Igneous Rocks and Human Life

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Presentation transcript:

Igneous Rocks and Human Life PELATNAS INTERNATIONAL EARTH SCIENCE OLYMPICS (IESO) 2010 Igneous Rocks and Human Life Dr. Lucas Donny Setijadji Universitas Gadjah Mada Yogyakarta, 02 November 2009

Impacts of Igneous Rocks to Human Life Geohazards: Volcanic hazards Economic benefits

Volcanic Hazards Pyroclastic flow Ash fall Sector collapse Lahar Lava Gas Tsunami

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Largest Volcanic Eruptions as known from distribution of deep-sea tephra 36,000 casualties 92,000 casualties

Economic Benefits Building stones Geothermal energy Metallic deposits Industrial minerals Agriculture Tourism

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Metallic Deposits in Sumatra Crow and van Leeuwen (2005)

Batu Hijau Cu-Au Mine, Sumbawa

Java Island : Geology and Earth Resources Trench Depth contour of subducted slab (km)

Dieng geothermal area

Geo-Tourism Ata Caldera, Japan: Bathing on Magma-heated Sand!!!

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