3-5 Plate Boundaries Unit 3: Dynamic Crust December 13, 2011 Sanders
Do Now May 29, 2019 Take out Reference Table Take out Notebook Open to page 5 Take out Notebook May 29, 2019 3 - Dynamic Crust
Plate Boundaries The Earth’s crust is not one solid piece. The Earth is covered by tectonic plates. There are three main plate boundaries. May 29, 2019 3 - Dynamic Crust
Transform Boundary May 29, 2019 3 - Dynamic Crust Transform motion occurs where two plates slip past each other. Transform motion creates strike-slip faults. Blocks of crust slide horizontally past each other, causing moderate, shallow earthquakes. May 29, 2019 3 - Dynamic Crust
Subduction May 29, 2019 3 - Dynamic Crust Continental Collisions: When two tectonic plates with continental crust collide, they buckle and thicken, pushing the continental crust upward. Continetal/Oceaninc Collisions: When a tecton plate with oceanic crust, the oceaninc plate slides under the continental plate. The region where oceaic plates sink down into the asthenosphere is called a subduction zone. Ocean/Oceanic Collisions: When two oceanic plates slides under the other, much as in a continental/oceanic collision. May 29, 2019 3 - Dynamic Crust
Divergent Boundary May 29, 2019 3 - Dynamic Crust