Volcanoes I. Where volcanoes happen A. Mid Ocean Ridges
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- B. Pyroclasts
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-Sticky explosive lava with a silica content of 70% or more. -Traps gases within it so volcanoes are more explosive. -creates dome shaped volcanoes (narrow base and high steep sides). -happens at destructive plate boundaries at subduction zones. -Example is Mount St. Helens in the USA B. Pyroclasts -also known as volcanic bombs -hot ash, lava and pieces of rock that are thrown out of a volcano. -Pyroclastic flows are boiling clouds of ash and rock which move quickly and destroy everything in their path. Directory: wp-content -> uploads -> 2015 2015 -> Lesson plan template 2015 -> The heart and mind of a steward leader 2015 -> Artificial Intelligence 2015 -> 8 shocking predictions for life after 2020 from Google's genius futurist 2015 -> Summer assignment for ap us history 2015 -> 8th Grade New Deal Inquiry Was the New Deal a Good Deal? 2015 -> Lesson plan template 2015 -> Lesson plan template 2015 -> Conditions of Antebellum Slavery Share with your friends:
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