Question: Note the map of major igneous rock bodies along
Note the map of major igneous rock bodies along western North America (Fig. 3.15). Name the type of igneous bodies shown, and name the likely dominant rock type present.
Answer to relevant QuestionsFigure 3.16 includes three sketches of the Hawaiian Islands. (a) What is the origin of the islands? They are volcanoesIf volcanoes are dangerous, as illustrated when Mt. St. Helens erupted in May 1980, why are some volcanic regions such as Sumatra in the East Indies so densely populated?Joints, or cracks in rocks, are natural passageways for air and water. What should happen to joints with time? See Fig. 4.2.Give a generalized chemical equation that illustrates the effect of carbonation on silicate minerals.What is the most important factor in the production of good soils—the climate, the topography, or the rock type?
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