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Tampilkan postingan dengan label Sejarah Gunung Merapi. Tampilkan semua postingan
Tampilkan postingan dengan label Sejarah Gunung Merapi. Tampilkan semua postingan

29 Oktober 2010

Sejarah Gunung Merapi


SEJARAH GEOLOGI
Hasil penelitian stratigrafi menunjukkan sejarah terbentuknya Merapi sangat kompleks. Wirakusumah (1989) membagi Geologi Merapi menjadi 2 kelompok besar yaitu Merapi Muda dan Merapi Tua. Penelitian selanjutnya (Berthomier, 1990; Newhall & Bronto, 1995; Newhall et.al, 2000) menemukan unit-unit stratigrafi di Merapi yang semakin detil. Menurut Berthommier,1990 berdasarkan studi stratigrafi, sejarah Merapi dapat dibagi atas 4 bagian :