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LAPORAN RESMI PRAKTIKUM PETROLOGI

Oleh :

xxxxx 111.160.xxx Plug x LABORATORIUM BAHAN GALIAN SIE PETROLOGI PROGRAM STUDI TEKNIK GEOLOGI FAKULTAS TEKNOLOGI MINERAL UNIVERSITAS PEMBANGUNAN NASIONAL “VETERAN” YOGYAKARTA 2017

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HALAMAN PENGESAHAN LAPORAN RESMI PRAKTIKUM PETROLOGI DISUSUN OLEH :

MUHAMAD RINALDI 111.160.082 Plug 6 Diajukan sebagai Laporan Akhir Praktikum Petrologi pada Semester 2 tahun ajaran 2017/2018 Program Studi Teknik Geologi Fakultas Teknologi Mineral Universitas Pembangunan Nasional “Veteran” Yogyakarta Yogyakarta, 24 Mei 2017 Disahkan Oleh

ASSISTEN PETROLOGI

LABORATORIUM BAHAN GALIAN SIE PETROLOGI PROGRAM STUDI TEKNIK GEOLOGI FAKULTAS TEKNOLOGI MINERAL UNIVERSITAS PEMBANGUNAN NASIONAL “VETERAN” YOGYAKARTA 2017

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HALAMAN PERSEMBAHAN

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KATA PENGANTAR

Yogyakarta, xxMei 2016 Penyusun,

Dinanti Ginanda A. 111.150.028

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DAFTAR ISI Halaman HALAMAN JUDUL................................................................................................................. i HALAMAN PENGESAHAN................................................................................................... ii HALAMAN PERSEMBAHAN ............................................................................................... iii KATA PENGANTAR................................................................................................................ iv DAFTAR ISI............................................................................................................................. v DAFTAR TABEL DAN GAMBAR ........................................................................................ vii PENDAHULUAN BAB I.

BATUAN BEKU

I.1. Pengenalan Magma ................................................................................................................................ 2 I.2. Jenis Batuan Beku ................................................................................................................................ 6 I.3. Struktur Batuan Beku ................................................................................................................................ 8 I.4. Tekstur Batuan Beku ................................................................................................................................ 9 I.5 . Komposisi Mineral Batuan Beku ................................................................................................................................ 12 I.6 . Tugas Mingguan dan Deskripsi BAB II.

BATUAN PIROKLASTIK

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II.1. Komponen Penyusun Batuan Piroklastik .................................................................................................................................................. 20 II.2. Struktur dan Tekstur Batuan Piroklastik .................................................................................................................................................. 22 II.3. Komposisi Mineral Batuan Piroklastik .................................................................................................................................................. 24 II.4. Tugas Mingguan dan Deskripsi BAB III.

BATUAN SEDIMEN

III.1. Penggolongan dan Penamaan Batuan Sedimen................................................... 27 III.2. Pemerian Batuan Sedimen Klastik...................................................................... 28 III.3. Pemerian Batuan Sedimen Non-Klastik.............................................................. 35 III.4. Pemerian Batuan Sedimen Karbonat.................................................................. 36 III.5. Pemerian Batuan Sedimen Karbonat Klastik...................................................... 37 III.6. Pemerian Batuan Sedimen Karbonat Non-Klastik.............................................. 38 III.7. Tugas Mingguan dan Deskripsi BAB IV.

BATUAN METAMORF

IV.1. Tipe-tipe Metamorfosa......................................................................................... 42 IV.2. Pemerian Batuan Metamorf................................................................................. 43 IV.3. Komposisi Mineral Batuan Metamorf.................................................................. 47 IV.4. Penamaan Batuan Metamorf................................................................................ 47 IV.5. Tugas Mingguan dan Deskripsi BAB V.

LAPORAN EKSKURSI PETROLOGI KULONPROGO

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V.1.

Dasar Teori

BAB VI.

PENUTUP

VI.1. Kritik dan Saran................................................................................................... 54 DAFTAR PUSTAKA LAMPIRAN

DAFTAR TABEL DAN GAMBAR GAMBAR Gambar 1.1 Jenis-jenis intrusi………………………………………………1 7

Gambar 1.2 Skema differensiasi magma (Atlas of Volcanic USGS)……… 4 Gambar 1.3 Skema yang menunjukkan seri reaksi Bowen, 1928…………… 6 Gambar 2.1 Ilustrasi terbentuknya partikel/butiran vulkanik hingga proses sedimentasi dan litifikasi……………………………………………………20 Gambar 2.2 Hubungan genetik antara produk endapan vulkanik primer dan Sekunder…………………………………………………………………… 24 Gambar 3.1 Derajat sortasi batuan………………………………………….28 Gambar 3.2 Bangun Butiran Sedimen……………………………………... 29 Gambar 3.3 Derajat Kebundaran Butiran………………………………….. 30 Gambar 3.4 Bentuk bentuk lapisan sedimen………………………………..32 TABEL Tabel 1.1 Pengenalan Mineral dan Sifatnya……………………………….. 13 Tabel 1.2 Diagram Alir Deskripsi Batuan Beku…………………………… 14 Tabel 1.3 Dasar Penamaan Batuan Beku Asam - Intermediet Berdasarkan Perbandingan K. Felspar Dengan Total Plagioklas……………………........15 Tabel 1.4 Pembagian Batuan Beku dari Berbagai Aspek………………….. 17 Tabel 2.1 Kesetaraan penamaan batuan piroklastik, vulkanik epiklastik dan sedimen………………………………………………………………... 20 Tabel 2.2 Matrik nama endapan dan batuan piroklastik berdasarkan ukuran Butirnya……………………………………..

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21 Tabel 2.3 Diagram Alir Deskripsi Batuan Piroklastik……………………... 25 Tabel 3.1. Ukuran butir pada batuan Sedimen (Wentworth, 1922)…………..27 Tabel 3.2 Pembagian lapisan berdasarkan ketebalannya (Mc. Kee&Weir, 1953) 32 Tabel 3.3. Pemerian Batu Pasir dari skala Wentworth…………………….. 33 Tabel 3.4 Ukuran butir Batan Sedimen Karbonat Klastik………………… 34 Tabel 3.5 Nama-nama Batuan Karbonat…………………………………… 35 Tabel 3.6 Klasifikasi Batu Pasir menurut Pettijohn, (1973)…………………..36 Tabel 3.7 Diagram Alir Deskripsi Batuan Sedimen……………………….. 38 Tabel 4.1 Diagram Alir Deskripsi Batuan Metamorf……………………….48

DAFTAR PUSTAKA

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1. Anthony Hall, 1989, Igneous Petrology, Longman Inc, New York, h 573. 2. Blatt, H. Middleton, dan G. Murray. R., 1979. Origin of Sedimentary Rock, Prince-Hall, Englewood, Dlifs. 3. Ehler,E.G., dan Blatt, H., 1982, Petrology Igneous, Sedimentary and Metamorphic, Freeman, Cooper & Company, United State of America, h 732. 4. Fisher, R.V. dan Scmincke, H.U, 1984, Pyroklastic Rocks, Springer Verlag, h 472 5. Huang, W.T., 1962, Petrology, Mc.Graw Hill Book Company, New York, San Fransisco, Toronto, London. 6. Jackson K.C., 1970, Text Book of Lithology, Mc. Graw Hill Book Company, New York. 7. Koesoemadinata, R.P., 1981, Prinsip-prinsip Sedimentasi, Departemen Teknik Geologi, ITB. 8. Pettijohn, F.J., 1975, Sedimentary Rock, Third Edition, Marker and Bow Publisher. 9. Williams, H, Turner, F.J dan Gilbert C.M., 1954, Petrography ; An Introduction to he study of rocks in thin section, 2st edition, W.H. Freeman and ompany, i. New York, h 626 10. Winkler H.G.F., 1975, Petrogenesis of Metamorphic Rocks, 2nd Edition, Spring-Verlag, New York Inc. 11. Wilson, M., 1989, Igneous Petrogenesis A Global Tectonic Approach, London : i. Depart of Earth Sciences, University of Leeds, h 466 12. Yardley B.W.D, 1989, An Introduction to Metamorphic Petrology, 1st Edition, John Willey and Sons Inc.

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