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17TANDILIA Temas de la Geología Argentina I INSUGEO, Serie Correlación Geológica, 21: 17-46 Tucumán, 2006 - ISSN 1514-4186 - ISSN on-line 1666-9479 1 Centro de…

Documents 1 CONTINENTAL DRIFT & PANGAEA In 1912, Alfred Wegener proposed the idea that the continents were...

Slide 1 1 CONTINENTAL DRIFT & PANGAEA In 1912, Alfred Wegener proposed the idea that the continents were once part of a huge land mass, called Pangaea (all lands), that…

Documents Earth Science Section 17.2 – Seafloor Spreading. Objectives Summarize the evidence that led to the...

Slide 1 Earth Science Section 17.2 – Seafloor Spreading Slide 2 Objectives Summarize the evidence that led to the discovery of seafloor spreading. Explain the significance…

Documents Sea-Floor Spreading Key Concepts What is the process of sea-floor spreading? What is the evidence...

Slide 1 Sea-Floor Spreading Key Concepts What is the process of sea-floor spreading? What is the evidence for sea-floor spreading? What happens at deep-ocean trenches? Slide…

Documents FQ: How could continents move apart? 1. Think, pair, share 2. Write your ideas in your scientist...

Slide 1 FQ: How could continents move apart? 1. Think, pair, share 2. Write your ideas in your scientist notebook Slide 2 Mapping the Ocean Floor Sonar was used in the mid…

Documents Introduction to Landform Study Chapter 13. The Structure of the Earth Four Regions The Crust The...

Slide 1 Introduction to Landform Study Chapter 13 Slide 2 The Structure of the Earth Four Regions The Crust The Mantle The Outer Core The Inner Core Slide 3 The Crust The…

Documents Sea-Floor Spreading

Sea-Floor Spreading Key Concepts What is the process of sea-floor spreading? What is the evidence for sea-floor spreading? What happens at deep-ocean trenches? Key Terms…

Documents Section 12-2. Midocean Ridges Underwater mountains Ex. Mid-Atlantic Ridge Form the smallest mountain...

Earthâs Spreading Ocean Floor Earthâs Spreading Ocean Floor Section 12-2 Rift valleys = cracks in underwater mountains Midocean Ridges Underwater mountains Ex. Mid-Atlantic…

Documents Sea-Floor Spreading

Sea-Floor Spreading Key Concepts What is the process of sea-floor spreading? What is the evidence for sea-floor spreading? What happens at deep-ocean trenches? Key Terms…

Documents Earth’s Spreading Ocean Floor

Earthâs Spreading Ocean Floor Earthâs Spreading Ocean Floor Section 12-2 Rift valleys = cracks in underwater mountains Midocean Ridges Underwater mountains Ex. Mid-Atlantic…