Practice quiz 1
For this exercise, please watch the first tutorial video before answering the questions. You are encouraged to use the video as much as you would like to answer the following questions. You will have an opportunity at the end after submitting to check your answers and take the quiz again for practice.
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Earth Optics Video 1: Plane Polarized Light
Considering the stage is moving down in the video below, what is the relief of this mineral in a grain mount?
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Considering the stage is moving down in the video below, what is the relief of this mineral in a petrographic thin section?
The mineral in question is the brown mineral that the arrow is pointing to.
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In the video below, the stage is being lowered. Fully characterize the relief of the center grain.
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In the video below, what property is the green mineral dispalying?
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Adjusting the diaphragm aids in contrast visibility. In this picture of a microscope, where is the diaphragm located?
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