Mid-Atlantic Ridge and northward to the Gakkel Ridge. The eastern side is a boundary with the North American Plate to the north and a boundary with the Philippine Sea Plate to the south‚ and possibly with the Okhotsk Plate and the Amurian Plate. The southerly side is a boundary with the African Plate to the west‚ the Arabian Plate in the middle and the Indo-Australian Plate to the east. The westerly side is a divergent boundary with the North American Plate forming the northernmost part of the Mid-Atlantic
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surrounding oceans. The Antarctic Plate is bounded almost entirely by extensional mid-ocean ridge systems. The adjoining plates are the Nazca Plate‚ the South American Plate‚ the African Plate‚ the Indo-Australian Plate‚ the Pacific Plate‚ and‚ across a transform boundary‚ the Scotia Plate. The Antarctic plate is roughly 60‚900‚000 square kilometers.[1] It is the fifth biggest plate in the world. The South American Plate is a continental tectonic plate
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Ravindra Nandigam‚ Ph. D.‚ South Texas College Name: Course Number: Semester: Phys 1417 Physical Science II‚ Homework #5 Instructions: 1. Type your name‚ Course number (=PHYS 1417.V01)‚ and Semester (=Summer I‚ 2013). 2. Type your answers. Include questions. 3. Make sure that all parts of each question are answered. 4. Turn in. Chapter 25 Rocks and Minerals 1. List the 8 elements which make up about 98% of Earth’s entire mass. 2. The most abundant element in the Earth’s interior is __________________
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Adapted from an activity by Laurel Goodell February 2013 Introduction to Plate Tectonics via Google Earth (24 pts) B. Topographic Patterns Uncheck all of the layers and focus on topographic features of the earth. Topography of the earth ABOVE sea level Questions Answers 1. Are mountains randomly distributed on the continents‚ or do they tend to occur in particular patterns (clusters‚ linear chains‚ arcs‚ etc.)? Some appear in lines and others in arcs 1pt 2. Find Mt. Everest‚ the highest point
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continent‚ south America‚ Australia‚ new guinea Lavrasia: northern super continent Types of Plate Boundaries Divergent(constructive) Convergent(destructive) Transform(conservative) Preservation: -Permineralization: petrified wood -Minerals and cast: impression in material filled in by another -Carbonization and empression: when carbon film is lost -Amber: harder resin of ancient trees Divergent Boundary -Tension creates rifting -Creates new ocean basins -Uplift due to hot‚ rising‚ less dense magma
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Christian Hill 8/21/2013 PHYSICAL GEOLOGY CHAPTER 1 – STUDY GUIDE TERMS- Define Physical geology- studies the earths materials‚ processes and structures within plate tectonics framework‚ and understand the processes that operates beneath and upon its surface. Historical geology- examines the origin of the Earth and how Earth changed through time. Catastrophism- meaning the Earth’s landscape was shaped mainly of great catastrophes. Uniformitarianism- "the present is the key"‚ the
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Plate Tectonics Introduction Continental Drift Seafloor Spreading Plate Tectonics Divergent Plate Boundaries Convergent Plate Boundaries Transform Plate Boundaries Summary This curious world we inhabit is more wonderful than convenient; more beautiful than it is useful; it is more to be admired and enjoyed than used. Henry David Thoreau Introduction • • • Earth’s lithosphere is divided into mobile plates. Plate tectonics describes the distribution and motion of the plates. The theory
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Country The goal is to be prepared for an upcoming earthquake by understanding it better. April 3rd: OUTLINE: Earth’s Interior Plate Tectonics (Read Chapter 6) Plates Continental Drift Sea Floor spreading Driving Mechanisms Plate Boundaries lithosphere- Solid is very hard. if
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in cooling lava or igneous bodies -Paleomagnetism *Polar Wandering- (strong evidence that continents move) *Geomagnetic Reversals- (north and south pole switch magnetic forces) -Paleomagnetism *Sea Floor Spreading -Proposed after plate boundaries were recognized and the Asthenosphere was discovered.
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Pat I. Volcanoes and Volcanic Hazards (Chapter 4) 1. Between 2001 and 2012‚ 41 volcanic events occurred worldwide. 2. 11 eruptions with VEI>=3 erupted from 2001-2012 3. Some volcanoes that were erupted and associated with tsunamis are: * Name: Stramboli Eruption type: stratovolcano Location: Italy * Name: Soufriefe hills (2003) Eruption type: stratovolcano Location: W indies * Name: Soufriefe hills (2006) Eruption type: stratovolcano
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