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Viscous

Describes a substance that is thick and resists flowing. The more viscous a material is, the slower and more sluggish its movement. In geology, viscous lava is lava that is rich in silica (silicon dioxide), which increases its thickness and resistance to flow. These sticky, slow-moving lavas tend to pile up near the volcanic vent, often forming steep-sided volcanic cones or domes.

Examples include rhyolite or andesite lavas, which contrast with more fluid, low-viscosity basaltic lavas that form broad, gently sloping shield volcanoes.

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Intro:: Nature:: Map:: Parks:: Points of Interest:: Ghosts & Gold:: Communities:: Roads & Trails:: People & History:: BLOG:: PDF:: Weather:: :?:: glossary
Digital-Desert : Mojave Desert
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