Big Island #3: Trip Through Waimea to Hilo
Read MoreLooking up at Mauna Kea. There is a rare "hole" in the cloud allowing you to see the top. Do you see the observatory? This is a good photo on which to bring up how the typical Hawaiian volcano differs from volcanoes in many places (such as the Pacific NW, for instance). Lava here tends to flow as a liquid with relatively low viscosity. This allows it to flow quickly and for long distances, which builds up a mound with relatively little steepness. The lava oozes and runs, adding a little to the height and a lot to the girth of the mountain. As this occurs time and time again through the eons, it develops a mountain of extreme mass compared to mountains of similar height arising by different means. Such volcanoes are called SHIELD volcanoes. If this has piqued your interest, take a look at http://en.wikipedia.org/wiki/Shield_volcano
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