Topic: Viscous Lava
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What are viscous lava domes?
I don't know about viscous, but a lava dome is a steep-sided dome of thick lava extruding from a volcanic vent. a viscous lava dome is when the lava from the volcano contains alot of silica. Viscous=sticky. So the lava cools quickly of the ... Read More »
Source: http://wiki.answers.com/Q/What+makes+lava+really+viscous
What is viscous lava?
Viscous lava is lava that is thick. For example a cinder cone or composite cone's lava is viscous. Because it cools faster than it moves, a composite cone has steeper flanks. On the other hand a shield volcano's lava is very low in silica, ... Read More »
Source: http://wiki.answers.com/Q/What_forms_when_viscous_lava_pours_out_...
Which type of lava is the most viscous?
Which type is the least viscous Answer: Pahoehoe lavas are the least viscous of common lava types, and thus... ...MORE... Read More »
Source: http://www.chacha.com/question/which-type-of-lava-is-the-most-vis...
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Viscous Lava
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Answers to Other Common Questions
From thickest to thinnest: lava, tar, honey, then water.
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Source: http://wiki.answers.com/Q/Which_is_more_viscous_honey_tar_water_o...
viscous = sticky, so slow moving acid lava is more viscous than runny basic lava
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Source: http://wiki.answers.com/Q/Ehat+is+fast+moving+hoy+lava
Slow lava is more viscous.
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Source: http://wiki.answers.com/Q/Which_lava_is_more_viscous_runny_lava_o...
"...Viscosity of Magmas Viscosity is the resistance to flow (opposite of fluidity). Viscosity depends on primarily on the composition of the magma, and temperature. Higher SiO2 (silica) content magmas have higher viscosity than lower SiO2 c...
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Source: http://answers.yahoo.com/question/index?qid=20110509221858AASZ9cD
cinder cones and composite cones = high viscosity shield cones=low viscosity calderas are just where a volcano collapses into its own magma chamber. most common examples would have higher viscosity lavas though.
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Source: http://answers.yahoo.com/question/index?qid=20101122210945AAhfoLp
(B) Felsic / granitic. Felsic magma is rich in silica (SiO2). In magma, silicon attaches to four oxygen atoms to form silicon tetrahedra. Then these tetrahedra grab onto each other in long changes. This creates what is called "internal fric...
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Source: http://answers.yahoo.com/question/index?qid=20100819160320AA1m4TP
