Overview
Dive into the fascinating world of volcanoes in this comprehensive 40-minute lecture. Explore the differences between quiescent and explosive eruptions, understanding the crucial role gases play in volcanic activity. Examine various types of effusive eruptions, including lava flows, lava tubes, and pillow lavas. Learn about pyroclasts, from fine ash and dust to larger cinders and bombs. Discover the anatomy of a volcano and the characteristics of composite volcanoes. Investigate the destructive power of pyroclastic flows and the far-reaching effects of volcanic ash and gases on global climate. Gain insights into the formation of shield volcanoes and cinder cones. Enhance your understanding with accompanying videos showcasing explosive eruptions, aa lava flows, cinder cones, volcano types, and pyroclastic flows.
Syllabus
Intro
QUIESCENT VS EXPLOSIVE ERUPTIONS
THE ROLE OF GASES
EFFUSIVE ERUPTIONS
LAVA FLOWS
LAVA TUBES
PILLOW LAVAS
PYROCLASTS: ASH & DUST
PYROCLASTS: CINDERS & BOMBS
THE ANATOMY OF A VOLCANO
COMPOSITE VOLCANOES
PYROCLASTIC FLOWS
EFFECTS OF VOLCANIC ASH AND GASES ON CLIMATE
5 Shield volcanoes are formed from
6 Cinder cones are formed from
Taught by
Spahn's Science Lectures