02. Tektonik Lempeng

TKG 123
Geomorfologi untuk Teknik Geologi
02. Tektonik Lempeng
Salahuddin Husein
Jurusan Teknik Geologi
Fakultas Teknik Universitas Gadjah Mada
2010
Struktur Dalam Bumi
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Penampang Litosfer
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Lempeng Tektonik
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Mekanisme Tektonik Lempeng
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Ada 2 model yang menjelaskan mekanisme tektonik lempeng:
(a) sel arus konveksi panas yang hanya terbatas di astenosfer,
(b) sel arus konveksi panas yang melibatkan seluruh mantel.
Pergerakan Relatif Lempeng Tektonik
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Pergerakan Relatif Lempeng Tektonik di Indonesia
shddin © 2009
GPS study [Bock et al, 2004]
Morfologi Dasar Samudera
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Batas Lempeng Tektonik
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Morfologi Batas Divergen
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Morfologi Batas Konvergen (samudera – samudera)
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Morfologi Batas Konvergen (benua – benua)
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Morfologi Batas Transform
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Hot Spot
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Sebaran Hot Spot
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