Take it form a Rhyolite and a basalt comparison. basalt takes 45-55% of Si02 on its weight, while Rhyolite is at 65%-75%. It is said that there is a direct relationship between concentration of Si02 and viscosity. What is the implication of this? A. Rhyolite takes slower time to cool down making the rock more brittle and grainier in texture B. Rhylite cant barely reach the surface thus crystalizes inside the volcano C. rhyolite is rich in silica and that is why its neer to light colors D. rhyolite spewed by volcano as lava has longer time to cool down, preserves the silica content and turns out felsic
Take it form a Rhyolite and a basalt comparison. basalt takes 45-55% of Si02 on its weight, while Rhyolite is at 65%-75%. It is said that there is a direct relationship between concentration of Si02 and viscosity. What is the implication of this? A. Rhyolite takes slower time to cool down making the rock more brittle and grainier in texture B. Rhylite cant barely reach the surface thus crystalizes inside the volcano C. rhyolite is rich in silica and that is why its neer to light colors D. rhyolite spewed by volcano as lava has longer time to cool down, preserves the silica content and turns out felsic
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Question
Take it form a Rhyolite and a basalt comparison. basalt takes 45-55% of Si02 on its weight, while Rhyolite is at 65%-75%. It is said that there is a direct relationship between concentration of Si02 and viscosity. What is the implication of this?
A. Rhyolite takes slower time to cool down making the rock more brittle and grainier in texture
B. Rhylite cant barely reach the surface thus crystalizes inside the volcano
C. rhyolite is rich in silica and that is why its neer to light colors
D. rhyolite spewed by volcano as lava has longer time to cool down, preserves the silica content and turns out felsic
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