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What color will igneous rocks be if they are low in silica?
brown
What is a dark colored low silica rock?
Mafic igneous rocks, like basalt, are dark colored and low in silica.
What is a dark-colored low silica rock?
Mafic igneous rocks, like basalt, are dark colored and low in silica.
Are ingneous rocks low in silica?
it can be either low or high depending on source.
How does silica content affect igenous rocks?
It determines high silica or low silica. It will determine if it is sticky or not, or if it flows fast or slow. *high in silica~Sticky, and slow. Will not flow easily. *low in silica~Fact, not sticky. Will flow easily.
Low silica magma forms rocks like?
it forms Basalt.
Why do obsidian rocks look dark?
because an obsidian rock has low silica
Are dark colored igneous rocks low in silicate minerals?
They are not low in silicate minerals. They are still primarily composed of them. However, the amount of silica in them is lower than in the lighter-colored rocks. The lightest igneous rocks (felsic) are at least 70% silica while the dark ones (mafic) are between 45% and 52% silica. Silica content below 45% is deemed ultramafic.
Lava that is low in silica tends to?
Lava that is low in silica tends to have lighter rocks come out of it.
What is the term used to describe igneous rocks or magma rich in Fe-Mg content and low in silica?
Low silica defines BASALTIC rocks. Iron rich is defined by FERROUS. Not sure about Mg though. Mineral rich is a good one...
What type of lava does Hekla in Iceland have?
Basic, or low-silica. It's essentially basalt.
What are the main magma rocks?
Felsic, high in silica. Mafic, low in silica. Intrusive, those formed underground. Extrusive, those formed above ground.
