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Kode Matakuliah : PAP442

Jumlah SKS : 2

Prasyarat : PAP216*, PAP241*

Sinopsis

Latar belakang fisika: magnetisasi, teori tentang diamagnetisme, paramagnetisme dan feromagnetisme dalam bahan, konsep tentang domain magnetik, remanen magnetik dan anisotropi magnetik; kurva histeresis. Medan magnetik Bumi: sifat-sifat medan magnetic Bumi, konsep tentang medan magnetik Bumi, konsep dwi-kutub, representasi vektor dari medan magnetik Bumi, variasi medan magnetik Bumi, pembalikan medan magnetic Bumi, teori tentang pembangkitan medan magnetik Bumi. Mineral magnetik dan proses magnetisasi pada batuan: jenis-jenis mineral magnetik di alam dan proses pembentukannya, perubahan fasa, magnetisasi pada batuan, magnetisme organik dan biomagnetisme. Pengukuran-pengukuran sifat magnetik batuan: prinsip-prinsip dari berbagai jenis magnetometer, pengukuran dan pembangkitan medan magnetik di laboratorium, magnetisasi dan demagnetisasi artifisial; pengukuran suseptibilitas magnetik, suhu Curie, sifat magnetik pada suhu rendah, pengukuran kurva histeresis. Penerapan kajian kemagnetan batuan: paleomagnetisme, stratigraFImagnetik, pemodelan medan magnetik Bumi dan sumber pembangkitannya, kemagnetan batuan sebagai indikator perubahan lingkungan, kemagnetan batuan untuk keperluan lain (eksplorasi dan arkeologi).

Buku Acuan:

1. Butler, R. F., Paleomagnetism: Magnetic domain to geological terannes, 1992.
2. Collinson, D. W., Methods in rock magnetism and paleomagnetism, 1983.
3. Cullity, B. D. , Introduction to magnetic material, 1972.
4. Dunlop, D. and Ö. Özdemir, Rock Magnetism, 1997.

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