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What conditions make for a violent volcanic eruption?
Magma with high silica content
What is the difference in silica content and viscosity between light color and dark colored magma?
The lower the viscosity is the hotter the magma is and faster it flows.Higher the viscosity is the cooler it is and slower it flows down.
What three things indicate the thickness of magma?
The thickness of magma may be indicated by its measured temperature, its color, and the speed of its flow.
Do shield volcanoes have high viscosity?
No. Shield volcanoes are fed by low-viscosity basaltic magma.
What mineral determines magma viscosity?
A magma's viscosity is directly related to its degree of silica content.
How does temperature affect viscosity magma?
High temperature=low viscosityLow temperature=high viscosity
Does temperature affect viscosity of magma?
High temperature=low viscosityLow temperature=high viscosity
Does temperature does temperature affect viscosity of magma?
High temperature=low viscosityLow temperature=high viscosity
What 3 factors determine magma viscosity?
The three elements that determine viscosity in magma are:TemperatureSilicaOxides (gases)Viscosity changes the way in which magma will flow. Magma with low viscosity will flow much more easily than high viscosity magma.
What factors affect magma's viscosity?
The two main factors that affect viscosity are temperature and silica content. Higher temperatures lower viscosity while higher silica content increases viscosity.
What mainly determines the viscosity of a magma?
Viscosity is the measure of a liquids resistance to flow. In the case of magma, the hotter it is, the lower the viscosity.
How does temperature affect the viscosity of ketchup?
The viscosity decrease increasing the temperature.
What is the relationship between silicon content and the viscosity of magma?
Although other factors such as temperature and water content also affect the viscosity of magma, silica-rich magmas tend to be more viscous than silica-poor magmas in similar situations.
What effects does temperature have on the characteristics of magma?
The temperature of the magma will affect its viscosity depending on its chemistry. Some minerals crystallize at higher temperatures than others, meaning that portions of the magma may have already solidified. At lower temperatures, the majority of the constituent minerals will have crystallized and solidified, leaving the magma highly viscous.
How viscosity affect volcanic eruptions?
Viscosity is how thick the magma is and this can impact on how much a volcano erupts and how it flows.
What factors determine the force of a volcano eruption?
Factors that determine the force of an eruption are magma viscosity and gas content.
Does an increase in silica increase the viscosity of magma?
Yes. Viscosity is the resistance of a fluid to flowing. A high viscosity means low flowing (I specifically mention this because this is a huge pitfall) When silica content increases, and when temperature decreases, the viscosity of a magma increases along with it.
