DAFTAR ISI

HALAMAN JUDUL......................................................................................... i

HALAMAN PENGESAHAN........................................................................... ii

KATA PENGANTAR....................................................................................... iii

DAFTAR ISI...................................................................................................... iv

DAFTAR GAMBAR......................................................................................... vi

DAFTAR TABEL.............................................................................................. ix

BAB I PENDAHULUAN.................................................................................. 1

I.1 Latar Belakang................................................................................... 1

I.2 Maksud dan Tujuan........................................................................... 2

I.3 Metode Penulisan Laporan................................................................ 2

I.4 Alat dan Bahan................................................................................... 3

BAB II DASAR TEORI.................................................................................... 5

II.1. Pengenalan Alat............................................................................ 5

II.1.1. Definisi mikroskop polarisasi.............................................. 5

II.1.2. Fungsi dan bagian-bagian mikroskop polarisasi................. 5

II.1.3. Teknik pembuatan sayatan tipis..........................................15

II.1.4. Bagian-bagian dari sayatan tipis (gelas preparat)................17

II.2. Cara pengambilan sampel dilapangan........................................17

II.2.1. Tujuan pengambilan sampel................................................17

II.2.2. Peralatan yang dibutuhkan dilapangan................................18

II.2.3. Teknik pengambilan sampel batuan....................................18

II.2.4. Tata cara penamaan sampel petrografi................................21

II.3. Mineral optik.................................................................................21

II.3.1. Dasar teori mineral optik.....................................................22

II.3.2. Sifat optis mineral pada pengamatan nikol sejajar..............22

II.3.3. Sifat optis mineral pada pengamatan nikol silang...............28

II.3.4. Sifat optis mineral kelompok plagioklas.............................37

II.3.5. Sifat optis mineral mika.......................................................45

II.3.6. Sifat optis mineral kelompok feldsparl ...............................50

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II.3.7. Sifat optis mineral kelompok olivin ...................................51

II.3.8. Sifat optis mineral kelompok piroxin..................................55

II.3.9. Sifat optis mineral kelompok amphibole.............................58

II.3.10. Sifat optis mineral kelompok kuarsa.................................60

II.3.11. Sifat optis mineral kelompok karbonat..............................61

II.4. Petrografi.......................................................................................66

II.4.1. Dasar teori petrografi...........................................................66

II.4.2. Batuan beku.........................................................................67

II.4.3. Batuan sedimen klastik dan non klastik..............................85

II.4.4. Batuan metamorf.................................................................93

II.4.5. Batuan piroklastik................................................................105

BAB III PEMBAHASAN.................................................................................117

III.1. Cara pengamatan nikol silang dan sejajar pada mineral optik .....117

III.2. Cara pengamatan nikol silang dan sejajar pada petrografi.............120

III.2.1. Batuan beku........................................................................120

Lampiran

III.2.2. Batuan sedimen klastik dan non klastik.............................123

Lampiran

III.2.3. Batuan metamorf................................................................126

Lampiran

III.2.4. Batuan piroklastik..............................................................129

Lampiran

BAB IV PENUTUP ..........................................................................................132

IV.1. Kesimpulan....................................................................................132

IV.2. Saran..............................................................................................133

DAFTAR PUSTAKA

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