petrografi lap3

8/18/2019 petrografi lap3

1/19

PRAKTIKUM PETROGRAFI

ACARA : Batuan Piroklastik NAMA: M. AHMAD

HARI/TGL: RABU, 3 Oktober 2!2 NIM : D"!! ! 2#$

Perbe%&r&' tot&( : #)

No. *r*t : !

No.+er&& : -T BP #"

e'% b&t*&' : B&t*&' Prok(&%tk

Ke0*0*k&' : 1), 1#4 , 2#

Ke'&5+&k&' Mkro%ko+%

6&r'& b&t*&' ' &0&(&7 or&'e, 8&r'& 'ko( %(&' or&'e ke&b*9&b*&',

tek%t*r +rok(&%tk k&%&r, *k*r&' 5'er&( ,$ 55 !," 55, be't*k b*tr

%*bro*'0e09ro*'0e0, ke5&% tert*t*+, %ort&% %e0&', ko5+o%% 5&ter&( ortok(&%,

tt&'9&*t, +(&ok(&%, 7or'b(e'0e, 0&' 5&%%& 0&%&r.

AA

Ortok(&%

Tt&'9A*t

Hor'b(e'0e

P(&ok(&%

M&%%& D&%&r

Ortok(&%

Tt&'9A*t

Hor'b(e'0e

P(&ok(&%

M&%%& D&%&r

PP

Nikol sejajar Nikol silang


2/19

De%kr+% 5&ter&(

Ortoklas ( (K,Na) AlSi3O8 )

6&r'& 'ko( %e;&;&r or&'e, 8&r'& 'ko( %(&' ke '


3/19

Per%e't&% M&ter&( :

N&5& 5'er&( I 1@ II 1@ III 1@ @ r&t&9r&t&Ortok(&%

Tt&'9A*t

Hor'b(e'0e

P(&ok(&%

M&%%& D&%&r

2

3#

!#

!

2

!#

$

!

!

2#

!#

3

2

!

2#

!","?

3#

!#

!

23,33

Nama Batuan : Cristal Tuf (Klasifkasi Pettijohn, 1975)

Petrogenesa :

P&0& +r&ktk*5 b&t*&' +rok(&%tk 0e'&' 'o5or %&5+e( -T BP #"

5e5(k ke'&5+&k&' 5kro%ko+% 0e'&' 8&r'& 'ko( %e;&;&r or&'e 0&' 8&r'&

'ko( %(&' &b*9&b*. Tek%t*r +&0& %&5+e( ter%eb*t &0&(&7 +rok(&%tk k&%&r. Be't*k

5&ter&('& &0&(&7 %*bro*'0e0 1Per5*k&&' *5*5'& 0&t&r 0e'&' *;*'9*;*'

&' 5e5b*'0&r ro*'0e0 1+er5*k&&'9+er5*k&&' b*'0&r, *;*'9*;*' 0&' te+

b*tr&' b*'0&r. Ke5&% %&5+e( ter%eb*t &0&(&7 tert*t*+ &t* 5'er&(95'er&(

+e'*%*''& 0b&t&% o(e7 5&%%& e(&%. A0&+*' %ort&%'& &0&(&7 %e0&' &t*

ke%er&&5&' *k*r&' b*tr'& 7&5+r %er&&5. M&ter&( +e'*%*' %&5+e( '

&0&(&7 ortok(&%, tt&'9&*t, 7or'b(e'0e, +(&ok(&% 0&' 5&%%& 0&%&r. Uk*r&'

5ter&('& ,355 9 ,"$ 55.

B&t*&' +rok(&%tk 5er*+&k&' b&t*&' &' terbe't*k &kb&t (et*%&' *'*'

ber&+. B&t*&' ' 0&8&( 0e'&' (et*%&' *'*' ber&+, &' ke5*0&'

5e'e(*&rk&' &t&* 5e'e5b*rk&' 5&5& &' ber%*7* k*r&' (eb7 # oC.


4/19

Ketk& 5&5& &' ber%*7* %&'&t +&'&% ter%eb*t ter%e5b*rk&' ke *0&r& 5&k&

%*7* 5&5& &k&' t*r*' %e


5/19

. Kaharu++in.19--.Penuntun raktikum etrologi.'akassar

. Blogsot./ukses Batuan Piroklastik.htm (+iakses a+a

hari senin tanggal - okto0er %&1% ukul 19.&& 2A)


6/19

A-I-TEN PRAKTIKAN

1I-HA M 1M. AHMAD

• *5(&7 @ Ortok(&% !","?

@ Tt&'9A*t 3#

@ P(&ok(&% !

@ Hor'b(e'0e !#

&0 ;*5(&7


7/19

PRAKTIKUM PETROGRAFI

ACARA : Batuan Piroklastik NAMA: M. AHMAD

' 2! !' ! #'' Crstal

Crystal

Tuff

Crystal

Vitric

Tuff

Vitric

Crystal

Tuff

Vitric

Tuff

*lass #'' ! !' 2! '


8/19



No. *r*t : 2

No.+er&& : MR !

e'% b&t*&' : B&t*&' Prok(&%tk

Ke0*0*k&' : 1), 1#$ , $4


6&r'& 'ko( %e;&;&r b&t*&' ' &0&(&7 or&'e ke


9/19

Kuarsa ( SiO2 )

6&r'& 'ko( %e;&;&r or&'e, 8&r'& 'ko( %(&' +*t7 ke&b*9&b*&', be't*k

%*b7e0r&(9&'7e0r&(, +e


10/19

*5*5'& 0&t&r 0e'&' *;*'9*;*' &' 5e5b*'0&r ro*'0e0 1+er5*k&&'9

+er5*k&&' b*'0&r, *;*'9*;*' 0&' te+ b*tr&' b*'0&r. Ke5&% %&5+e( ter%eb*t

&0&(&7 tert*t*+ &t* 5'er&(95'er&( +e'*%*''& 0b&t&% o(e7 5&%%& e(&%.

A0&+*' %ort&%'& &0&(&7 ;e(ek &t* ke%er&&5&' *k*r&' b*tr'& %&'&t ;&*7

berbe0&. M&ter&( +e'*%*' %&5+e( ' &0&(&7 k*&r%&, +(&ok(&%, 0&' 5&%%& 0&%&r.

B&t*&' +rok(&%tk 5er*+&k&' b&t*&' &' terbe't*k &kb&t (et*%&' *'*'

ber&+. B&t*&' ' 0&8&( 0e'&' (et*%&' 0&r *'*' ber&+, &' ke5*0&'

5e'e(*&rk&' &t&* 5e'e5b*rk&' 5&5& &' ber%*7* k*r&' (eb7 #o

C.


%*7* 5&5& &k&' t*r*' %e


11/19

&(o5er&t, (&+(%to'e, 0&' brek% *(k&'k. Ke*'&&' b&t*&' ' %eb&& b&7&'

b&'*'&' 0 0&er&7 er*+% *(k&'k.

Re=ere'%:

5. r!an, "l#a $ia. %&1%. Penuntun Praktikum

Petrograf.'akassar

3. r!an, "l#a $ia. %&1%. Penuntun raktikum 'ineral

tik.*+isi .'akassar

7. Kaharu++in.19--.Penuntun raktikum etrologi.'akassar

-. Blogsot./ukses Batuan Piroklastik.htm (+iakses a+a


A-I-TEN PRAKTIKAN


12/19

1I-HA M 1M. AHMAD

• *5(&7 @ K*&r%& 3,33

@ P(&ok(&% !,"?

&0 ;*5(&7


13/19

PRAKTIKUM PETROGRAFIACARA : Batuan Piroklastik NAMA: M. AHMAD



No. *r*t : 3

No.+er&& : TR 32 MR

e'% b&t*&' : B&t*&' Prok(&%tk

Ke0*0*k&' : 1), 1" , 23


6&r'& 'ko( %e;&;&r b&t*&' ' &0&(&7 or&'e ke


14/19

De%kr+% 5&ter&(

Ortoklas ( (K,Na) AlSi3O8 )

6&r'& 'ko( %e;&;&r or&'e, 8&r'& 'ko( %(&' ke ' '


15/19

M&%%& 0&%&r %&5+e( ' ber*+& e(&% *(k&'k

Per%e't&% 5&ter&(

N&5& 5'er&( I 1@ II 1@ III 1@ @ r&t&9r&t&

Ortok(&%

K*&r%&

P(&ok(&%

Prok%'

M&%%& D&%&r

2

!#

!

2#

3

!#

!#

!

2#

3#

2

2

#

2

3#

!,33

!","?

,33

23,33

33,33

N&5& B&t*&' : Crystal Vitric Tuff 1 K(&%=k&% Pett;o7', !4?#

Keter&'&' :

P&0& +r&ktk*5 b&t*&' +rok(&%tk 0e'&' 'o5or %&5+e( TR 32 MR

5e5(k ke'&5+&k&' 5kro%ko+% 0e'&' 8&r'& 'ko( %e;&;&r or&'e 0&' 8&r'&

'ko( %(&' &b*9&b*. Tek%t*r +&0& %&5+e( ter%eb*t &0&(&7 +rok(&%tk k&%&r. Be't*k

5&ter&('& &0&(&7 %*bro*'0e0 1Per5*k&&' *5*5'& 0&t&r 0e'&' *;*'9*;*'

&' 5e5b*'0&r ro*'0e0 1+er5*k&&'9+er5*k&&' b*'0&r, *;*'9*;*' 0&' te+

b*tr&' b*'0&r. Ke5&% %&5+e( ter%eb*t &0&(&7 tert*t*+ &t* 5'er&(95'er&(

+e'*%*''& 0b&t&% o(e7 5&%%& e(&%. A0&+*' %ort&%'& &0&(&7 %e0&' &t*

ke%er&&5&' *k*r&' b*tr'& 7&5+r %er&&5. M&ter&( +e'*%*' %&5+e( '

&0&(&7 ortok(&%, k*&r%&, +(&ok(&%, +rok%' 0&' 5&%%& 0&%&r. Uk*r&' 5ter&('&

,$9,? 55.B&t*&' +rok(&%tk 5er*+&k&' b&t*&' &' terbe't*k &kb&t (et*%&' *'*'

ber&+. B&t*&' ' 0&8&( 0e'&' (et*%&' 0&r *'*' ber&+, &' ke5*0&'

5e'e(*&rk&' &t&* 5e'e5b*rk&' 5&5& &' ber%*7* k*r&' (eb7 # oC.


%*7* 5&5& &k&' t*r*' %e


16/19

" oC &k&' 5e'e%*&k&' 0e'&' %*7* ('k*'&'& &t* %ekt&r 2# oC. O(e7

k&re'& t* b&t*&' +rok(&%tk 0&+&t terbe't*k 0 *0&r&. Pro%e% keterbe't*k&' b&t*&'

+rok(&%tk ber(&';*t ter*%. B&t*&' &' 0 *0&r& &k&' t*r*' ke+er5*k&&' b*5

&t* t&'&7. -ete(&7 b&t*&' +rok(&%tk ;&t*7 ke t&'&7 5&k& &k&' 5e'&(&5 +ro%e%

+e5be't*k&' ke5b&( &' 0&8&( 0e'&' be't*k bo'k&7, %e(&';*t'&

tertr&'%+ort&%k&' ke5*0&' tere'0&+k&' 0&' ter(t=k&%. De'&' 0e5k&',

bo'k&7 ter%eb*t &k&' 5e'&(&5 +er*b&7&' be't*k 5e';&0 b*tr&'9b*tr&'.

P&0& b&t*&' +rok(&%tk, 5&5& &' ter(e5+&r ke(*&r %*0&7 5e5be't*k

5'er&( +rok%' , ke5*0&' 0k*t o(e7 ortok(&%, 0&' ter&k7r 5'er&( k*&r%&.

P&0& %&&t Prok%' terbe't*k ;*& terbe't*k 5'er&( P(&ok(&%. Ke5*0&' +&0&

8&kt* 5&5& ter(e5+&r, &b* *(k&'k ;*& k*t ter(e5+&r. -e7'& 5e';&0

5&%%& 0&%&r'&. Ber0&%&rk&' k(&%=k&% Pett;o7' 1!4?# '&5& b&t*&''& &0&(&7

Crystal Vitric Tuff . A0&+*' A%o%&%'& &0&(&7 &(o5er&t, (&+(%to'e, 0&' brek%

*(k&'k. Ke*'&&' b&t*&' ' %eb&& b&7&' b&'*'&' 0 0&er&7 er*+% *(k&'k.

Re=ere'%:

9. r!an, "l#a $ia. %&1%. Penuntun Praktikum

Petrograf.'akassar

1&. r!an, "l#a $ia. %&1%. Penuntun raktikum 'ineral

tik.*+isi .'akassar

11. Kaharu++in.19--.Penuntun raktikum

etrologi.'akassar


17/19

1%. Blogsot./ukses Batuan Piroklastik.htm (+iakses a+a



18/19

A-I-TEN PRAKTIKAN

1I-HA M 1M. AHMAD

• *5(&7 @ Ortok(&% !,33

@ K*&r%& !","?

@ P(&ok(&% ,33

@ Prok%' 23,33

&0 ;*5(&7


19/19

*lass #'' ! !' 2! '

Crystal

Tuff

Crysta

l

Vitric

Vitric

Crystal

Tuff

Vitric

Tuff

petrografi lap3

Documents