| http://www.w3.org/ns/prov#value | - The higher the lava???s silica content, the higher its viscosity.Pahoehoe lava flow, Kilauea volcano, Hawaii, November 1985.J. D. Griggs, U. S. Geological SurveyMafic (ferromagnesian, dark-coloured) lavas such as basalt characteristically form flows known by the Hawaiian names
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