Watch this video as a starting point for thinking about volcanoes. Create a copy of the table to write down your thoughts as you watch. |
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Click on the file below to open as a word document:
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2. Fertile soil They provide nutrients to the surrounding soil. Volcanic ash often contains minerals that are beneficial to plants, and if it is very fine ash it is able to break down quickly and get mixed into the soil. |
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3. Precious stones Diamonds are brought to the surface from the mantle in a rare type of magma called kimberlite and erupted at a rare type of volcanic vent called a diatreme or pipe. |
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5. Making water
Volcanic gases are the source of all the water (and most of the atmosphere) that we have today. The process of adding to the water and atmosphere is pretty slow, but if it hadn’t been going on for the past 4.5 billion years or so we’d be pretty miserable. |