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Point Counting Data Record Sheet (Rock and Aggregrate) A B C D E F G H I J K L M N O 1 MD MD MD MD MD MD OP OP MD PL OP OP OP MD MD 2 MD MD PL MD MD MD MD MD PL PL MD OP MD MD MD 3 MD MD PL MD MD MD PL MD MD MD MD MD MD MD MD 4 B B MD MD MD MD PL MD MD MD MD MD MD MD MD 5 B B MD MD MD MD MD MD MD MD MD MD MD MD MD 6 MD PL MD MD MD MD MD MD MD MD MD MD MD PL MD 7 MD MD PL MD MD MD MD MD MD MD MD MD MD PL PL 8 MO MD PL MD MD MD MD MD MD MD MD MD MD MD PL 9 MO MD PL MD MD MD MD MD MD MD PL MD MD MD MD 10 PL MD MD MD MD MD MD MD MD MD PL MD MD OP OP 11 MD MD PL MD MD MD MD MD MD MD MD MD MD MD MD 12 MD MD PL MD MD MD MD MD MD MD MD MD MD MD MD 13 MD MD MD MD MD MD MD MD MD OP MD MD MD MD MD 14 MD MD MO MO MD MD MD MD MD OP MD MD MD OP OP 15 MD MD MO MO MD MD MD MD MD MD MD MD MD OP OP Keterangan : B : Biotit Pl : Plagioklas OP : Ortopiroksen MD : Massa Dasar MO : Mineral Opak Presentase : PL = 15 225 x 100 % =6,66% MO = 4 225 x 100 % =1,77%

Tugas Syatan Praktikum Petrografi GAMBAR 2

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Page 1: Tugas Syatan Praktikum Petrografi GAMBAR 2

Point Counting Data Record Sheet (Rock and Aggregrate)

A B C D E F G H I J K L M N O

1 MD MD MD MD MD MD OP OP MD PL OP OP OP MD MD

2 MD MD PL MD MD MD MD MD PL PL MD OP MD MD MD

3 MD MD PL MD MD MD PL MD MD MD MD MD MD MD MD

4 B B MD MD MD MD PL MD MD MD MD MD MD MD MD

5 B B MD MD MD MD MD MD MD MD MD MD MD MD MD

6 MD PL MD MD MD MD MD MD MD MD MD MD MD PL MD

7 MD MD PL MD MD MD MD MD MD MD MD MD MD PL PL

8 MO MD PL MD MD MD MD MD MD MD MD MD MD MD PL

9 MO MD PL MD MD MD MD MD MD MD PL MD MD MD MD

10 PL MD MD MD MD MD MD MD MD MD PL MD MD OP OP

11 MD MD PL MD MD MD MD MD MD MD MD MD MD MD MD

12 MD MD PL MD MD MD MD MD MD MD MD MD MD MD MD

13 MD MD MD MD MD MD MD MD MD OP MD MD MD MD MD

14 MD MD MO MO MD MD MD MD MD OP MD MD MD OP OP

15 MD MD MO MO MD MD MD MD MD MD MD MD MD OP OPKeterangan :

B : Biotit

Pl : Plagioklas

OP : Ortopiroksen

MD : Massa Dasar

MO : Mineral Opak

Presentase :

PL = 15225

x100 %=6,66 %

MO = 4

225x100 %=1,77 %

MD = 190225

x100 %=84,44 %

OP = 12225

x100 %=5,33 %

Page 2: Tugas Syatan Praktikum Petrografi GAMBAR 2

B = 4

225x100 %=2,66 %

Grid sayatan

A B C D E F G H I J K L M N O

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