'East african rift' diaporamas de présentation

Plate Tectonics

Plate Tectonics. Continental Drift. Antonio Snider-Pelligrini Alfred Wegener Arthur Holmes. Antonio Snider-Pellegrini, 1858. Apres. Avant. Continental Drift. Alfred Wegener. What did Wegener notice?. The fit of the continents, as shown by the geographer Snider-Pelligrini

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Senior University Georgetown Winter 2013

Senior University Georgetown Winter 2013. Session 2. Creating Pathways for Ancient Peoples. Some interesting Information sources. Out of the East African Rift & Tropics nd into the country of South Africa. Some interesting Information sources. Geology in the News.

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Elements: Introduction

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Alfred Wegener (1880-1930)

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Looking Inside the Continents from Space: Insights into Earthquake Hazard and Crustal Deformation

Looking Inside the Continents from Space: Insights into Earthquake Hazard and Crustal Deformation. S. N. India. Tibetan Plateau. 5 cm/yr. S. N. Earthquake Hazard in the Alpine-Himalayan Belt. Alpine-Himalayan Belt. 75% of earthquakes killing more than 10k since 1900.

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Chapter 8 Intro

Chapter 8 Intro. Ancient Tectonics Settings. Principle tectonic elements of a continent. Craton - Shield - Platform Orogenic belt. Hot Spots .

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Global Navigation Satellite Systems (GNSS) for Earth Sciences

Global Navigation Satellite Systems (GNSS) for Earth Sciences. Prof. Thomas Herring, Massachusetts Institute of Technology Cambridge, MA USA tah@mit.edu http://www-gpsg.mit.edu/~tah. Introduction.

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Diverging plate boundaries: Mid-Atlantic Ridge

Diverging plate boundaries: Mid-Atlantic Ridge. LAVA FOUNTAINS KRAFLA VOLCANO ICELAND. OLDOINYO LENGAI, EAST AFRICAN RIFT ZONE. ANDES: NAZCA-SOUTH AMERICAN PLATE COLLISON Pachapaqui Mining area, Peru. OCEANIC-CONTINENTAL COLLISONS SUSTAIN MOST VOLCANIC ACTIVITY AROUND THE PACIFIC OCEAN.

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Plate Boundaries and Plate Tectonics

Plate Boundaries and Plate Tectonics. By: Mike Brady, Joe Fassel, Liz Alessi, Brittany Spalding, Josh Minnich. Plate Boundaries. -a fracture that separates one plate from another. 3 different types. Divergent boundary Convergent boundary Transform boundary. Divergent.

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From Hominoids to Hominins

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Warm Up 12/3

Warm Up 12/3. Which of the following is NOT true about a batholith? a. It is considered a pluton. b. It may form the core of a mountain range. c. It is often a small part of a sill. d. It is the largest intrusive igneous body. What is true about all plutons?

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WHAT IS MAGMA MADE UP OF?

WHAT IS MAGMA MADE UP OF?. At divergent boundaries and hot spots, magma forms by PARTIAL MELTING (not complete melting) of the mantle Minerals with higher melting points stay in the mantle. Minerals with relatively lower melting points melt to form the magma.

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Rift valleys

Rift valleys. A rift valley is a linear-shaped lowland between several highlands or mountain ranges created by the action of a geologic rift or fault. Formation of rift valleys.

1.1k views • 6 slides