ERTH 2415 Chapter 8: Chapter 8 summary.doc

• School: Carleton University
• Department: Earth Sciences
• Course: ERTH 2415
• Professor: Claire Samson

Document Summary

Is a volcanic plateau built of basaltic lava erupted from a hot spot below the mid- Atlantic spreading centre: about 13% of the country"s surface is covered by glaciers, and one-third comprises active volcanoes, most icelandic eruptions do not cause deaths, but exceptions do occur. Summary of chapter 8: gases vented during the eruptive sequence, other than water vapor, were dominantly. Co2 with lesser amounts of h2, co, and ch4: the only fatality was a person asphyxiated in a gas-filled building. Volcanism at subduction zones: volcanism at subduction zones have the biggest impact on humans, also because these volcanoes erupt directly into the atmosphere affecting weather worldwide. In southern british columbia, where canada"s most explosive volcanoes are found - Mount garibaldi and mount meager - at the northern end of a volcanic belt extending along the pacific coast all the way to northern california, the cascade range.