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I do not know specifically but it is fairly high in silica making it rather viscous and good for trapping/holding gas. Dactic magmas can be either exlposive volcanic events or just be mild lava flow depending on the amount of trapped gas.
Dactic sits between Rhyolitic and Andisitic in compostion. Rhyolitic is highest in viscosity have the most Silica then Dactic, andesitic then basaltic having the least silica.
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∙ 12y ago
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How are Pillow Lava and Pahoehoe lava the same?
Both pillow lava and pahoehoe lava have about the same composition and harden into a kind of rock called basalt.
What is the lava composition of the abu volcano?
there is a type and its lave
What type of lava is considered intermediate composition?
andesite
Whats the composition of lava for Mt Pelee?
Mount Pelee is an active volcano in the West Indies. Its magma composition is andesitic, having a cone that is composed of layers of hardened lava.
Does mt st Helens have pahoehoe or AA lava?
Niether. Pahoehoe and a'a are both varieties of basaltic lava. The material from Pinatobo is of a dacitic composition, which is much more viscous than a'a or pahoehoe. It tends to erupt explosively, producing ash and pumice rather than lava flows. When dacitic lava does flow it creates a block lava flow.
What is the lava composition for surtsey?
The magma and lava of Surtsey has a composition of alkali Olivine Basalt.
What is the composition of a lava dome?
Lava domes are generally composed of felsic, highly viscous lava, usually dacite or rhyolite.
How are Pillow Lava and Pahoehoe lava the same?
Both pillow lava and pahoehoe lava have about the same composition and harden into a kind of rock called basalt.
What is the lava composition of the abu volcano?
there is a type and its lave
What type of lava is considered intermediate composition?
andesite
Whats the composition of lava for Mt Pelee?
Mount Pelee is an active volcano in the West Indies. Its magma composition is andesitic, having a cone that is composed of layers of hardened lava.
What rock form from cooling lava?
Lava will cool to form extrusive igneous rock. The exact type would depend on the composition of the lava.
What rock forms from lava that cools?
Lava will cool to form extrusive igneous rock. The exact type would depend on the composition of the lava.
What 3 factors affect the formation of lava?
Composition, heat, and pressure.
What determines the color of a igneous rock?
The composition of the magma or lava that it cools from.
What type of lava does the composite volcano has?
It varies in composition, but is usually andesite, dacite, or rhyolite.
Does mt st Helens have pahoehoe or AA lava?
Niether. Pahoehoe and a'a are both varieties of basaltic lava. The material from Pinatobo is of a dacitic composition, which is much more viscous than a'a or pahoehoe. It tends to erupt explosively, producing ash and pumice rather than lava flows. When dacitic lava does flow it creates a block lava flow.
