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Tag «ropy lava»

Surface of Lavaflows

The surface texture of lava depends on (i) the temperature of lava, (ii) the composition of lava, and (iii) the velocity of the flow during the eruption. The surface texture of newly consolidated lava-flows are of three types; (1) Blocky Lava: Rhyolitic lavas, because of their high silica content, are usually very viscous. Their movement …