P$*#,i#"-

Kei*,*+ .** -"l F -eli.",i:

Me$"0*h .e-0*7**+ *l*, #e*l*- mgal  e+*+ ,*0el

Me+hi,"+ #$e#/i .*/*+ /"$", #$e#/i *."+*+ *l*, #$e#/i

 0""e$ #$e#/i "*$* 0e0*/ #$e#/i li+,*+ *+ #$e#/i ,.$*fi

"+,"# -e+e+,"#*+ *+-*li B""e$

Me+e+,"#*+ *+-*li $ei+*l *+ *+-*li $e/i"*l /e7*$* $*fi/

Me-0"*, -el /ee$h*+* *$i .e+*-.*+ *+-*li(

P$/e"$ .e+e+,"*+ *+-*li 0""e$ .** /e,i*. ,i,i# .e+*-*,*+ *3* 0e$*,

3*i,":

K+5e$/i#*+ +il*i 0*7**+ *l*, #e*l*- -*l e+*+ 0*+,"*+ ,*0el I?

 .** -"l .$*#,i#"-

Te+,"#*+ #$e#/i .*/*+ /"$", *$i ,*0el VII

Te+,"#*+ #$e#/i *."+*+ *l*, *$i +il*i /e,el*h i#$e#/i ,e$h**.

 .*/*+ /"$", Hi,"+ +il*i *3* 0e$*, e+*+ -e+#$e#/i+3* ,e$h**. #$e#/i .*/*+

/"$", *+ *."+*+ *l*, Te+,"#*+ @ e+*+ -e+"$*+#*+ +il*i ,e$#$e#/i .** ,i,i# .e+*-*,*+

e+*+ +il*i ,e$#$e#/i .** 0*/e

Te+,"#*+ 0/ e+*+ -e+*7" .** +il*i $efe$e+/i

Te+,"#*+ #$e#/i *0"+*+ *+ #$e#/i ,.$*fi

Hi,"+ *+-*li B""e$(

Page 8: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 8/20

4( D*,* *+ Pe+l*h*+ D*,*

&(Be$i#", i+i -e$".*#*+ *,* 3*+ ** .** .e$70**+ #*li i+i:

Page 9: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 9/20

(

(Be$*/*$#*+ *,* ,e$/e0", #e-"i*+ il*#"#*+ .e+l*h*+ *,* e+*+ $"-"/:

Page 10: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 10/20

K+5e$/i

o #+5e$/i ; 0*7**+ *7"*+ -G*l< 880*7**+ *l*, = 0*7**+ *7"*+9 f*#,$ /#*l*9 -G*l

K$e#/i P*/*+ S"$",

o  .*/", ; #+5e$/i < K$e#/i P*/",

K$e#/i Drift 

o  drift =

g pasut − N −g pasut −t 

t  N −t t (t i−t t )

o  g corr  = g  pasut  - drift 

Pe$hi,"+*+ @

o @ ; 7$$8i9 = 7$$80*/e9

Pe$hi,"+*+ 0/

o  g obs = g base(true) + ∆g 

Pe$hi,"+*+

o  g Φ = g  (! + " ! sin#Φ +" # sin##Φ) mGal 

o i-*+* % ; '%>1' -G*l

o # 1 ; %%%&>%2>41

o # 2 ; %%%%%%&21

Pe$hi,"+*+ K$e#/i G*0"+*+

o Comb$Corr = %&' (%*!' ,)

Pe+e+,"*+ A+-*li B""e$ 8BA9

o  ./ = gobs - g Φ + Comb$ Corr + 0err$ Corr 

'(Ke-"i*+ i.e$leh h*/il /e0**i 0e$i#",:

Page 11: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 11/20

(

Page 12: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 12/20

1%( Ke-"i*+ i.e$leh $*fi# *+-*li B""e$ /e0**i 0e$i#",:

Page 13: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 13/20

11(

12( Be$*/*$*#*+ $*fi# i*,*/ *.*, ,e$lih*, *$i $*fi# 0*h6* *+-*li

$ei+*l **l*h #"$5* 0e$".* .li+-i*l e+*+ .e$/*-**+ /e0**i 0e$i#",:

1>(   y=−0.000146 x2+0.054169 x+32.241407

14( U+,"# -e+7*$i *+-*li /i/* *.*, i"+*#*+ $"-"/ i0*6*h i+i

1&( A+-*li B""e$ ; A+-*li Rei+*l < A+-*li Re/i"*l

1( M*#* i.e$leh ,*0el *+ $*fi# /e0**i 0e$i#",:

1(

Page 14: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 14/20

1'(

1(

2%( Ke-"i*+ il*#"#*+ .e-el*+ e+*.*+ 2D e+*+ /f,6*$e

GRAV2DC e+*+ l*+#*h .e+e$)**+ /e0**i 0e$i#",:

*l*+#*+ Sf,6*$e G$*52DC( Sf,6*$e *.*, i)*l*+#*+ i i+6/ '(

Ke-"i*+ .ilih s1stem option l*l" #li# 0ei+ * +e6 -el(

Page 15: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 15/20

P** -e+" -el .*$*-e,e$ "0*h "+i, /*,"*++3* *$i #- #e -e,e$(

21(

Ke-"i*+ -*/"#*+ file e+*+ f$-*, (,* 3*+ 0e$i/i#*+ *,**,*

*+-*li 3*+ *#*+ ii+,e$.$e,*/i 8+*-* file: D*,*GRAV2DC(,*9 Ke-"i*+ l*#"#*+ i+,e$.$e,*/i 0e+,"# *+-*li 0e$*/*$#*+ $*fi# 3*+

-"+7"l .** /f,6*$e G$*52DC(

22( H*/il .e+l*h*+ *,* *+-*li l#*l 3*+ ** 3*i,":

2>(

24( D*+ il*+)",#*+ e+*+ .e-el*+ e+*.*+ /e.e$,i *-0*$ i0*6*h

i+i(

Page 16: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 16/20

2&(

2( Be$*/*$#*+ *-0*$ i*,*/ -*#* $e#*.i,"l*/i *,* 3*+ ** 3*i,":

2(

2'(A+*li/i/

2( A+*li/i/ il*#"#*+ .** "* .e-el*+ 3*+ i#e$)*#*+( Y*+

 .e$,*-* **l*h -el .e+*-.*+ *+ 3*+ #e"* **l*h -el GRAV2DC(

Mel Pe+*-.*+

Page 17: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 17/20

>%( D*l*- .$/e/ i+i -eli.",i ,*h*.,*h*. /e0**i 0e$i#",: #+5e$/i

 .e-0*7**+ $*5i,3-e,e$ #e +il*i -ili*l #$e#/i *."+*+ 8drift 

correction9 #$e#/i .*/*+ /"$", 8tidal correction9 #$e#/i li+,*+

8latitude correction9 #$e#/i "*$* 0e0*/ 8 free-air correction9 #$e#/i

B""e$ *+ #$e#/i -e*+ 8terrain correction9( D*+ *$i h*/il #$e#/i

,e$/e0", -*#* i.e$leh .e$/*-**+ .li+-i*l $e 2 /e0**i 0e$i#",:

>1(   y=−0.000146 x2+0.054169 x+32.241407

>2( D*$i .e$/*-**+ ,e$/e0", /e,el*h il*#"#*+ .e$hi,"+*+ +il*i *3*

 0e$*, i /e,i*. ,i,i# .e+"#"$*+ /*3* -e+*+*li/i/ 0*h6* .$fil *+-*li

l#*l ,e$lih*, 0*h6* .** li+,*/*+ .e+"#"$*+ 0e$)*$*# 2% = 1% -e,e$ 

,e$*.*, +il*i *3* 0e$*, ,i+i /e*+#*+ 1'% *+ 24% -e,e$ 

-e+"+)"##*+ +il*i *3* 0e$*, +e*,if *+ +*i# l*i .** 2% = >4% -e/#i

-e-ili#i ,$e+ 3*+ -e+"$"+( Mel*l"i +il*i 3*+ ** ,e$lih*, 0*h6*

,e$*.*, i+,$"/i -*/if 0*,"*+ 0e#" .** 2% = 1% -e,e$ *+ 2% = >4%

-e,e$ /e*+#*+ i7"$i*i ** /e/*$ .** )*$*# 1'% *+ 24% -e,e$(

Mel GRAV2DC

>>( D*$i h*/il i+,e$.$e,*/i -el eli -e+"+*#*+ /f,6*$e

G$*52DC i.e$leh 0e$0**i -*7*- 0e+,"# -el eli( Te$lih*, *$i

-el eli 3*+ i.e$leh .e+3e0*0 *+-*li ,e$/e0", 0e$i$i /e+i$i

*+ ,i*# ** h"0"+*+ *,*" #e-e+e$"/*+ *+,*$ -el eli( H*l i+i

i#*$e+*#*+ **+3* $+* e+*+ +il*i e+/i,*/ i 0*6*h 1 $7- > *+

 0*,"*+ 0e#" 3*+ $el*,if -*/if e+*+ $e+,*+ 1 = 1 $7->( Mel

e+*.*+ 3*+ i.e$leh $el*,if e#*, e+*+ .e$-"#**+ 3*i," i*+,*$* 1%

/*-.*i >% -e,e$( D*+ **+3* #e-"+#i+*+ #e/*l*h*+ *l*- i+,e$.$e,*/i

eli e+*.*+ i 6il*3*h ,e$/e0", i#*$e+*#*+ **+3* +il*i -*//* )e+i/

e+*.*+ 3*+ /*+*, 0e/*$ *+ +il*i ,e$/e0", /*+*, ,i*# /e/"*i e+*+

Page 18: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 18/20

$efe$e+/i 3*+ **( Sel*i+ i," ii+,e$.$e,*/i#*+ **+3* /e/*$ .** +il*i

*+-*li 3*+ /*+*, #e7il ,e$/e0",(

>4( A*$ i.e$leh h*/il i+,e$.$e,*/i 3*+ le0ih ,e.*, *+ *#"$*,

#i,* h*$"/ -e+e,*h"i *+ -e-.el*)*$i .e,* eli $ei+*l .** *e$*h

,e$/e0", 3*+ ,")"*+++3* "+,"# -e-"*h#*+ *l*- i+,e$.$e,*/i

#e-e+e$"/*+ l*.i/*+ 0*,"*+( Sel*i+ i," )"* -e,e *3* 0e$*, i+i 0*i# 

i"+*#*+ "+,"# i+,e$.$e,*/i 0*,"*+ .** *e$*h 3*+ $el*,if *+#*l *$i

 .e$-"#**+( Oleh #*$e+* i," -e,e *3* 0e$*, 0i*/*+3* i)*i#*+ *,*

 .e+"+)*+ .** -e,e e-*+e,i# *,*" /e0**i -e,e "+,"# 

-e+e-"#*+ $e/e$5i$ .** .*+*/ 0"-i /e0el"- -e+"+*#*+ -e,e

e-*+e,i#( Sehi+* -e,e *3* 0e$*, *+ -e,e e-*+e,i# *.*,

i"+*#*+ /e7*$* 0e$/*-*/*-* "+,"# -e+h*/il#*+ *,* 3*+ le0ih

*#"$*,(

>&(Ke/i-."l*+

A+-*li B""e$ 3*+ i.e$leh .** .e$70**+ #*li i+i 3*i,":

Page 19: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 19/20

>(

 Nil*i *+-*li $e/i"*l 3*+ i.e$leh **l*h /e0**i 0e$i#",:

>(

Pe-el*+ 2D *,* *+-*l3 $e/i"*l 3*+ ih*/il#*+ **l*h:

Page 20: Laporan Praktikum Modul F

7/26/2019 Laporan Praktikum Modul F

http://slidepdf.com/reader/full/laporan-praktikum-modul-f 20/20

>'(

>(D*f,*$ P"/,*#*

S"li/,i) B"i D*$-*6*+ S"-*$i M( N"$ He$i*6*+ Y*+* R*h-*, Ri3*+,(

2%%2( Catatan 2ulia 0/ *! Geofisi"a Ceba"an 3ineral 44 ( B*+"+:

Pe+e$0i, ITB(

Telf$ M(( e, *l( 1(  /pplied Geop1sic 5econd 6dition$  C*-0$ie

U+i5e$/i,3 P$e//(