Lab - Tectonics, Faults, Tsunamis (1)

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Front Range Community College *

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111

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Geography

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Jul 1, 2024

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docx

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8

Uploaded by ColonelSeahorse2504

GEO 111-Physical Geography-Landforms NAME: Lab 4 - Plate Tectonics, Tsunamis and Faults The following web sites are excellent resources for information on plate tectonics. They provide diagrams and definitions that should help you in completing this lab: http://denali.gsfc.nasa.gov/dtam/images/tectonic_map.jpg http://pubs.usgs.gov/publications/text/understanding.html 1. World Lithospheric Plates On the world map on the next page do the following: (a) Label the following major contemporary tectonic plates: Great Plates : Lesser Plates : (1) Pacific (1) Nazca (2) American (North and South) (2) Cocos (3) Eurasian (3) Philippine (4) African (4) Caribbean (5) Indo-Australian (5) Arabian (6) Antarctic (6) Juan de Fuca (7) Scotia (b) Draw arrows to show the general direction of plate movement. (c) Color the boundaries: (1) convergent boundaries = red (2) divergent boundaries = blue (3) transform boundaries = green (d) Locate and label the following: (1) San Andreas Fault (2) Mid-Atlantic Ridge (3) African Rift Valley System (4) Ring of Fire – color it orange
San Andreas fault Mid Atlantic Ridge African Rift Valley System
2. Volcanoes and Plate Subduction In the tables below, write in the plates associated with the volcano ranges or arcs. Refer to an atlas or the physical map of the world on the inside cover of your textbook to locate the volcanic ranges. Refer to the map on p. 419 of your textbook, Figure 14-10, to determine which plates are involved. Hint: On convergent plates, the little triangles indicate the direction of submergence. subducting plate opposing plate Volcanoes Formed by Plate Subduction Range or Arc Subducting Plate Opposing Plate Cascade Range Aleutian Islands Lesser Antilles (West Indies) Central America Andes Mountains Mariana Islands Kuril Islands Philippine Islands Sumatra-Java South Sandwich Is. Juan de Fuca Pacific Atlantic Cocos Nazca Pacific Pacific Philippine Sea Indian-Australian South American North American North American Caribbean Caribbean South American Philippine Sea Okhotsk Eurasian Eurasian Scotia Volcanoes Formed by Spreading Plates Islands Plate to the W or S Plate to the E or N Iceland Tristan de Cuna St. Paul Island Galapagos Islands North American African African Nazca Eurasian South American Indian-Australian Cocos
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