Chapter 12.5, Problem 3CC

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Chapter 12.5, Problem 3CC

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5:28 PM Sun Jan 11 pressbooks.openeducationalberta.ca 10% various parts of the world. 5. Based on the hot spot tracks shown on the map and the ages of the volcanoes, determine the direction of plate motion for the African, Nazca, North American, and Pacific plates. Match the plate name to the arrow that most closely illustrates the vector (direction) of mo- tion. 6. Predict whether the plate boundary between the following pairs of plates is convergent or divergent based on the plate motion determined from the hot spot tracks: a) Pacific & Nazca Plates b) South American & African Plates Media Attributions . . Maps of plate boundaries, topography/bathymetry, seismology, volcanology, seafloor age by Dale S. Sawyer, Discovering Plate Boundaries activity. All rights reserved. Used with permission. Figure 1.1: "Hawaii Hotspot" by National Geophysical Data Center. Adapted by Steven Earle. Public domain. • Figure 1.3: "Hotspots" by Ingo Wölbern. Public domain. • Google Earth kmz file by Susan…

10% pressbooks.openeducationalberta.ca rent location or the not spot at Kilauea Volcano in southeast Hawall is shown by the marker labeled 0 Ma. Hot Spor Volcanoes and Plate Motion Exercise Questions 1. Using your ruler, measure the distance between the present location of the hot spot at Ki- lauea Volcano and Midway Island in kilometres (these locations are marked with blue points on the map). Measure the distance as a line from the centre of each point and round to the nearest whole km. (hint: you may need a calculator to convert between the measurement you get from your ruler and the true distance - consider the map scale!) 2. Make a rough estimate of the average rate of motion for the Pacific Plate in kilometres per million years. To do this, divide the distance between two volcanoes along the chain by their difference in ages (shown in millions of years, Ma). The rate is calculated as the distance over time. Round to the nearest tenth. 3. Most plate rates reported in scientific…