Part 1: Magnetic Anomalies The objective of this lab is to introduce the concepts of Plate Tectonics and how the plates move and interact with one another. One of the main things that will be explored is the interactions at plate boundaries. Velocity is defined as the ratio of distance over time. Mathematically: V=td Velocity is a vector, which has both direction and magnitude, meaning that when we are exploring the velocities of these tectonic plates, we will look at both how fast the plates are moving as well as which directions the plates move. To determine the velocities of moving plates, we need two pieces of information: distance and time. Fortunately, volcanic rocks can give us information about when they were created in the magnetic orientation of magnetite crystals. These crystals align themselves with Earth's magnetic field, which will periodically switch its polarity. We can use this information to help determine the time component of the velocity. Use the map of Geoworld to answer the following questions. Step 1: Locate the mid-ocean ridge. The magnetic anomalies will form a symmetric pattern moving away from the mid-ocean ridge. Highlight the length of the ridge and label it "Hobbit Ridge", Step 2: Determine the relative rate of movement of the spreading of the Elrond Sea. Use the scale on the map for the distance and the ages of the magnetic reversals for the time. First determine the half spreading rate: the rate that the continents are moving from the ridge. Then determine the full spreading rate: the rate that the continents are moving from each other. Give your answer in mm/yr. Half Spreading Rate: Full Spreading Rate:te concepts of Plate Tectonics he one ancther. Ome of the main ions at plate boundaries. over time. Mathematically: tion and magnitude, meaning that rese tectonic plates, we will look well as which directions the plates ites, we need two pieces of ly, volcanic rocks can give us in the magnetic orientation of iemselves with Earth's magnetic olarity. We can use this mponent of the velocity. ollowing questions. rement of the spreading of the the distance and the ages of the mine the half spreading rate: the be ridge. Then determine the full are moving from each other. Spreading Rate: Spreading Rate:.

1. Part 1: Magnetic Anomalies The objective of this lab is to introduce the concepts of Plate
Tectonics and how the plates move and interact with one another. One of the main things that will
be explored is the interactions at plate boundaries. Velocity is defined as the ratio of distance over
time. Mathematically: V=td Velocity is a vector, which has both direction and magnitude, meaning
that when we are exploring the velocities of these tectonic plates, we will look at both how fast the
plates are moving as well as which directions the plates move. To determine the velocities of
moving plates, we need two pieces of information: distance and time. Fortunately, volcanic rocks
can give us information about when they were created in the magnetic orientation of magnetite
crystals. These crystals align themselves with Earth's magnetic field, which will periodically switch
its polarity. We can use this information to help determine the time component of the velocity. Use
the map of Geoworld to answer the following questions. Step 1: Locate the mid-ocean ridge. The
magnetic anomalies will form a symmetric pattern moving away from the mid-ocean ridge.
Highlight the length of the ridge and label it "Hobbit Ridge", Step 2: Determine the relative rate of
movement of the spreading of the Elrond Sea. Use the scale on the map for the distance and the
ages of the magnetic reversals for the time. First determine the half spreading rate: the rate that
the continents are moving from the ridge. Then determine the full spreading rate: the rate that the
continents are moving from each other. Give your answer in mm/yr. Half Spreading Rate: Full
Spreading Rate:te concepts of Plate Tectonics he one ancther. Ome of the main ions at plate
boundaries. over time. Mathematically: tion and magnitude, meaning that rese tectonic plates, we
will look well as which directions the plates ites, we need two pieces of ly, volcanic rocks can give
us in the magnetic orientation of iemselves with Earth's magnetic olarity. We can use this mponent
of the velocity. ollowing questions. rement of the spreading of the the distance and the ages of the
mine the half spreading rate: the be ridge. Then determine the full are moving from each other.
Spreading Rate: Spreading Rate: