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Is a rock with more silica in it likely to be lighter or draker than a rock with less silica in it?
Wiki User
∙ 11y ago
more silca means lighter color less silca means darker color.
Wiki User
∙ 11y ago
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Why is magma that contains little silica less likely to erupt explosively?
Magma with less silica is thinner and runnier.Therfore, gases can move out of the magma easily.
Why is magma that contains little silica less to erupt explosively?
Magma with less silica is thinner and runnier.Therfore, gases can move out of the magma easily.
Does less silica equal greater viscosity?
No. Higher silica magmas tend to be more viscous.
Why is there less silica in ocean water than river and ground water?
almost no silica in ocean water but most of its the earths crust.
What is the silica content of lava in volcanoes where quiet or non explosive eruptions occur?
in quiet eruptions, the magma or lava contains more silica than explosive eruptions. in explosive eruptions magma has less silica because lava becomes less dense and can shoot out of an volcano
Which rock has more silica in it likely to be lighter or darker than a rock with less silica in it?
It will be lighter. Because the silica makes the rocks explode from the valcanos. The only rock that has height silica content and is dark is Quartz.
Why is magma that contains little silica less likely to erupt explosively?
Magma with less silica is thinner and runnier.Therfore, gases can move out of the magma easily.
Why is magma that contains little silica less likely erupt explosively?
Magma with less silica is thinner and runnier.Therfore, gases can move out of the magma easily.
Why is magma with less silica less likely to cause explosive eruptions?
The silicate compounds are more viscous and hold gases and water under pressure, and the gases and steam expand violently once the lava reaches the surface. Less silica means that some of these gases will bubble out before reaching critical pressure.
Why is magma with less silica less likely to cause explosive eruption?
The silicate compounds are more viscous and hold gases and water under pressure, and the gases and steam expand violently once the lava reaches the surface. Less silica means that some of these gases will bubble out before reaching critical pressure.
Why is silica rich magma explosive?
This is because silica-rich magma is thicker. The thicker the magma, the chance for the dissolved gas in there to escape is less likely. This causes an explosion. When the gases do escape, they cause an even bigger explosion
Why is magma that contains little silica less to erupt explosively?
Magma with less silica is thinner and runnier.Therfore, gases can move out of the magma easily.
Does gabbro have a higher silica content than granite?
Gabbro has less silica than granite.
Does less silica equal greater viscosity?
No. Higher silica magmas tend to be more viscous.
Changing the shingles on the roof of a house to a lighter color will most likely reduce the amount of solar energy that is?
Absorbed. Lighter colors reflect more solar energy away, and the lighter roof absorbs less heat.
How much silica does mafic lava have?
Less than 45%
Why is there less silica in ocean water than river and ground water?
almost no silica in ocean water but most of its the earths crust.
